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General Standards for Commercial Steels

JIS Standard

Rolled Steel for General Structure JIS G3101 (2004) Chemical composition Class symbol SS 330 SS 400 SS 490 SS 540 0.30 1.60 0.040 0.040 Remark: Alloy elements other than shown in the above Table may be added as required. Piano Wire Rods JIS G3502 (2004) Chemical composition Class symbol SWRS 62A SWRS 62B SWRS 67A SWRS 67B SWRS 72A SWRS 72B SWRS 75A SWRS 75B SWRS 77A SWRS 77B SWRS 80A SWRS 80B SWRS 82A SWRS 82B SWRS 87A SWRS 87B SWRS 92A SWRS 92B Chemical composition % max C 0.60 ~ 0.65 0.60 ~ 0.65 0.65 ~ 0.70 0.65 ~ 0.70 0.70 ~ 0.75 0.70 ~ 0.75 0.73 ~ 0.78 0.73 ~ 0.78 0.75 ~ 0.80 0.75 ~ 0.80 0.78 ~ 0.83 0.78 ~ 0.83 0.80 ~ 0.85 0.80 ~ 0.85 0.85 ~ 0.90 0.85 ~ 0.90 0.90 ~ 0.95 0.90 ~ 0.95 Si 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 0.12 ~ 0.32 Mn 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 P max. 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 S max. 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 Cu max. 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.050 0.050 Chemical composition % max. C Mn P S

Low Carbon Steel Wire Rods JIS G 3505 (2004) Chemical composition Class symbol Chemical composition % max

C SWRM 2 SWRM 4 SWRM 6 SWRM 8 SWRM 10 SWRM 12 SWRM 15 SWRM 17 SWRM 20 SWRM 22 0.04 max. 0.06 max. 0.08 max. 0.10 max. 0.08 ~ 0.13 0.10 ~ 0.15 0.13 ~ 0.18 0.15 ~ 0.20 0.18 ~ 0.23 0.20 ~ 0.25

Mn 0.60 max. 0.60 max. 0.60 max. 0.60 max. 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60

P max. 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040

S max. 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040

Remark: If killed steel is specified, the letter K shall be suffixed to the end of the class symbol. Example: SWRM 10K As for SWRM2 and SWRM4, killed steel may be specified by agreement between the purchaser and the manufacturer. High Carbon Steel Wire Rods JIS G 3506 (2004) Chemical composition Class symbol SWRH 27 SWRH 32 SWRH 37 SWRH 42A SWRH 42B SWRH 47A SWRH 47B SWRH 52A SWRH 52B SWRH 57A SWRH 57B SWRH 62A SWRH 62B SWRH 67A SWRH 67B SWRH 72A SWRH 72B SWRH 77A SWRH 77B Chemical composition % max C 0.24 ~ 0.31 0.29 ~ 0.36 0.34 ~ 0.41 0.39 ~ 0.46 0.39 ~ 0.46 0.44 ~ 0.51 0.44 ~ 0.51 0.49 ~ 0.56 0.49 ~ 0.56 0.54 ~ 0.61 0.54 ~ 0.61 0.59 ~ 0.66 0.59 ~ 0.66 0.64 ~ 0.71 0.64 ~ 0.71 0.69 ~ 0.76 0.69 ~ 0.76 0.74 ~ 0.81 0.74 ~ 0.81 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Mn 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 P max. 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 S max. 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030

SWRCH 15K SWRCH 16K SWRCH 17K SWRCH 18K SWRCH 20K SWRCH 22K SWRCH 24K SWRCH 25K SWRCH 27K SWRCH 30K SWRCH 33K SWRCH 35K SWRCH 38K SWRCH 40K SWRCH 41K SWRCH 43K SWRCH 45K SWRCH 48K SWRCH 50K

0.13 ~ 0.18 0.13 ~ 0.,P8 0.15 ~ 0.20 0. 15 ~ 0.20 0.18 ~ 0.23 0.18 ~ 0.23 0.19 ~ 0.25 0.22 ~ 0.28 0.22 ~ 0.29 0.27 ~ 0.33 0.30 ~ 0.36 0.32 ~ 0.38 0.35 ~ 0.41 0.37 ~ 0.43 0.36 ~ 0.44 0.40 ~ 0.46 0.42 ~ 0.48 0.45 ~ 0.51 0.47 ~ 0.53

0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35 0.10 ~ 0.35

0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.70 ~ 1.00 1.35 ~ 1.65 0.30 ~ 0.60 1.20 ~ 1.50 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 1.35 ~ 1.65 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90

0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030

0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035

-

Remarks: Cr shall not exceed 0.20%. And as impurities, Cu and Ni shall not exceed respectively 0.30% and 0.20%. Carbon Steels for Machine Structural Use JIS G 4051 (2005) Chemical composition Class symbol S10C Chemical composition % max C 0.08 ~ 0.13 Si 0.15 ~ 0.35 Mn 0.30 ~ 0.60 P max. 0.030 S max. 0.035

S12C S15C S17C S20C S22C S25C S28C S30C S33C S35C S38C S40C S43C S45C S48C S50C S53C S55C S58C S09CK S15CK S20CK

0.10 ~ 0.15 0.13 ~ 0.18 0.15 ~ 0.20 0.18 ~ 0.23 0.20 ~ 0.25 0.22 ~ 0.28 0.25 ~ 0.31 0.27 ~ 0.33 0.30 ~ 0.36 0.32 ~ 0.38 0.35 ~ 0.41 0.37 ~ 0.43 0.40 ~ 0.46 0.42 ~ 0.48 0.45 ~ 0.51 0.47 ~ 0.53 0.50 ~ 0.56 0.52 ~ 0.58 0.55 ~ 0.61 0.07 ~ 0.12 0.13 ~ 0.18 0.18 ~ 0.23

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.10 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60

0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.025 0.025 0.025

0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.025 0.025 0.025

Remarks: 1. Cr shall not exceed 0.20%. But Cr shall be under 0.30%, when agreed upon between the manufacturer and the purchaser. 2. As impurities, Cu, Ni, and Ni + Cr for Classes S 09 CK, S 15 CK and S 20 CK shall not exceed respectively 0.25%, 0.20%, and 0.30%, and Cu, Ni, and Ni + Cr for all the other classes shall not exceed respectively 0.30%, 0.20%, and 0.35%. Ni + Cr for classes S 09 CK, S 15 CK and S 20 CK shall be under 0.40%, and Ni + Cr for all the other classes shall be under 0.45%. 3. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 3 specified in JIS G 0321 (Product Analysis and its Tolerance for Wrought Steel.) Structural Steels with Specified Harden ability Bands JIS G 4052 (2003) Chemical composition Class symbol SMn 420H SMn 433H SMn 438H Chemical composition % C 0.16 ~ 0.23 0.29 ~ 0.36 0.34 ~ Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ Mn 1.15 ~ 1.55 1.15 ~ 1.55 1.30 ~ P max S max Ni Cr Mo

0.030 0.030 max 0.25 max 0.35 0.030 0.030 max 0.25 max 0.35 0.030 0.030 max 0.25 max 0.35 -

0.41 SMn 443H SMnC 420H SMnC 443H SCr 415H SCr 420H SCr 430H SCr 435H SCr 440H SCM 415H SCM 418H SCM 420H SCM 425H SCM 435H SCM 440H SCM 445H SCM 822H SNC 415H SNC 631H SNC 815H SNCM 220H SNCM 420H 0.39 ~ 0.46 0.16 ~ 0.23 0.39 ~ 0.46 0.12 ~ 0.18 0.17 ~ 0.23 0.27 ~ 0.34 0.32 ~ 0.39 0.37 ~ 0.44 0.12 ~ 0.18 0.15 ~ 0.21 0.17 ~ 0.23 0.23 ~ 0.28 0.32 ~ 0.39 0.37 ~ 0.44 0.42 ~ 0.49 0.19 ~ 0.25 0.11 ~ 0.18 0.26 ~ 0.35 0.11 ~ 0.18 0.17 ~ 0.23 0.17 ~ 0.23

0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

1.70 1.30 ~ 1.70 1.15 ~ 1.55 1.30 ~ 1.70 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.55 ~ 0.95 0.30 ~ 0.70 0.30 ~ 0.70 0.30 ~ 0.70 0.60 ~ 0.95 0.40 ~ 0.70 0.030 0.030 max 0.25 max 0.35 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 max 0.25 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 1.95 ~ 2.50 2.45 ~ 3.00 2.95 ~ 3.50 0.35 ~ 0.75 1.55 ~ 2.00 0.35 ~ 0.70 0.35 ~ 0.70 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.85 ~ 1.25 0.20 ~ 0.55 0.55 ~ 1.05 0.65 ~ 1.05 0.35 ~ 0.65 0.35 ~ 0.65 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.35 ~ 0.45 0.15 ~ 0.30 0.15 ~ 0.30

Remarks: 1. As impurities, Cu shall not exceed 0.30 % for all the classes. 2. As impurities, Ni shall not exceed 0.25 % excepting nickel chromium steel and nickel chromium molybdenum steel. 3. Cr in manganese steel shall not exceed 0.35 %.

4. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 4 specified in JIS G 0321 (Product Analysis and its Tolerance for Wrought Steel.). Low-alloyed Steels for Machine Structural Use JIS G4053 (2003) Nickel Chromium Molybdenum Steels Chemical composition Class symbol SNCM 220 SNCM 240 SNCM 415 SNCM 420 SNCM 431 SNCM 439 SNCM 447 SNCM 616 SNCM 625 SNCM 630 SNCM 815 Chemical composition % C 0.17 ~ 0.23 0.38 ~ 0.43 0.12 ~ 0.18 0.17 ~ 0.23 0.27 ~ 0.35 0.36 ~ 0.43 0.44 ~ 0.50 0.13 ~ 0.20 0.20 ~ 0.30 0.25 ~ 0.35 0.12 ~ 0.18 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Mn 0.60 ~ 0.90 0.70 ~ 1.00 0.40 ~ 0.70 0.40 ~ 0.70 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.80 ~ 1.20 0.35 ~ 0.60 0.35 ~ 0.60 0.30 ~ 0.60 P max. 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 S max. 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 Ni 0.40 ~ 0.70 0.40 ~ 0.70 1.60 ~ 2.00 1.60 ~ 2.00 1.60 ~ 2.00 1.60 ~ 2.00 1.60 ~ 2.00 2.80 ~ 3.20 3.00 ~ 3.50 2.50 ~ 3.50 4.00 ~ 4.50 Cr 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 1.40 ~ 1.80 1.00 ~ 1.50 2.50 ~ 3.50 0.70 ~ 1.00 Mo 0.15 ~ 0.25 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.15 ~ 0.30 0.40 ~ 0.60 0.15 ~ 0.30 0.30 ~ 0.70 0.15 ~ 0.30

Remarks: 1. As impurities, Cu shall not exceed 0.30 % for all the classes. 2. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 4 specified in JIS G 0321(Product Analysis and its Tolerance for Wrought Steel.). Low-alloyed Steels for Machine Structural Use JIS G4053 (2003) Chromium Steels Chemical composition Class symbol SCr 415 SCr 420 SCr 430 SCr 435 SCr 440 Chemical composition % C 0.13 ~ 0.18 0.18 ~ 0.23 0.28 ~ 0.33 0.33 ~ 0.38 0.38 ~ 0.43 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Mn 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 0.60 ~ 0.90 P max. 0.030 0.030 0.030 0.030 0.030 S max. 0.030 0.030 0.030 0.030 0.030 Cr 0.90 ~ 1.20 0.90 ~ 1.20 0.90 ~ 1.20 0.90 ~ 1.20 0.90 ~ 1.20

SCr 445

0.43 ~ 0.48

0.15 ~ 0.35

0.60 ~ 0.90

0.030

0.030

0.90 ~ 1.20

Remark: 1. As impurities, Ni and Cu shall not exceed 0.25 % and 0.30 %, respectively, for all the classes. 2. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 4 specified in JIS G 0321 (Product Analysis and its Tolerance for Wrought Steel). Low-alloyed Steels for Machine Structural Use JIS G4053 (2003) Chromium Molybdenum Steels Chemical composition Class symbol SCM 415 SCM 418 SCM 420 SCM 421 SCM 425 SCM 430 SCM 432 SCM 435 SCM 440 SCM 445 SCM 822 Chemical composition % C Si Mn P max. S max. Cr 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 Mo

0.13 ~ 0.18 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.16 ~ 0.21 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.18 ~ 0.23 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.17 ~ 0.23 0.15 ~ 0.35 0.70 ~ 1.00 0.030 0.23 ~ 0.28 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.28 ~ 0.33 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.27 ~ 0.37 0.15 ~ 0.35 0.30 ~ 0.60 0.030 0.33 ~ 0.38 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.38 ~ 0.43 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.43 ~ 0.48 0.15 ~ 0.35 0.60 ~ 0.90 0.030 0.20 ~ 0.25 0.15 ~ 0.35 0.60 ~ 0.90 0.030

0.90 ~ 1.20 0.15 ~ 0.25 0.90 ~ 1.20 0.15 ~ 0.25 0.90 ~ 1.20 0.15 ~ 0.25 0.90 ~ 1.20 0.15 ~ 0.25 0.90 ~ 1.20 0.15 ~ 0.30 0.90 ~ 1.20 0.15 ~ 0.30 1.00 ~ 1.50 0.15 ~ 0.30 0.90 ~ 1.20 0.15 ~ 0.30 0.90 ~ 1.20 0.15 ~ 0.30 0.90 ~ 1.20 0.15 ~ 0.30 0.90 ~ 1.20 0.35 ~ 0.45

Remarks: 1. As impurities, Ni and Cu shall not exceed 0.25 % and 0.30 %, respectively, for all the classes. 2. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 4 specified in JIS G 0321(Product Analysis and its Tolerance for Wrought Steel). Low-alloyed Steels for Machine Structural Use JIS G4053 (2003) Manganese Steels and Manganese Chromium Steels Chemical composition Chemical composition % Class symbol C SMn 420 SMn 433 SMn 438 SMn 443 SMnC 420 SMnC 443 0.17 ~ 0.23 0.30 ~ 0.36 0.35 ~ 0.41 0.40 ~ 0.46 0.17 ~ 0.23 0.40 ~ 0.46 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Mn 1.20 ~ 1.50 1.20 ~ 1.50 1.35 ~ 1.65 1.35 ~ 1.65 1.20 ~ 1.50 1.35 ~ 1.65 P max. 0.030 0.030 0.030 0.030 0.030 0.030 S max. 0.030 0.030 0.030 0.030 0.030 0.030 Cr max. 0.35 max. 0.35 max. 0.35 max. 0.35 0.35 ~ 0.70 0.35 ~

0.70 Remark: 1. As impurities, Ni and Cu shall not exceed 0.25 % and 0.30 %, respectively, for all the classes. 2. When the product analysis on steel is requested by the purchaser, the tolerance for the product analysis shall conform to Table 4 specified in JIS G 0321(Product Analysis and its Tolerance for Wrought Steel). Alloy Steel Bolting Materials for High Temperature Service JIS G 4107 (1994) Chemical composition Class Class symbol SNB 5 SNB 7 SNB 16 Chemical composition % max C 0.10 min. 0.38 ~ 0.48 0.36 ~ 0.44 Si 1.00 max. 0.20 ~ 0.35 0.20 ~ 0.35 Mn 1.00 max. 0.75 ~ 1.00 0.45 ~ 0.70 P max. S max. Cr 4.00 ~ 6.00 0.80 ~ 1.10 0.80 ~ 1.15 Mo 0.40 ~ 0.65 0.15 ~ 0.25 0.50 ~ 0.65 V 0.25 ~ 0.35

1 2 3

0.040 0.030 0.040 0.040 0.040 0.040

Remark: When the diameter of bolting materials exceeds 90 mm, the carbon content of Class 2 may be 0.50 % in upper limit. Stainless Steel Bars JIS G 4303 (2005) Chemical composition for austenitic bars Class symbol SUS201 Chemical composition % C 0.15 max. 0.15 max. 0.15 max. 0.15 max. 0.15 max. 0.15 max. 0.15 max. 0.08 max. Si Mn P S Ni Cr Mo Cu N Others

16.00 1.00 5.50 ~ 0.060 0.030 3.50 ~ ~ max. 7.50 max. max. 5.50 18.00 17.00 1.00 7.50 ~ 0.060 0.030 4.00 ~ ~ max. 10.00 max. max. 6.00 19.00 1.00 2.00 max. max. 1.00 2.00 max. max. 1.00 2.00 max. max. 1.00 2.00 max. max. 1.00 3.00 max. max. 1.00 2.00 max. max. 16.00 0.045 0.030 6.00 ~ ~ max. max. 8.00 18.00 17.00 0.045 0.030 8.00 ~ ~ max. max. 10.00 19.00 0.20 max. 0.20 max. 0.20 max. 0.15 min. 0.06 max. 0.15 min. 17.00 8.00 ~ (1) ~ 10.00 19.00 17.00 8.00 ~ ~ 10.00 19.00 17.00 8.00 ~ (1) ~ 10.00 19.00

0.25 max. 0.25 max.

SUS202

-

SUS301

-

-

-

SUS302

-

-

-

SUS303

-

-

-

SUS303Se

-

-

Se 015 min.

SUS303Cu

1.50 ~ 3.50 -

-

SUS304

18.00 0.045 0.030 8.00 ~ ~ max. max. 10.50 20.00

-

SUS304L

0.030 1.00 2.00 max. max. max. 0.08 max. 0.08 max. 1.00 2.50 max. max. 1.00 2.50 max. max.

18.00 0.045 0.030 9.00 ~ ~ max. max. 13.00 20.00 18.00 0.045 0.030 7.00 ~ ~ max. max. 10.50 20.00 18.00 0.045 0.030 7.50 ~ ~ max. max. 10.50 20.00 17.00 0.045 0.030 8.50 ~ ~ max. max. 11.50 19.00 17.00 0.045 0.030 8.00 ~ ~ max. max. 10.50 19.00 10.50 17.00 0.045 0.030 ~ ~ max. max. 13.00 19.00 12.00 22.00 0.045 0.030 ~ ~ max. max. 15.00 24.00 19.00 24.00 0.045 0.030 ~ ~ max. max. 22.00 26.00

-

0.10 ~ 0.25 0.15 ~ 0.30 0.12 ~ 0.22

-

SUS304N1

-

Nb 0.15 max. -

SUS304N2

-

SUS304LN

0.030 1.00 2.00 max. max. max. 0.08 max. 0.12 max. 0.08 max. 0.08 max. 0.02 max. 0.08 max. 1.00 2.00 max. max. 1.00 2.00 max. max. 1.00 2.00 max. max. 1.50 2.00 max. max. 0.80 1.00 max. max. 1.00 2.00 max. max.

-

SUS304J3

1.00 ~ 3.00 -

-

SUS305

-

SUS309S

-

-

-

SUS310S

-

-

-

SUS312L

17.50 19.00 6.00 0.50 0.16 0.030 0.015 ~ ~ ~ ~ ~ max. max. 19.50 21.00 7.00 1.00 0.25 10.00 16.00 2.00 0.045 0.030 ~ ~ ~ max. max. 14.00 18.00 3.00 12.00 16.00 2.00 0.045 0.030 ~ ~ ~ max. max. 15.00 18.00 3.00 10.00 16.00 2.00 0.045 0.030 ~ ~ ~ max. max. 14.00 18.00 3.00 10.50 16.50 2.00 0.045 0.030 ~ ~ ~ max. max. 14.50 18.50 3.00 10.00 16.00 2.00 0.045 0.030 ~ ~ ~ max. max. 14.00 18.00 3.00 -

-

SUS316

-

SUS316L

0.030 1.00 2.00 max. max. max. 0.08 max. 1.00 2.00 max. max.

0.10 ~ 0.22 0.12 ~ 0.22 -

-

SUS316N

-

SUS316LN

0.030 1.00 2.00 max. max. max. 0.08 max. 0.08 max. 1.00 2.00 max. max. 1.00 2.00 max. max.

Ti 5 × C% min. -

SUS316Ti

SUS316J1

10.00 17.00 1.20 1.00 0.045 0.030 ~ ~ ~ ~ max. max. 14.00 19.00 2.75 2.50 12.00 17.00 1.20 1.00 0.045 0.030 ~ ~ ~ ~ max. max. 16.00 19.00 2.75 2.50 0.045 0.10 10.00 16.00 2.00 -

SUS316J1L SUS316F

0.030 1.00 2.00 max. max. max. 0.08 1.00 2.00

-

max.

max. max.

max.

min.

~ ~ ~ 14.00 10.00 3.00 -

SUS317

0.08 max.

1.00 2.00 max. max.

11.00 18.00 3.00 0.045 0.030 ~ ~ ~ max. max. 15.00 20.00 4.00 11.00 18.00 3.00 0.045 0.030 ~ ~ ~ max. max. 15.00 20.00 4.00 11.00 10.00 3.00 0.045 0.030 ~ ~ ~ max. max. 15.00 20.00 4.00 15.00 16.00 4.00 0.045 0.030 ~ ~ ~ max. max. 17.00 19.00 6.00 24.00 19.00 5.00 0.045 0.030 ~ ~ ~ max. max. 26.00 24.00 7.00

SUS317L

0.030 1.00 2.00 max. max. max. 0.030 1.00 2.00 max. max. max. 0.040 1.00 2.50 max. max. max. 0.030 1.00 2.00 max. max. max. 0.020 1.00 2.00 max. max. max. 0.08 max. 0.08 max. 0.08 max. 0.08 max. 1.00 2.00 max. max. 1.00 2.00 max. max. 1.00 2.00 max. max. 3.00 ~ 5.00 2.00 max.

-

-

SUS317LN

0. 10 ~ 0.22 -

SUS317J1

SUS836L

0.25 max.

SUS890L

23.00 19.00 4.00 1.00 0.045 0.030 ~ ~ ~ ~ max. max. 28.00 23.00 5.00 2.00 17.00 0.045 0.030 9.00 ~ ~ max. max. 13.00 19.00 17.00 0.045 0.030 9.00 ~ ~ max. max. 13.00 19.00 17.00 0.045 0.030 8.50 ~ ~ max. max. 10.50 19.00 11.50 15.00 0.045 0.030 ~ ~ max. max. 15.00 20.00 -

Ti 5 × C% min. Nb 10 × C% min. -

SUS321

SUS347

-

-

SUSXM7

3.00 ~ 4.00 -

SUSXM15J1

-

Note: (1) 0.60% or less of Mo may be added. Remark: To SUS XM 15JI, alloying elements other than those in the above table may be added as required. Chemical composition for austenitic-ferritic bars Class symbol SUS329J1 SUS329J3L SUS329J4L Chemical composition % max C 0.08 max. 0.030 max. 0.030 max. Si 1.00 max. 1.00 max. 1.00 max. Mn 1.50 max. 2.00 max. 1.50 max. P 0.040 max. 0.040 max. 0.040 max. S 0.030 max. 0.030 max. 0.030 max. Ni 3.00 ~ 6.00 4.50 ~ 6.50 5.50 ~ 7.50 Cr 23.00 ~ 28.00 21.00 ~ 24.00 24.00 ~ 26.00 Mo 1.00 ~ 3.00 2.50 ~ 3.50 2.50 ~ 3.50 N 0.08 ~ 0.20 0.08 ~ 0.30

Remark: Alloying elements other than those in the above table may be added as required. Chemical composition for ferritic bars Class symbol Chemical composition % max C Si Mn P S Cr Mo N Al

SUS405 SUS410L SUS430 SUS430F SUS434 SUS447J1 SUSXM27

0.08 max. 0.030 max. 0.12 max. 0.12 max. 0.12 max. 0.010 max. 0.010 max.

1.00 max. 1.00 max. 0.75 max. 1.00 max. 1.00 max. 0.40 max. 0.40 max.

1.00 max. 1.00 max. 1.00 max. 1.25 max. 1.00 max. 0.40 max. 0.40 max.

0.040 max. 0.040 max. 0.040 max. 0.060 max. 0.040 max. 0.030 max. 0.030 max.

0.030 max. 0.030 max. 0.030 max. 0.15 min. 0.030 max. 0.020 max. 0.020 max.

11.50 ~ 14.50 11.00 ~ 13.50 16.00 ~ 18.00 16.00 ~ 18.00 16.00 ~ 18.00 28.50 ~ 32.00 25.00 ~ 27.50

(1) 0.75 ~ 1.25 1.50 ~ 2.50 0.75 ~ 1.50

0.015 max. 0.015 max.

0.10 ~ 0.30 -

Note: (1) 0.60% or less of Mo may be added. Remark: 1. Each grade other than SUS 447J1 and SUS XM27 may contain 0.60 % or less of Ni. 2. SUS 447J1 and SUS XM27 may contain 0.50% or less of Ni, 0.20% or less of Cu and 0.50% or less of Ni + Cu, and as required, may be added alloying elements other than those in the above table. Chemical composition for martens tic bars Class symbol SUS403 SUS410 SUS410J1 SUS410F2 SUS416 SUS420J1 SUS420J2 SUS420F SUS420F2 SUS431 SUS440A SUS440B Chemical composition % max C 0.15 max. 0.15 max. 0.08 ~ 0.18 0.15 max. 0.15 max. Si 0.50 max. 1.00 max. 0.60 max. 1.00 max. 1.00 max. Mn 1.00 max. 1.00 max. 1.00 max. 1.00 max. 1.25 max. 1.00 max. 1.00 max. 1.25 max. 1.00 max. 1.00 max. 1.00 max. 1.00 max. P 0.040 max. 0.040 max. 0.040 max. 0.040 max. 0.060 max. 0.040 max. 0.040 max. 0.060 max. 0.040 max. 0.040 max. 0.040 max. 0.040 max. S 0.030 max. 0.030 max. 0.030 max. 0.030 max. Ni (2) (2) (2) (2) Cr 11.50 ~ 13.00 11.50 ~ 13.50 11.50 ~ 14.00 11.50 ~ 13.50 12.00 ~ 14.00 12.00 ~ 14.00 12.00 ~ 14.00 12.00 ~ 14.00 12.00 ~ 14.00 15.00 ~ 17.00 16.00 ~ 18.00 16.00 ~ 18.00 Mo 0.30 ~ 0.60 (1) (1) (3) (3) Pb 0.05 ~ 0.30 0.05 ~ 0.30 -

0.15 min. (2) 0.030 max. 0.030 max. (2) (2)

0. 16 ~ 1.00 0.25 max. 0.26 ~ 0.40 0.26 ~ 0.40 0.26 ~ 0.40 0.20 max. 0.60 ~ 0.75 0.75 ~ 0.95 1.00 max. 1.00 max. 1.00 max. 1.00 max. 1.00 max. 1.00 max.

0.15mim. (2) 0.030 max. 0.030 max. 0.030 max. 0.030 max. (2) 1.25 ~ 2.50 (2) (2)

SUS440C SUS440F

0.95 ~ 1.20 0.95 ~ 1.20

1.00 max. 1.00 max.

1.00 max. 1.25 max.

0.040 max. 0.060 max.

0.030 max.

(2)

16.00 ~ 18.00 16.00 ~ 18.00

(3) (3)

-

0.15 min. (2)

Note: (1) 0.60% or less of Mo may be added. (2) 0.60% or less of Ni may be contained. (3) 0.75% or less of Mo may be added. Chemical composition for precipitation hardening bars Class symbol SUS630 SUS631 Chemical composition % max C 0.07 max. 0.09 max. Si 1.00 max. 1.00 max. Mn 1.00 max. 1.00 max. P 0.040 max. 0.040 max. S 0.030 max. 0.030 max. Ni 3.00 ~ 5.00 6.50 ~ 7.75 Cr 15.00 ~ 17.50 16.00 ~ 18.00 Cu 3.00 ~ 5.00 Others Nb 0.15 ~ 0.45 Al 0.75 ~ 1.50

Free Cutting Carbon Steels JIS G 4804 (1999) Chemical composition Class symbol SUM 11 SUM 12 SUM 21 SUM 22 SUM 22L SUM 23 SUM 23 L SUM 24L SUM 25 SUM 31 SUM 31L SUM 32 SUM 41 SUM 42 SUM 43 Chemical composition % max C 0.08 ~ 0.13 0.08 ~ 0.13 0.13 max. 0.13 max. 0.13 max. 0.09 max. 0.09 max. 0.15 max. 0.15 max. 0.14 ~ 0.20 0.14 ~ 0.20 0.12 ~ 0.20 0.32 ~ 0.39 0.37 ~ 0.45 0.40 ~ 0.48 Mn 0.30 ~ 0.60 0.60 ~ 0.90 0.70 ~ 1.00 0.70 ~ 1.00 0.70 ~ 1.00 0.75 ~ 1.05 0.75 ~ 1.05 0.85 ~ 1.15 0.90 ~ 1.40 1.00 ~ 1.30 1.00 ~ 1.30 0.60 ~ 1.10 1.35 ~ 1.65 1.35 ~ 1.65 1.35 ~ 1.65 P 0.040 max. 0.040 max. 0.07 ~ 0.12 0.07 ~ 0.12 0.07 ~ 0.12 0.04 ~ 0.09 0.04 ~ 0.09 0.04 ~ 0.09 0.07 ~ 0.12 0.040 max. 0.040 max. 0.040 max. 0.040 max. 0.040 max. 0.040 max. S 0.08 ~ 0.13 0.08 ~ 0.13 0.16 ~ 0.23 0.24 ~ 0.33 0.24 ~ 0.33 0.26 ~ 0.35 0.26 ~ 0.35 0.26 ~ 0.35 0.30 ~ 0.40 0.08 ~ 0.13 0.08 ~ 0.13 0.10 ~ 0.20 0.08 ~ 0.13 0.08 ~ 0.13 0.24 ~ 0.33 Pb 0.1 ~ 0.35 0.1 ~ 0.35 0.1 ~ 0.35 0.1 ~ 0.35 -

Remark: 1. The Si content shall not be specified. By agreement between the purchaser and the manufacturer, such range of limiting values as 0.10% or less, 0.10 to 0.20%, or 0.15 to 0.35 may be selected to apply, as required. 2. In reporting the lead content, it may be expressed by the range of 0.10 to 0.35%. When a product analysis of lead is carried out on the lead-including steel, the tolerance shall be 0.03% over the upper limit value or under the lower limit value. High Carbon Chromium Bearing Steels JIS G 4805 (1999) Chemical composition Class symbol Chemical composition % max

C SUJ 1 SUJ 2 SUJ 3 SUJ 4 SUJ 5

Si

Mn

P max. S max. Cr 0.025 0.025 0.025 0.025 0.025 0.025 0.025

Mo

0.95 ~ 1.10 0.15 ~ 0.35 0.50 max. 0.95 ~ 1.10 0.15 ~ 0.35 0.50 max.

0.90 ~ 1.20 1.30 ~ 1.60 0.90 ~ 1.20 1.30 ~ 1.60 0.10 ~ 0.25 0.90 ~ 1.20 0.10 ~ 0.25

0.95 ~ 1.10 0.40 ~ 0.70 0.90 ~ 1.15 0.025 0.95 ~ 1.10 0.15 ~ 0.35 0.50 max. 0.025

0.95 ~ 1.10 0.40 ~ 0.70 0.90 ~ 1.15 0.025

Remarks: 1. The steels shall not contain more than 0.25% of Ni and Cu, respectively as impurities. However, the Cu content in wire rods shall not exceed 0.20%. SUJ 1, SUJ 2 and SUJ 3 shall not contain more than 0.08% of Mo. 2. Not more than 0.25% of elements other than those specified in the above table may be added. 3. When a product analysis is made, it shall be carried out in accordance with Table 3 specified in JIS G 0321 (Product Analysis and its Tolerance for Wrought Steel).

SAE Standard

Chemical compositions of carbon steels SAE J403, J1249 (1955) Chemical composition % max C 0.06 max. 0.08 max. 0.10 max. 0.08 ~ 0.13 0.10 ~ 0.15 0.11 ~ 0.16 0.13 ~ 0.18 0.13 ~ 0.18 0.15 ~ 0.20 0.15 ~ 0.20 0.15 ~ 0.20 0.18 ~ 0.23 0.18 ~ 0.23 0.18 ~ Mn 0.35 max. 0.25 ~ 0.40 0.30 ~ 0.50 0.30 ~ 0.60 0.30 ~ 0.60 0.50 ~ 0.80 0.30 ~ 0.60 0.60 ~ 0.90 0.30 ~ 0.60 0.60 ~ 0.90 0.70 ~ 1.00 0.30 ~ 0.60 0.60 ~ 0.90 0.70 ~ P max. 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.03 0.03 0.04 0.03 0.03 0.03 Correspo- UNS nding No. S AISI max. No. G 0.05 1005 10400 G 0.05 1006 10420 G 0.05 1008 10430 G 0.05 1010 10440 G 0.05 1012 10450 G 0.05 1013 10460 G 0.05 1015 10490 G 0.05 1016 10500 G 0.05 1017 10530 G 0.05 1018 10550 G 0.05 1019 10600 G 0.05 1020 10640 G 0.05 1021 10650 0.05 1022 G Chemical composition % Correspomax nding P S AISI C Mn max. max. No. 0.37 ~ 0.60 ~ 0.03 0.05 1040 0.44 0.90 0.40 ~ 0.60 ~ 0.03 0.05 1042 0.47 0.90 0.40 ~ 0.70 ~ 0.03 0.05 1043 0.47 1.00 0.43 ~ 0.30 ~ 0.03 0.05 1044 0.50 0.60 0.43 ~ 0.60 ~ 0.03 0.05 1045 0.50 0.90 0.43 ~ 0.70 ~ 0.03 0.05 1046 0.50 1.00 0.46 ~ 0.60 ~ 0.03 0.05 1049 0.53 0.90 0.48 ~ 0.60 ~ 0.03 0.05 1050 0.55 0.90 0.48 ~ 0.70 ~ 0.03 0.05 1053 0.55 1.00 0.50 ~ 0.60 ~ 0.03 0.05 1055 0.60 0.90 0.55 ~ 0.60 ~ 0.03 0.05 1060 0.65 0.90 0.60 ~ 0.50 ~ 0.04 0.05 1064 0.70 0.80 0.60 ~ 0.60 ~ 0.03 0.05 1065 0.70 0.90 0.65 ~ 0.40 ~ 0.04 0.05 1069

UNS No. G 10050 G 10060 G 10080 G 10100 G 10120 G 10130 G 10150 G 10160 G 10170 G 10180 G 10190 G 10200 G 10210 G

SAE No.

SAE No.

1005 1006 1008 1010 1012 1013 1015 1016 1017 1018 1019 1020 1021 1022

1040 1042 1043 1044 1045 1046 1049 1050 1053 1055 1060 1064 1065 1069

10220 0.23 1.00 10690 0.75 0.70 G 0.20 ~ 0.30 ~ G 0.65 ~ 0.60 ~ 1023 0.03 0.05 1023 1070 0.03 0.05 1070 10230 0.25 0.60 0700 0.75 0.90 G 0.22 ~ 0.30 ~ G 0.70 ~ 0.40 ~ 1025 0.03 0.05 1025 1075 0.04 0.05 1075 10250 0.28 0.60 10750 0.80 0.70 0.72 ~ 0.30 ~ G 0.22 ~ 0.60 ~ G 0.03 0.05 1078 1078 0.03 0.05 1026 1026 0.85 0.60 10780 0.28 0.90 10260 0.75 ~ 0.60 ~ G 0.25 ~ 0.60 ~ G 0.03 0.05 1080 1080 0.03 0.05 1029 1029 0.88 0.90 10800 0.31 0.90 10290 G 0.28 ~ 0.60 ~ G 0.80 ~ 0.60 ~ 1030 0.03 0.05 1030 1084 0.04 0.05 1084 10300 0.34 0.90 10840 0.93 0.90 0.80 ~ 0.70 ~ G 0.32 ~ 0.60 ~ G 0.04 0.05 1085 0.03 0.05 1035 1035 0.93 1.00 10850 0.38 0.90 10350 0.80 ~ 0.30 ~ G 0.32 ~ 0.70 ~ G 1086 0.03 0.05 1086 0.04 0.05 1037 1037 0.93 0.50 10860 0.38 1.00 10370 G 0.35 ~ 0.60 ~ G 0.85 ~ 0.60 ~ 1038 0.03 0.05 1038 1090 0.03 0.05 1090 10380 0.42 0.90 10900 0.98 0.90 0.90 ~ 0.30 ~ G 0.37 ~ 0.70 ~ G 0.03 0.05 1095 1095 0.03 0.05 1039 1039 1.03 0.50 10950 0.44 1.00 10390 Notes: 1. Lead - Standard carbon steels can be produced with a lead range of 0.15 to 0.35% to improve mach inability. Such steels are identified by inserting the letter "L" between the second and third numerals of the grade number, for example, 10L45. The UNS designation is also modified by changing the last digit to "4" to indicate lead, for example, G10454. 2. Boron - Standard killed carbon steels, which are fine grain, may be produced with a boron addition to improve harden ability. Such steels are produced to a range of 0.0005 to 0.003% boron. These steels are identified by inserting the letter "B" between the second and third numerals of the grade number, for example, 10B46. The UNS designation is also modified by changing the last digit to "1" to indicate boron, for example, G10461. 3. Copper -When copper is required, 0.20% minimum is generally specified. 4. Silicon- Bars and Semi finished- When silicon ranges or limits are required, the following ranges are commonly used: 0.10% max; 0.10 to 0.20%; 0.15 to 0.35%; 0.20 to 0.40%; or 0.30 to 0.60%. Rods - When silicon is required, the following ranges and limits are commonly used for nonresulfurized steels: 0.10% max; 0.07 to 0.15%; 0.10 to 0.20%; 0.15 to 0.35%; 0.20 to 0.40%; 0.30 to 0.60%. Chemical compositions of high manganese carbon steels SAE J403, J1249 (1995) Chemical composition % max UNS No. G 15220 G 15240 G 15260 G 15270 G 15360 G 15410 G 15480 G 15510 SAE No. C 1522 1524 1526 1527 1536 1541 1548 1551 0.18 ~ 0.24 0.19 ~ 0.25 0.22 ~ 0.29 0.22 ~ 0.29 0.30 ~ 0.37 0.36 ~ 0.44 0.44 ~ 0.52 0.45 ~ 0.56 Mn 1.10 ~ 1.40 1.35 ~ 1.65 1.10 ~ 1.40 1.20 ~ 1.50 1.20 ~ 1.50 1.35 ~ 1.65 1.10 ~ 1.40 0.85 ~ 1.15 P max. 0.030 0.030 0.030 0.030 0.040 0.030 0.030 0.040 S max. 0.050 0.050 0.050 0.050 0.050 0.050 0.050 0.050 Previous SAE No. 1024 1027 1036 1041 1048 1051 Corresponding AISI No. 1522 1524 1526 1527 1541 1548 1551

G 15520 G 15610 G 15660

1552 1561 1566

0.47 ~ 0.55 0.55 ~ 0.65 0.60 ~ 0.71

1.20 ~ 1.50 0.75 ~ 1.05 0.85 ~ 1.15

0.030 0.040 0.030

0.050 0.050 0.050

1052 1061 1066

1552 1561 1566

Notes: 1. Lead - Standard carbon steels can be produced with a lead range of 0.15 to 0.35% to improve mach inability. Such steels are identified by inserting the letter "L" between the second and third numerals of the grade number, for example, 15L22. The UNS designation is also modified by changing the last digit to "4" to indicate lead, for example, G15224. 2. Boron - Standard killed carbon steels, which are fine grain, may be produced with a boron addition to improve harden ability. Such steels are produced to a range of 0.0005 to 0.003% boron. These steels are identified by the inserting the letter "B" between the second and third numerals of the grade number, for example, 15B22. The UNS designation is also modified by changing the last digit to "1" to indicate boron, for example, G15221. 3. Silicon -Bars and semi finished- When silicon ranges or limits are required, the following ranges are commonly used: 0.10% max; 0.10 to 0.20%; 0.15 to 0.35%; 0.20 to 0.40%; or 0.30 to 0.60%. Rods - When silicon is required, the following ranges and limits are commonly used for nonresulfurized steels: 0.10% max; 0.07 to 0.15%; 0.10 to 0.20%; 0.15 to 0.35%; 0.20 to 0.40%; or 0.30 to 0.60%. Chemical Composition of Resulfurized Carbon Steels SAE J403, J1249 (1995) UNS No. G 11080 G 11100 G 11170 G 11180 G 11370 G 11390 G 11400 G 11410 G 11440 G 11460 G 11510 SAE No. 1108 1110 1117 1118 1137 1139 1140 1141 1144 1146 1151 Chemical composition % max C 0.08 ~ 0.13 0.08 ~ 0.13 0.14 ~ 0.20 0.14 ~ 0.20 0.32 ~ 0.39 0.35 ~ 0.43 0.37 ~ 0.44 0.37 ~ 0.45 0.40 ~ 0.48 0.42 ~ 0.49 0.48 ~ 0.55 Mn 0.50 ~ 0.80 0.30 ~ 0.60 1.00 ~ 1.30 1.30 ~ 1.60 1.35 ~ 1.65 1.35 ~ 1.65 0.70 ~ 1.00 1.35 ~ 1.65 1.35 ~ 1.65 0.70 ~ 1.00 0.70 ~ 1.00 P max. 0.040 0.040 0.030 0.030 0.030 0.040 0.030 0.030 0.030 0.030 0.040 S 0.08 ~ 0.13 0.08 ~ 0.13 0.08 ~ 0.13 0.08 ~ 0.13 0.08 ~ 0.13 0.13 ~ 0.20 0.08 ~ 0.13 0.08 ~ 0.13 0.24 ~ 0.33 0.08 ~ 0.13 0.08 ~ 0.13 Corresponding AISI No. 1108 1110 1117 1118 1137 1139 1140 1141 1144 1146 1151

Notes: 1. Lead -

Carbon steels can be produced with a lead range of 0.15 to 0.35% to improve mach inability. Such steels are identified by inserting the letter "L" between the second and third numerals of the grade number, for example, 11L37. The UNS designation is also modified by changing the last digit to "4" to indicate lead, for example, G11374. 2. Silicon - Bars and Semi finished- When silicon range or limits are required, the following ranges are commonly used: 0.10% max; 0.10 to 0.20%; 0.15 to 0.35%; 0.20 to 0.40%; or 0.30 to 0.60%. Wire Rods - When silicon is required, the following ranges and limits are commonly used: 0.10% max; 0.10 to 0.20%; or 0.15 to 0.35%; 3. Copper -When copper is required, 0.2% minimum is generally specified.

Chemical Composition of Rephosphorized and Resulfurized Carbon Steels SAE J403, J1249 (1995)

Chemical composition % max UNS No. SAE No. C max. Mn G 12110 G 12120 G 12130 G 12150 G 12144 1211 1212 1213 1215 12L14 0.13 0.13 0.13 0.09 0.15 0.60 ~ 0.90 0.70 ~ 1.00 0.70 ~ 1.00 0.75 ~ 1.05 0.85 ~ 1.15 P 0.07 ~ 0.12 0.07 ~ 0.12 0.07 ~ 0.12 0.04 ~ 0.09 0.04 ~ 0.09 S 0.10 ~ 0.15 0.16 ~ 0.23 0.24 ~ 0.33 0.26 ~ 0.35 0.26 ~ 0.35 Pb 0.15 ~ 0.35

Corresponding AISI No. 1211 1212 1213 1215 12L14

Notes: 1. Lead - Carbon steels can be produced with a lead range of 0.15 to 0.35% to improve mach inability. Such steels are identified by inserting the letter "L" between the second and third numerals of the grade number, for example, 12L12. The UNS designation is also modified by changing the last digit to "4" to indicate lead, for example, G12124. Chemical Compositions of Alloy Steels SAE J404, J1219 (1994) Chemical composition a) % UNS No. SAE No. C 0.33 ~ 0.38 0.38 ~ 0.43 0.43 ~ 0.48 0.20 ~ 0.25 0.20 ~ 0.25 0.25 ~ 0.30 0.30 ~ 0.35 0.35 ~ 0.40 0.40 ~ 0.45 0.45 ~ Mn 1.60 ~ 1.90 1.60 ~ 1.90 1.60 ~ 1.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ P max. S e) Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Ni Cr Mo V Corresponding d) AISI No 1335

G 1335 13350 G 1340 13400 G 1345 13450 G 4023 40230 G 4024 40240 G 4027 40270 G 4032 40320 G 4037 40370 G 4042 40420 G 4047 40470

0.030 0.040

-

-

-

-

0.030 0.040

-

-

-

-

1340

0.035 0.040

-

-

0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~

-

1345

0.030 0.040

-

-

-

4023

0.035

0.15 0.035 ~ ~ 0.050 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~

-

-

-

4024

0.030 0.040

-

-

-

4027

0.035 0.040

-

-

-

-

0.030 0.040

-

-

-

4037

0.035 0.040

-

-

-

-

0.030 0.040

-

-

-

4047

0.50 G 4118 41180 G 4130 41300 G 4135 41350 G 4137 41370 G 4140 41400 G 4142 41420 G 4145 41450 G 4150 41500 G 4161 41610 G 4320 43200 G 4340 43400 G E4340 43406 b) G 4422 44220 G 4427 44270 G 4615 46150 G 4617 46170 0.18 ~ 0.23 0.28 ~ 0.33 0.33 ~ 0.38 0.35 ~ 0.40 0.38 ~ 0.43 0.40 ~ 0.45 0.43 ~ 0.48 0.48 ~ 0.53 0.56 ~ 0.64 0.17 ~ 0.22 0.38 ~ 0.43 0.38 ~ 0.43 0.20 ~ 0.25 0.24 ~ 0.29 0.13 ~ 0.18 0.15 ~ 0.20

0.90 0.70 ~ 0.90 0.40 ~ 0.60 0.70 ~ 0.90 0.70 ~ 0.90 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.45 ~ 0.65 0.60 ~ 0.80 0.65 ~ 0.85 0.70 ~ 0.90 0.70 ~ 0.90 0.45 ~ 0.65 0.45 ~ 0.65 0.030 0.040

0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.40 ~ 0.60 0.80 ~ 1.10 0.80 ~ 1.10 0.80 ~ 1.10 0.80 ~ 1.10 0.80 ~ 1.10 0.80 ~ 1.10 0.80 ~ 1.10 0.70 ~ 0.90 0.40 ~ 0.60 0.70 ~ 0.90 0.70 ~ 0.90 -

0.30 0.08 ~ 0.15 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.25 ~ 0.35 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.35 ~ 0.45 0.35 ~ 0.45 0.20 ~ 0.30 0.20 ~ 0.30 4118

0.030 0.040

-

-

4130

0.035 0.040

-

-

-

0.030 0.040

-

-

4137

0.030 0.040

-

-

4140

0.030 0.040

-

-

4142

0.030 0.040

-

-

4145

0.030 0.040

-

-

4150

0.035 0.040

1.65 ~ 2.00 1.65 ~ 2.00 1.65 ~ 2.00 -

-

4161

0.030 0.040

-

4320

0.030 0.040

-

4340

0.025 0.025

-

E4340

0.035 0.040

-

-

0.035 0.040

1.65 ~ 2.00 1.65 ~ 2.00

-

-

-

0.035 0.040

-

-

4615

0.035 0.040

-

-

-

G 4620 46200 G 4626 46260 G 4718 47180 G 4817 48170 G 4820 48200 B 50B40 50401 C) G 50B44 50441 C) G 5046 50460 G 50B46 50461 C) G 50B50 50501 C) G 5060 50600 G 50B60 50601 C) G 5115 51150 G 5117 51170 G 5120 51200 G 5130 51300 G 5132

0.17 ~ 0.22 0.24 ~ 0.29 0.16 ~ 0.21 0.15 ~ 0.20 0.18 ~ 0.23 0.38 ~ 0.43 0.43 ~ 0.48 0.43 ~ 0.48 0.44 ~ 0.49 0.48 ~ 0.53 0.56 ~ 0.64 0.56 ~ 0.64 0.13 ~ 0.18 0.15 ~ 0.20 0.17 ~ 0.22

0.45 ~ 0.65 0.45 ~ 0.65 0.70 ~ 0.90 0.40 ~ 0.60 0.50 ~ 0.70 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90

0.030 0.040

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15

1.65 ~ 2.00 0.70 ~ 1.00 0.90 ~ 1.20 3.25 ~ 3.75 3.25 ~ 3.75 -

-

0.20 ~ 0.30 0.15 ~ 0.25 0.30 ~ 0.40 0.20 ~ 0.30 0.20 ~ 0.30 -

-

4620

0.035 0.040

0.35 ~ 0.55 -

-

4626

-

0.040

-

(4718)

0.035 0.040

-

4817

0.030 0.040

0.40 ~ 0.60 0.40 ~ 0.60 0.20 ~ 0.35 0.20 ~ 0.35 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.80 ~ 1.10 0.75

-

4820

0.035 0.040

-

-

0.035 0.040

-

-

-

50B44

0.035 0.040

-

-

-

-

0.030 0.040

-

-

-

50B46

0.035 0.040

-

-

-

50B50

0.035 0.040

-

-

-

-

0.035 0 040

-

-

-

50B60

0.035 0.040

-

-

-

-

0.035 0.040

-

-

-

5117

0.030 0.040

-

-

-

5120

0.70 028 ~ ~ 0.33 0.90 0.30 0.60

0.030 0.040 0.030 0.040

-

-

-

5130 5132

51320

~ 0.35 0.33 ~ 0.38 0.38 ~ 0.43 0.46 ~ 0.51 0.48 ~ 0.53 0.51 ~ 0.59 0.56 ~ 0.64 0.56 ~ 0.64 0.98 ~ 1.10 0.98 ~ 1.10 0.98 ~ 1.10 0.16 ~ 0.21 0.48 ~ 0.53 0.13 ~ 0.18 0.43 ~ 0.48 0.13 ~ 0.18 0.15 ~

~ 0.80 0.60 ~ 0.80 0.70 ~ 0.90 0.70 ~ 0.95 0.70 ~ 0.90 0.70 ~ 0.90 0.75 ~ 1.00 0.75 ~ 1.00 0.25 ~ 0.45 0.25 ~ 0.45 0.25 ~ 0.45 0.50 ~ 0.70 0.70 ~ 0.90 0.70 ~ 0.90 0.75 ~ 1.00 0.70 ~ 0.90 0.70 ~ 0.035 0.040

~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ -

~ 1.00 0.80 ~ 1.05 0.70 ~ 0.90 0.85 ~ 1.15 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.40 ~ 0.60 0.90 ~ 1.15 1.30 ~ 1.60 0.50 ~ 0.70 0.80 ~ 1.10 0.30 ~ 0.50 0.35 ~ 0.55 0.40 ~ 0.60 0.40 ~ -

G 5135 51350 G 5140 51400 G 5147 51470 G 5150 51500 G 5155 51550 G 5160 51600 G 51B6O 51601 c) G 50100 50986 G E 51986 51100 E G 52100 52986 b) G 6118 61180 G 6150 61500 G 8115 81150 G 81B45 81451 G 8615 86150 G 8617 86170

0.030 0.040

-

-

-

5140

0.035 0.040

-

-

-

(5147)

0.030 0.040

-

-

-

5150

0.035 0.040

-

-

-

5155

0.030 0.040

-

-

-

5160

0.030 0.040

-

-

-

51B60

0.025 0.025

-

-

-

-

0.025 0.025

-

-

-

E51100

0.025 0.025

-

-

0.10 ~ 0.15 0.15 min.

E521100

0.035 0.040

-

-

6118

0.030 0.040

0.20 ~ 0.40 0.20 ~ 0.40 0.40 ~ 0.70 0.40 ~

0.08 ~ 0.15 0.08 ~ 0.15 0.15 ~ 0.25 0.15 ~

6150

0.035 0.040

-

(8115)

0.035 0.040

-

81B45

0.030 0.040

-

8615

0.030 0.040

-

8617

0.20 G 8620 86200 G 8622 86220 G 8625 86250 G 8627 86270 G 8630 86300 G 8640 86400 G 8642 86420 G 8645 86450 G 86B45 86451 c) G 8650 86500 G 8655 86550 G 8660 86600 G 8720 87200 G 8740 87400 G 8822 88220 G 9254 92540 0.18 ~ 0.23 0.20 ~ 0.25 0.23 ~ 0.28 0.25 ~ 0.30 0.28 ~ 0.33 0.38 ~ 0.43 0.40 ~ 0.45 0.43 ~ 0.48 0.43 ~ 0.48 0.48 ~ 0.53 0.51 ~ 0.59 0.56 ~ 0.64 0.18 ~ 0.23 0.38 ~ 0.43 0.20 ~ 0.25 0.51 ~ 0.59

0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.70 ~ 0.90 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00 0.70 ~ 0.90 0.75 ~ 1.00 0.75 ~ 1.00 0.60 ~ 0.80 0.030 0.040

0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 1.20 ~ 1.60

0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 0.40 ~ 0.70 -

0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.40 ~ 0.60 0.60 ~ 0.80

0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.20 ~ 0.30 0.20 ~ 0.30 0.30 ~ 0.40 8620

0.030 0.040

-

8622

0.035 0.040

-

8625

0.035 0.040

-

8627

0.030 0.040

-

8630

0.030 0.040

-

8640

0.035 0.040

-

8642

0.030 0.040

-

8645

0.035 0.040

-

-

0.035 0.040

-

-

0.035 0.040

-

8655

0.035 0.040

-

-

0.030 0.040

-

8720

0.035 0.040

-

8740

0.030 0.040

-

8822

0.035 0.040

-

-

G 9259 92590 G 9260 92600

0.56 ~ 0.64 0.56 ~ 0.64

0.75 ~ 1.00 0.70 ~ 1.00 0.45 ~ 0.65 0.75 ~ 1.00 0.75 ~ 1.00 0.75 ~ 1.00

0.030 0.040

0.70 ~ 1.10 1.80 ~ 2.20 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

-

0.45 ~ 0.65 1.00 ~ 1.40 0.30 ~ 0.50 0.30 ~ 0.50 0.30 ~ 0.50

-

-

-

0.030 0.040

3.00 ~ 3.50 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.60

0.08 ~ 0.15 0.08 ~ 0.15 0.08 ~ 0.15 0.08 ~ 0.15

-

9260

0.08 G 9310 b) ~ 93100 0.13 G 94B15 94151 c) G 94B17 94171 c) G 94B30 94301 c) 0.13 ~ 0.18 0.15 ~ 0.20 0.28 ~ 0.33

0.025 0.025

-

-

0.035 0.040

-

-

0.035 0.040

-

94B17

0.035 0.040

-

94B30

Notes: a)The following elements are acceptable to the following maximum amount: copper to 0.35%, nickel to 0.25%, chromium to 0.20%, and molybdenum to 0.06%. b)Electric furnace steel. c) Boron content is 0.0005 to 0.003%. d)Maximum value unless expressed by the range. Chemical Compositions of Carbon H-Steels SEA J1268 (1995) Chemical compositions for carbon and carbon boron H steels UNS No. Chemical composition % max SAE No. C 0.34 ~ 0.43 0.42 ~ 0.51 0.17 ~ 0.25 0.18 ~ 0.26 0.21 ~ 0.30 0.35 ~ 0.45 0.17 ~ 0.24 0.25 ~ 0.34 0.27 ~ 0.35 0.31 ~ 0.39 Mn 0.50 ~ 1.00 0.50 ~ 1.00 1.00 ~ 1.50 1.25 ~ 1.75 1.00 ~ 1.50 1.25 ~ 1.75 0.70 ~ 1.20 1.00 ~ 1.50 0.70 ~ 1.20 0.70 ~ 1.20 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 P b) 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. 0.030 max. S b) 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. 0.050 max. Corresponding AISI No. 1038 H 1045 H 1522 H 1524 H 1526 H 1541 H 15B21H a) 15B28H a) 15B30H a) 15B35H a)

H 10380 1038 H H 10450 1045 H H 15220 1522 H H 15240 1524 H H 15260 1526 H H 15410 1541 H H 15211 H 15281 H 15301 H 15351 15B21H a) 15B28H a) 15B30H a) 15B35H a)

H 15371 H 15411 H 15481 H 15621

15B37H a) 15B41H a) 15B48H a) 15B62H a)

0.30 ~ 0.39 0.35 ~ 0.45 0.43 ~ 0.53 0.54 ~ 0.67

1.00 ~ 1.50 1.25 ~ 1.75 1.00 ~ 1.50 1.00 ~ 1.50

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.40 ~ 0.60

0.030 max. 0.030 max. 0.030 max. 0.030 max.

0.050 max. 0.050 max. 0.050 max. 0.050 max.

15B37H a) 15B41H a) 15B48H a) 15B62H a)

Note: a)These steels contain 0.0005 to 0.0030% boron. b)If electric furnace practice is specified or required, the limits for phosphorus and sulfur are 0.025%, respectively, and the prefix E is added to the SEA number, for example, E1038H. Chemical Compositions of Alloy H-Steels SAE J1268 (1995) Chemical composition Chemical composition % max UNS No. SAE No. C 0.27 ~ 0.33 0.32 ~ 0.38 0.37 ~ 0.44 0.42 ~ 0.49 0.24 ~ 0.30 Mn 1.45 ~ 2.05 1.45 ~ 2.05 1.45 ~ 2.05 1.45 ~ 2.05 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.90 ~ 1.20 0.30 ~ 0.70 0.60 ~ 1.00 0.60 ~ 1.00 Si 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 Ni Cr 0.30 ~ 0.70 0.40 ~ 0.60 0.75 ~ 1.20 0.75 ~ 1.20 0.75 ~ 1.20 Mo 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.08 ~ 0.15 0.13 ~ 0.20 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 V Corresponding AISI No. 1330 H 1335 H 1340 H 1345 H 4027 H 4028 H 4032 H 4037 H 4042 H 4047 H 4118 H 4120 H 4130 H 4135 H 4137 H

H 13300 1330H H 13350 1335H H 13400 1340H H 13450 1345H H 40270 4027H

H 40280 0.24 ~ 4028H d) d) 0.30 H 40320 4032H H 40370 4037H H 40420 4042H H 40470 4047H H 41180 4118H H 41200 4120H H 41300 4130H H 41350 4135H H 41370 4137H 0.29 ~ 0.35 0.34 ~ 0.41 0.39 ~ 0.46 0.44 ~ 0.51 0.17 ~ 0.23 0.18 ~ 0.23 0.27 ~ 0.33 0.32 ~ 0.38 0.34 ~ 0.41

H 41400 4140H H 41420 4142H H 41450 4145H H 41470 4147H H 41500 4150H H 41610 4161H H 43200 4320H H 43400 4340H H 43406 E4340H f) f) H 46200 4620H H 47180 4718H H 47200 4720H H 48150 4815H H 48170 4817H H 48200 4820H H 50401 50B40H e) e) H 50441 50B44H e) e) H 50460 5046H H 50461 50B46H e) e) H 50501 50B50H e) e) H 50601 50B60H e) e) H 51200 5120H H 51300 5130H

0.37 ~ 0.44 0.39 ~ 0.46 0.42 ~ 0.49 0.44 ~ 0.51 0.47 ~ 0.54 0.55 ~ 0.65 0.17 ~ 0.23 0.37 ~ 0.44 0.37 ~ 0.44 0.17 ~ 0.23 0.15 ~ 0.21 0.17 ~ 0.23 0.12 ~ 0.18 0.14 ~ 0.20 0.17 ~ 0.23 0.37 ~ 0.44 0.42 ~ 0.49 0.43 ~ 0.50 0.43 ~ 0.50 0.47 ~ 0.54 0.55 ~ 0.65 0.17 ~ 0.23 0.27 ~ 0.33

0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.40 ~ 0.70 0.55 ~ 0.90 0.60 ~ 0.95 0.35 ~ 0.75 0.60 ~ 0.95 0.45 ~ 0.75 0.30 ~ 0.70 0.30 ~ 0.70 0.40 ~ 0.80 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.65 ~ 1.10 0.60 ~ 1.00 0.60 ~ 1.10

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

1.55 ~ 2.00 1.55 ~ 2.00 1.55 ~ 2.00 1.55 ~ 2.00 0.85 ~ 1.25 0.85 ~ 1.25 3.20 ~ 3.80 3.20 ~ 3.80 3.20 ~ 3.80 -

0.75 ~ 1.20 0.75 ~ 1.20 0.75 ~ 1.20 0.75 ~ 1.20 0.75 ~ 1.20 0.65 ~ 0.95 0.35 ~ 0.65 0.65 ~ 0.95 0.65 ~ 0.95 0.30 ~ 0.60 0.30 ~ 0.60 0.30 ~ 0.70 0.30 ~ 0.70 0.13 ~ 0.43 0.13 ~ 0.43 0.30 ~ 0.70 0.30 ~ 0.70 0.60 ~ 1.00 0.75 ~ 1.20

0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.25 ~ 0.35 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 0.30 ~ 0.40 0.15 ~ 0.25 0.20 ~ 0.30 0.20 ~ 0.30 0.20 ~ 0.30 -

-

4140 H 4142 H 4145 H 4147 H 4150 H 4161 H 4320 H 4340 H E4340 H 4620 H 4720 H 4815 H 4817 H 4820 H 50B40H 50B44H 5046 H 50B46H 50B50H 50B60H 5120 H 5130 H

H 51320 5132H H 51350 5135H H 51400 5140H H 51470 5147H H 51500 5150H H 51550 5155H H 51600 5160H H 51601 51B60H e) e) H 61180 6118H H 61500 6150H H 81451 81B45H e) e) H 86170 8617H H 86200 8620H H 86220 8622H H 86250 8625H H 86270 8627H H 86300 8630H H 86301 86B30H e) e) H 86370 8637H H 86400 8640H H 86420 8642H H 86450 8645H H 86451 86B45H e) e)

0.29 ~ 0.35 0.32 ~ 0.38 0.37 ~ 0.44 0.45 ~ 0.52 0.47 ~ 0.54 0.50 ~ 0.60 0.55 ~ 0.65 0.55 ~ 0.65 0.15 ~ 0.21 0.47 ~ 0.54 0.42 ~ 0.49 0.14 ~ 0.20 0.17 ~ 0.23 0.19 ~ 0.25 0.22 ~ 0.28 0.24 ~ 0.30 0.27 ~ 0.33 0.27 ~ 0.33 0.34 ~ 0.41 0.37 ~ 0.44 0.39 ~ 0.46 0.42 ~ 0.49 0.42 ~ 0.49

0.50 ~ 0.90 0.50 ~ 0.90 0.60 ~ 1.00 0.60 ~ 1.05 0.60 ~ 1.00 0.60 ~ 1.00 0.65 ~ 1.10 0.65 ~ 1.10 0.40 ~ 0.80 0.60 ~ 1.00 0.70 ~ 1.05 0.60 ~ 0.95 0.60 ~ 0.95 0.60 ~ 0.95 0.60 ~ 0.95 0.60 ~ 0.95 0.60 ~ 0.95 0.60 ~ 0.95 0.70 ~ 1.05 0.70 ~ 1.05 0.70 ~ 1.05 0.70 ~ 1.05 0.70 ~ 1.05

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

0.15 ~ 0.45 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75

0.65 ~ 1.10 0.70 ~ 1.15 0.60 ~ 1.00 0.80 ~ 1.25 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.60 ~ 1.00 0.40 ~ 0.80 0.75 ~ 1.20 0.30 ~ 0.60 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65

0.08 ~ 0.15 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25

0.10 ~ 0.15 0.15 min. -

5132 H 5135 H 5140 H 5150 H 5155 H 5160 H 51B60H 6118 H 6150 H 81B45H 8617 H 8620 H 8622 H 8625 H 8627 H 8630 H 86B30H 8637 H 8640 H 8642 H 8645 H 86B45H

H 86500 8650H H 86550 8655H H 86600 8660H H 87200 8720H H 87400 8740H H 88220 8822H H 92590 9259H H 92600 9260H

0.47 ~ 0.54 0.50 ~ 0.60 0.55 ~ 0.65 0.17 ~ 0.23 0.37 ~ 0.44 0.19 ~ 0.25 0.56 ~ 0.64 0.55 ~ 0.65

0.70 ~ 1.05 0.70 ~ 1.05 0.70 ~ 1.05 0.60 ~ 0.95 0.70 ~ 1.05 0.70 ~ 1.05 0.65 ~ 1.10 0.65 ~ 1.10 0.40 ~ 0.70 0.70 ~ 1.05 0.70 ~ 1.05 0.70 ~ 1.05

0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.70 ~ 1.20 1.70 ~ 2.20 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35 0.15 ~ 0.35

0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 0.35 ~ 0.75 2.95 ~ 3.55 0.25 ~ 0.65 0.25 ~ 0.65 0.25 ~ 0.65

0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.35 ~ 0.65 0.45 ~ 0.65 1.00 ~ 1.45 0.25 ~ 0.55 0.25 ~ 0.55 0.25 ~ 0.55

0.15 ~ 0.25 0.15 ~ 0.25 0.15 ~ 0.25 0.20 ~ 0.30 0.20 ~ 0.30 0.30 ~ 0.40 0.08 ~ 0.15 0.08 ~ 0.15 0.08 ~ 0.15 0.08 ~ 0.15

-

8650 H 8655 H 8660 H 8720 H 8740 H 8822 H 9260 H 9310 H 94B15H 94B17H 94B30H

H 93100 0.07 ~ 9310H f) f) 0.13 H 94151 94B15H e) e) H 94171 94B17H e) e) H 94301 94B30H e) e) 0.12 ~ 0.18 0.14 ~ 0.20 0.27 ~ 0.33

Note: a)The ranges and limits on this table apply only to material not exceeding 200 in2 (0.132m2) in cross-sectional area, 18 in. (460 mm) in width, or 10,000 lb (4.5 tonne) per piece in weight. b)The following elements are considered acceptable to the following maximum amounts: Cu to 0.35%, Ni to 0.25%, Cr to 0.20%, and Mo to 0.06%. c) For open hearth and basic oxygen steels maximum sulfur content is 0.040% and maximum phosphorus content is 0.030%. Maximum phosphorus and sulfur in basic electric furnace steels are 0.025% each. d)Sulfur content range is 0.035/0.050%. e)Boron content range is 0.0005 to 0.003%. f) Electric furnace steel.

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