常用热轧钢材化学成份及性能对照表新
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牌号
SPHC DD11 (StW22) SPCC St12(DCO1
) DC04 St37-2G St44-3G St52-3G SS330 SS400 SS540 St33 S235JR （ST37-2) S355J0 (St52-3) SPHT1
SPHT2
SPHT3
SAPH310 SAPH370 SAPH400 SAPH440 QSTE340 QSTE380 QSTE420 QSTE460 QSTE500 B440QZR B480QZR
≥235
360～510
≤0.55 ≤1.60 ≤0.030 ≤0.030 ------
≥355
510～680
≤0.35 ≤0.35 ≤0.35 ≤0.30
≤0.30
≤0.50
≤0.50 ≤0.50 ≤0.30 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.15 ----------≤0.15 0.17～ 00.1.377～ 00.1.377～ 00.2.307～ 00.1.375～
≥345 ------
470～630 ≥530
伸长率 （%） ≥27
≥22
≥25 ≥24 ≥34 ≥20 ≥18 ≥16 ≥26 ≥21 ≥16 ≥10
≥17
≥14
≥30 ≥25 ≥20 ≥33 ≥32 ≥31 ≥29 ≥19 ≥18 ≥16 ≥14 ≥12 ≥15 ≥21 ≥33 ≥31 ≥31 ≥26 ≥26 ≥26 ≥26
-----------
≥590 ≥720
0.50～0.80 ≤0.035 ≤0.035 ------
------
≥720
≤1.70 ≤0.035 ≤0.035 ------
≥345
470～630
≤0.50 0.17～
0.37
≤1.70 ≤0.030 ≤0.030 ≥0.015 0.70～1.00 ≤0.035 ≤0.035 ------
≤0.17
≤0.20
≤0.10 ≤0.18 ≤0.25 ≤0.10
≤0.21
≤0.12
≤0.12 ≤0.16 ≤0.12 ≤0.15 ≤0.15 ≤0.22 ≤0.20 ≤0.17 ≤0.17 ≤0.10 0.08～ 00.1.183～ 00.1.283～ 00.0.273～ 00.1.173～ 00.4.223～ 00.3.445～ 00.3.379～
180Mpa热轧 /231000MMppaa热冷轧拉 /350Mpa冷拉
≥490
------
420～540 450～590 480～620 520～670 550～700 440～570 480～580 315～430 335～450 335～450 370～500 370～500 370～500 370～500
0.44 ≤0.20
≤0.20 0.22～
0.29
常用热轧钢材化学成份及机械性能对照表
化学成份（%）
机械性能
Si
Mn
S
P
Alt 屈服强度Mpa 抗拉强度Mpa
≤0.05 ≤0.60 ≤0.035 ≤0.035 ≥0.010
------
≥270
≤0.05 ≤0.60 ≤0.035 ≤0.035 ≥0.010 170～360
Nb≤0.09 V≤0.20 Ti≤0.15
------
-------------------------------------------------------------
≥340 ≥380 ≥420 ≥460 ≥500 ≥320 ≥355 ≥195 ≥215 ≥215 ≥235 ≥235 ≥235 ≥235
≤0.025 ≤0.030
≥185 ≥225 ≥255 ≥305
≥310 ≥370 ≥400 ≥440
≤1.30 ≤1.40 ≤1.50 ≤0.025 ≤0.030 ≤1.60 ≤1.70 ≤1.30 ≤0.025 ≤0.030 ≤1.50 ≤0.035 ≤0.030 ≤0.50 ≤0.040 ≤0.035 ≤1.20 ≤0.050 ≤0.045 ≤1.20 ≤0.050 ≤0.045 ≤1.40 ≤0.050 ≤0.045 ≤1.40 ≤0.045 ≤0.045 ≤1.40 ≤0.040 ≤0.040 ≤1.40 ≤0.035 ≤0.035 ≤0.50 ≤0.020 ≤0.020 0.30～0.60 ≤0.035 ≤0.035 0.30～0.60 ≤0.030 ≤0.050 0.70～1.00 ≤0.025 ≤0.030 0.35～0.65 ≤0.035 ≤0.035
9
320Mpa热轧 /338700MMppaa热冷轧拉 /460Mpa冷拉
≥360 360～460
0.35～0.65 ≤0.035 ≤0.035 ------
------
420～530
0.50～0.80 ≤0.035 ≤0.035 -----1.25～1.50 ≤0.015 ≤0.020 ------
0.37 ≤0.50
≤0.50 ≤0.035 ≤0.035 ------
------
≥270
பைடு நூலகம்≤0.60 ≤0.035 ≤0.035 ------
------
≥340
0.30～0.90 ≤0.035 ≤0.035 ------
------
≥410
≤0.50 ≤0.75 ≤1.40 ≤1.50
≤0.035 ≤0.035 ≥0.010
28%热轧 /2250%%热冷轧拉 /15%冷拉
27% ≥20 ≥24 ≥14 ≥18 ≥14
≥24
≥24
≥20
标准
BQB302 BQB402 BQB403 BQB410
BQB303
BQB310
GB/T70 0
SAE J1397
GB/T69 9
兴澄标 GB/准T307
7 GB/T159
1 GB/T69
-----140～280 130～210
≥215 ≥245 ≥325 ≥205 ≥245 ≥400 ≥185
≥270 ≥270 ≥270 360～510 430～580 510～680 330～430 400～510 ≥540 310～540
≤0.35 ≤1.40 ≤0.035 ≤0.035 ------
Q195 Q215A Q215B Q235A Q235B Q235C Q235D SAE1008 SAE1010 SAE1020 SAE1022
10 20 45 37Mn5 40Cr Q345B (16Mn) Q345C (16MnAl) 25Mn
C ≤0.15
≤0.12
≤0.15 ≤0.10 ≤0.08 ≤0.17 ≤0.20 ≤0.20 ≤0.15 ≤0.21 ≤0.30 ------
≤440
------------------------------≤0.30 ≤0.30 ≤0.25 ------
≤0.60 ≤0.50 ≤0.40 ≤1.00 ≤1.30 ≤1.60 ≤0.95 ≤1.40 ≤1.60 ------
≤0.025 ≤0.10 -----≤0.025 ≤0.035 ≥0.015 ≤0.020 ≤0.025 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.035 ≤0.035 -----≤0.035 ≤0.035 -----≤0.035 ≤0.035 -----≤0.040 ≤0.040 ------
SPHC DD11 (StW22) SPCC St12(DCO1
) DC04 St37-2G St44-3G St52-3G SS330 SS400 SS540 St33 S235JR （ST37-2) S355J0 (St52-3) SPHT1
SPHT2
SPHT3
SAPH310 SAPH370 SAPH400 SAPH440 QSTE340 QSTE380 QSTE420 QSTE460 QSTE500 B440QZR B480QZR
≥235
360～510
≤0.55 ≤1.60 ≤0.030 ≤0.030 ------
≥355
510～680
≤0.35 ≤0.35 ≤0.35 ≤0.30
≤0.30
≤0.50
≤0.50 ≤0.50 ≤0.30 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.35 ≤0.15 ----------≤0.15 0.17～ 00.1.377～ 00.1.377～ 00.2.307～ 00.1.375～
≥345 ------
470～630 ≥530
伸长率 （%） ≥27
≥22
≥25 ≥24 ≥34 ≥20 ≥18 ≥16 ≥26 ≥21 ≥16 ≥10
≥17
≥14
≥30 ≥25 ≥20 ≥33 ≥32 ≥31 ≥29 ≥19 ≥18 ≥16 ≥14 ≥12 ≥15 ≥21 ≥33 ≥31 ≥31 ≥26 ≥26 ≥26 ≥26
-----------
≥590 ≥720
0.50～0.80 ≤0.035 ≤0.035 ------
------
≥720
≤1.70 ≤0.035 ≤0.035 ------
≥345
470～630
≤0.50 0.17～
0.37
≤1.70 ≤0.030 ≤0.030 ≥0.015 0.70～1.00 ≤0.035 ≤0.035 ------
≤0.17
≤0.20
≤0.10 ≤0.18 ≤0.25 ≤0.10
≤0.21
≤0.12
≤0.12 ≤0.16 ≤0.12 ≤0.15 ≤0.15 ≤0.22 ≤0.20 ≤0.17 ≤0.17 ≤0.10 0.08～ 00.1.183～ 00.1.283～ 00.0.273～ 00.1.173～ 00.4.223～ 00.3.445～ 00.3.379～
180Mpa热轧 /231000MMppaa热冷轧拉 /350Mpa冷拉
≥490
------
420～540 450～590 480～620 520～670 550～700 440～570 480～580 315～430 335～450 335～450 370～500 370～500 370～500 370～500
0.44 ≤0.20
≤0.20 0.22～
0.29
常用热轧钢材化学成份及机械性能对照表
化学成份（%）
机械性能
Si
Mn
S
P
Alt 屈服强度Mpa 抗拉强度Mpa
≤0.05 ≤0.60 ≤0.035 ≤0.035 ≥0.010
------
≥270
≤0.05 ≤0.60 ≤0.035 ≤0.035 ≥0.010 170～360
Nb≤0.09 V≤0.20 Ti≤0.15
------
-------------------------------------------------------------
≥340 ≥380 ≥420 ≥460 ≥500 ≥320 ≥355 ≥195 ≥215 ≥215 ≥235 ≥235 ≥235 ≥235
≤0.025 ≤0.030
≥185 ≥225 ≥255 ≥305
≥310 ≥370 ≥400 ≥440
≤1.30 ≤1.40 ≤1.50 ≤0.025 ≤0.030 ≤1.60 ≤1.70 ≤1.30 ≤0.025 ≤0.030 ≤1.50 ≤0.035 ≤0.030 ≤0.50 ≤0.040 ≤0.035 ≤1.20 ≤0.050 ≤0.045 ≤1.20 ≤0.050 ≤0.045 ≤1.40 ≤0.050 ≤0.045 ≤1.40 ≤0.045 ≤0.045 ≤1.40 ≤0.040 ≤0.040 ≤1.40 ≤0.035 ≤0.035 ≤0.50 ≤0.020 ≤0.020 0.30～0.60 ≤0.035 ≤0.035 0.30～0.60 ≤0.030 ≤0.050 0.70～1.00 ≤0.025 ≤0.030 0.35～0.65 ≤0.035 ≤0.035
9
320Mpa热轧 /338700MMppaa热冷轧拉 /460Mpa冷拉
≥360 360～460
0.35～0.65 ≤0.035 ≤0.035 ------
------
420～530
0.50～0.80 ≤0.035 ≤0.035 -----1.25～1.50 ≤0.015 ≤0.020 ------
0.37 ≤0.50
≤0.50 ≤0.035 ≤0.035 ------
------
≥270
பைடு நூலகம்≤0.60 ≤0.035 ≤0.035 ------
------
≥340
0.30～0.90 ≤0.035 ≤0.035 ------
------
≥410
≤0.50 ≤0.75 ≤1.40 ≤1.50
≤0.035 ≤0.035 ≥0.010
28%热轧 /2250%%热冷轧拉 /15%冷拉
27% ≥20 ≥24 ≥14 ≥18 ≥14
≥24
≥24
≥20
标准
BQB302 BQB402 BQB403 BQB410
BQB303
BQB310
GB/T70 0
SAE J1397
GB/T69 9
兴澄标 GB/准T307
7 GB/T159
1 GB/T69
-----140～280 130～210
≥215 ≥245 ≥325 ≥205 ≥245 ≥400 ≥185
≥270 ≥270 ≥270 360～510 430～580 510～680 330～430 400～510 ≥540 310～540
≤0.35 ≤1.40 ≤0.035 ≤0.035 ------
Q195 Q215A Q215B Q235A Q235B Q235C Q235D SAE1008 SAE1010 SAE1020 SAE1022
10 20 45 37Mn5 40Cr Q345B (16Mn) Q345C (16MnAl) 25Mn
C ≤0.15
≤0.12
≤0.15 ≤0.10 ≤0.08 ≤0.17 ≤0.20 ≤0.20 ≤0.15 ≤0.21 ≤0.30 ------
≤440
------------------------------≤0.30 ≤0.30 ≤0.25 ------
≤0.60 ≤0.50 ≤0.40 ≤1.00 ≤1.30 ≤1.60 ≤0.95 ≤1.40 ≤1.60 ------
≤0.025 ≤0.10 -----≤0.025 ≤0.035 ≥0.015 ≤0.020 ≤0.025 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.030 ≤0.035 ≥0.015 ≤0.035 ≤0.035 -----≤0.035 ≤0.035 -----≤0.035 ≤0.035 -----≤0.040 ≤0.040 ------