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Chemical component and
dynamic performance of common material		 Approximate antitheses
with other country‘s steel grade		 Physical and chemical performance
and specification of common double-phase
stainless steel
Approximate antitheses with other country‘s steel grade
Countries Standrd Gategory Material Chemical Composition Mechanical Properties
   C    Si Mn P≤ 0.040S≤0.040 Ni Cr   Mo     V  Others σb(Ma) σS(Mpa)≥ σS%≥
China GB8163 Steel tube 20 0.17-2.4 0.17-0.37 0.35-0.65 0.035 0.035 ≤0.25 ≤0.25 - - Cu≤0.25 390-530 245 20
GB6479 Steel tube 16Mn 0.12-0.20 0.20-0.60 1.20-1.60 0.040 0.035 - - - - Cu≤0.25 490-670 320 21
GB6479 Steel tube 12CrMo 0.08-0.15 0.17-0.37 0.40-0.70 0.035 0.035 ≤0.30 0.40-0.70 0.40-0.55 - Cu≤0.25 410-560 205 21
GB6479 Steel tube 15CrMo 0.12-0.18 0.17-0.37 0.40-0.70 0.035 0.035 ≤0.30 0.80-0.10 0.40-0.55 - Cu≤0.25 440-640 235 21
GB5310 Steel tube 12Cr1MoV 0.08-0.15 0.17-0.37 0.40-0.70 0.035 0.035 - 0.90-1.20 0.25-0.35 0.15-0.30 Cu≤0.25 471-638 255 21
GB2270 Steel tube 1Cr18Ni9Ti ≤0.12 ≤1.00 ≤2.00 0.035 0.030 8.00-11.00 17.00-19.00 - - Ti5x(C%~0.02)-0.08 ≥540 - 40
GB2270 Steel tube 0Cr18Ni12Mo2Ti ≤0.08 ≤1.00 ≤2.00 0.035 0.030 11.00-14.00 16.00-19.00 1.80-2.50 - Ti5xC%-0.70 ≥510 - 42
GB2270 Steel tube 00Cr19N911 ≤0.030 ≤1.00 ≤2.00 0.035 0.030 9.00-13.00 18.00-20.00 2.0-3.00 - - ≥481 - 40
GB2270 Steel tube 00Cr17Ni14Mo2 ≤0.030 ≤1.00 ≤2.00 0.035 0.030 12.00-15.00 16.00-18.00 2.00-3.00     ≥481 - 40
GB3274 鋼板 Q235A 0.14-0.22 ≤0.30 0.30-0.65 0.045 0.050 - - - - - 375-460 235 26
GB6654 鋼板 16MnR ≤0.20 0.20-0.60 1.20-1.60 0.035 0.035 - - - - - 510-655 345 21
U.S.A ASTMA106 Steel tube WPS ≤0.30 ≥0.10 0.29-10-.06 0.035 0.035 - - - - - 415 240 22
ASTMA312 Steel tube TP304 ≤0.08 ≤0.75 ≤2.00 0.040 0.030 8.00-11.00 18.0-20.0 - - - 515 205 35
ASTMA312 Steel tube TP304L ≤0.035 ≤0.75 ≤2.00 0.040 0.030 8.00-13.00 18.0-20.0 - - - 485 170 22
ASTMA312 Steel tube TP316 ≤0.08 ≤0.75 ≤2.00 0.040 0.030 10.0-14.0 16.0-18.0 2-.00-3.00 - - 515 205 35
ASTMA312 Steel tube TP316L ≤0.035 ≤0.75 ≤2.00 0.040 0.030 10.0-15.0 16.0-18.0 2.00-3.00 - - 485 170 35
ASTMA312 Steel tube TP321 ≤0.08 ≤0.75 ≤2.00 0.040 0.030 9.00-13.00 17.0-20.0 - - Ti5xC%-0.70 485 170 35
Japan JISG3459 Steel tube SUS304 ≤0.08 ≤1.00 ≤2.00 0.040 0.030 8.00-11.00 18.00-20.00 - - - 520 206 35
JISG3459 Steel tube SUS304L ≤0.030 ≤1.00 ≤2.00 0.040 0.030 9.00-13.00 18.00-20.00 - - - 481 177 35
JISG3459 Steel tube SUS316 ≤0.08 ≤1.00 ≤2.00 0.040 0.030 10.00-14.00 16.00-18.00 2.00-3.00 - - 520 206 35
JISG3459 Steel tube SUS316L ≤0.030 ≤1.00 ≤2.00 0.040 0.030 12.00-16.00 16.00-18.00 2.00-3.00 - - 481 177 35
JISG3459 Steel tube SUS321 ≤0.08 ≤1.00 ≤2.00 0.040 0.030 9.00-13.00 17.00-19.00 - - Ti＞5xC% 520 206 35
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