常用钢材牌号及化学成分表

1、常常用用钢钢材材的的牌牌号号和和化化学学成成分分数数据据库库钢材种类牌号化学成分（质量分数）/ %CSiMnPSCr 碳素结构钢Q1950.120.300.500.0350.040/ 碳素结构钢Q215A0.150.351.200.0450.050/ 碳素结构钢Q215B0.150.351.200.0450.045/ 碳素结构钢Q235A0.220.351.400.0450.050/ 碳素结构钢Q235B0.200.351.400.0450.045/ 碳素结构钢Q235C0.170.351.400.0400.040/ 碳素结构钢Q235D0.170.351.400.0350.030/ 碳素结构

2、钢Q275A0.240.351.500.0450.050/ 碳素结构钢Q275B0.210.351.500.0450.045备注：厚度或直径40mm 碳素结构钢Q275B0.220.351.500.0450.045备注：厚度或直径40mm 碳素结构钢Q275C0.200.351.500.0400.040/ 碳素结构钢Q275D0.200.351.500.0350.035/优质碳素结构钢08F0.05-0.11 0.03 0.25-0.50 0.0350.0350.10优质碳素结构钢10F0.07-0.13 0.07 0.25-0.50 0.0350.0350.15优质碳素结构钢15F0.12-

3、0.18 0.07 0.25-0.50 0.0350.0350.20优质碳素结构钢08#0.05-0.110.17-0.370.35-0.65 0.0350.0350.10优质碳素结构钢10#0.07-0.130.17-0.370.35-0.65 0.0350.0350.15优质碳素结构钢15#0.12-0.180.17-0.370.35-0.65 0.0350.0350.20优质碳素结构钢20#0.17-0.230.17-0.370.35-0.65 0.0350.0350.20优质碳素结构钢25#0.22-0.290.17-0.370.50-0.80 0.0350.0350.20优质碳素结构

4、钢30#0.27-0.340.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢35#0.32-0.390.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢40#0.37-0.440.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢45#0.42-0.500.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢50#0.47-0.550.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢55#0.52-0.600.17-0.370.50-0.80 0.0350.0

5、350.20优质碳素结构钢60#0.57-0.650.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢65#0.62-0.700.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢70#0.67-0.750.17-0.370.50-0.80 0.0350.0350.20优质碳素结构钢20Mn0.17-0.230.17-0.370.70-1.00 0.0350.0350.20优质碳素结构钢25Mn0.22-0.290.17-0.370.70-1.00 0.0350.0350.20优质碳素结构钢30Mn0.27-0.340.17-0.370.7

6、0-1.00 0.0350.0350.20优质碳素结构钢40Mn0.37-0.440.17-0.370.70-1.00 0.0350.0350.20优质碳素结构钢50Mn0.47-0.560.17-0.370.70-1.00 0.0350.0350.20优质碳素结构钢60Mn0.57-0.650.17-0.370.70-1.00 0.0350.0350.20优质碳素结构钢65Mn0.62-0.700.17-0.370.90-1.20 0.0350.0350.20优质合金结构钢20Mn20.17-0.240.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢30Mn20

7、.27-0.340.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢35Mn20.32-0.390.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢40Mn20.37-0.440.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢45Mn20.42-0.490.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢50Mn20.47-0.550.17-0.371.40-1.80 0.0350.0350.30优质合金结构钢20MnV0.17-0.240.17-0.371.30-1.60 0.0

8、350.0350.30优质合金结构钢27SiMn 0.24-0.321.10-1.401.10-1.40 0.0350.0350.30优质合金结构钢35SiMn 0.32-0.391.10-1.401.10-1.40 0.0350.0350.30优质合金结构钢42SiMn 0.39-0.451.10-1.401.10-1.40 0.0350.0350.30优质合金结构钢20SiMn2MoV0.17-0.230.90-1.202.20-2.60 0.0350.0350.30优质合金结构钢25SiMn2MoV0.22-0.280.90-1.202.20-2.60 0.0350.0350.30优质合

9、金结构钢37SiMn2MoV0.33-0.390.60-0.901.60-1.90 0.0350.0350.30优质合金结构钢40B0.37-0.440.17-0.370.60-0.90 0.0350.0350.30优质合金结构钢45B0.42-0.490.17-0.370.60-0.90 0.0350.0350.30优质合金结构钢50B0.47-0.550.17-0.370.60-0.90 0.0350.0350.30优质合金结构钢40MnB0.37-0.440.17-0.371.10-1.40 0.0350.0350.30优质合金结构钢45MnB0.42-0.490.17-0.371.10

10、-1.40 0.0350.0350.30优质合金结构钢20MnMoB 0.16-0.220.17-0.370.90-1.20 0.0350.0350.30优质合金结构钢15MnVB 0.12-0.180.17-0.371.20-1.60 0.0350.0350.30优质合金结构钢20MnVB 0.17-0.230.17-0.371.20-1.60 0.0350.0350.30优质合金结构钢40MnVB 0.37-0.440.17-0.371.10-1.40 0.0350.0350.30优质合金结构钢20MnTiB 0.17-0.240.17-0.371.30-1.60 0.0350.0350.

11、30优质合金结构钢15Cr0.12-0.180.17-0.370.40-0.70 0.0350.035 0.70-1.00优质合金结构钢15CrA0.12-0.170.17-0.370.40-0.70 0.0250.025 0.70-1.00优质合金结构钢20Cr0.18-0.240.17-0.370.50-0.80 0.0350.035 0.70-1.00优质合金结构钢30Cr0.27-0.340.17-0.370.50-0.80 0.0350.035 0.80-1.10优质合金结构钢35Cr0.32-0.390.17-0.370.50-0.80 0.0350.035 0.80-1.10优质

12、合金结构钢40Cr0.37-0.440.17-0.370.50-0.80 0.0350.035 0.80-1.10优质合金结构钢45Cr0.42-0.490.17-0.370.50-0.80 0.0350.035 0.80-1.10优质合金结构钢50Cr0.47-0.540.17-0.370.50-0.80 0.0350.035 0.80-1.10优质合金结构钢38CrSi 0.35-0.431.00-1.300.30-0.60 0.0350.035 1.30-1.60优质合金结构钢12CrMo 0.08-0.150.17-0.370.40-0.70 0.0350.035 0.40-0.70优

13、质合金结构钢15CrMo 0.12-0.180.17-0.370.40-0.70 0.0350.035 0.80-1.10优质合金结构钢20CrMo 0.17-0.240.17-0.370.40-0.70 0.0350.035 0.80-1.10优质合金结构钢30CrMo 0.26-0.340.17-0.370.40-0.70 0.0350.035 0.80-1.10优质合金结构钢30CrMoA 0.26-0.330.17-0.370.40-0.70 0.0250.025 0.80-1.10优质合金结构钢35CrMo 0.32-0.400.17-0.370.40-0.70 0.0350.035

14、 0.80-1.10优质合金结构钢40CrMo 0.38-0.450.17-0.370.50-0.80 0.0350.035 0.90-1.20优质合金结构钢12CrMoV 0.08-0.150.17-0.370.40-0.70 0.0350.035 0.30-0.60优质合金结构钢35CrMoV 0.30-0.380.17-0.370.40-0.70 0.0350.035 1.00-1.30优质合金结构钢12Cr1MoV 0.08-0.150.17-0.370.40-0.70 0.0350.035 0.90-1.20优质合金结构钢25Cr2MoVA0.22-0.290.17-0.370.40

15、-0.70 0.0250.025 1.50-1.80优质合金结构钢25Cr2Mo1VA0.22-0.290.17-0.370.50-0.80 0.0250.025 2.10-2.50优质合金结构钢38CrMoAl 0.35-0.420.20-0.450.30-0.60 0.0350.035 1.35-1.65优质合金结构钢40CrV0.37-0.440.17-0.370.50-0.80 0.0350.035 0.80-1.10优质合金结构钢50CrVA 0.47-0.540.17-0.370.50-0.80 0.0250.025 0.80-1.10优质合金结构钢15CrMn 0.12-0.18

16、0.17-0.371.10-1.40 0.0350.035 0.40-0.70优质合金结构钢20CrMn 0.17-0.230.17-0.370.90-1.20 0.0350.035 0.90-1.20优质合金结构钢40CrMn 0.37-0.450.17-0.370.90-1.20 0.0350.035 0.90-1.20优质合金结构钢20CrMnSi 0.17-0.230.90-1.200.80-1.10 0.0350.035 0.80-1.10优质合金结构钢25CrMnSi 0.22-0.280.90-1.200.80-1.10 0.0350.035 0.80-1.10优质合金结构钢30

17、CrMnSi 0.27-0.340.90-1.200.80-1.10 0.0350.035 0.80-1.10优质合金结构钢30CrMnSiA0.28-0.340.90-1.200.80-1.10 0.0250.025 0.80-1.10优质合金结构钢35CrMnSiA0.32-0.391.10-1.400.80-1.10 0.0250.025 1.10-1.40优质合金结构钢20CrMnMo 0.17-0.230.17-0.370.90-1.20 0.0350.035 1.10-1.40优质合金结构钢40CrMnMo 0.37-0.450.17-0.370.90-1.20 0.0350.03

18、5 0.90-1.20优质合金结构钢20CrMnTi 0.17-0.230.17-0.370.80-1.10 0.0350.035 1.00-1.30优质合金结构钢30CrMnTi 0.24-0.320.17-0.370.80-1.10 0.0350.035 1.00-1.30优质合金结构钢20CrNi 0.17-0.230.17-0.370.40-0.70 0.0350.035 0.45-0.75优质合金结构钢40CrNi 0.37-0.440.17-0.370.50-0.80 0.0350.035 0.45-0.75优质合金结构钢45CrNi 0.42-0.490.17-0.370.50-

19、0.80 0.0350.035 0.45-0.75优质合金结构钢50CrNi 0.47-0.540.17-0.370.50-0.80 0.0350.035 0.45-0.75优质合金结构钢12CrNi2 0.10-0.170.17-0.370.30-0.60 0.0350.035 0.60-0.90优质合金结构钢12CrNi3 0.10-0.170.17-0.370.30-0.60 0.0350.035 0.60-0.90优质合金结构钢20CrNi3 0.17-0.240.17-0.370.30-0.60 0.0350.035 0.60-0.90优质合金结构钢30CrNi3 0.27-0.33

20、0.17-0.370.30-0.60 0.0350.035 0.60-0.90优质合金结构钢37CrNi3 0.34-0.410.17-0.370.30-0.60 0.0350.035 1.20-1.60优质合金结构钢12Cr2Ni4 0.10-0.160.17-0.370.30-0.60 0.0350.035 1.25-1.65优质合金结构钢20Cr2Ni4 0.17-0.230.17-0.370.30-0.60 0.0350.035 1.25-1.65优质合金结构钢20CrNiMo 0.17-0.230.17-0.370.60-0.95 0.0350.035 0.40-0.70优质合金结构

21、钢40CrNiMoA0.37-0.440.17-0.370.50-0.80 0.0250.025 0.60-0.90优质合金结构钢45CrNiMoVA0.42-0.490.17-0.370.50-0.80 0.0250.025 0.80-1.10优质合金结构钢18CrNiMnMoA0.15-0.200.17-0.371.10-1.40 0.0250.025 1.00-1.30优质合金结构钢18Cr2Ni4WA0.13-0.190.17-0.370.30-0.60 0.0250.025 1.35-1.65优质合金结构钢25Cr2Ni4WA0.21-0.280.17-0.370.30-0.60 0

22、.0250.025 1.35-1.65合金结构钢薄钢板12Mn2A 0.08-0.170.17-0.371.20-1.60 0.0300.030/合金结构钢薄钢板16Mn2A 0.12-0.200.17-0.372.00-2.40 0.0300.030/合金结构钢薄钢板38CrA0.34-0.420.17-0.370.50-0.80 0.0300.030 0.80-1.10弹簧钢65#0.62-0.700.17-0.370.50-0.80 0.0350.0350.25弹簧钢70#0.67-0.750.17-0.370.50-0.80 0.0350.0350.25弹簧钢85#0.82-0.900

23、.17-0.370.50-0.80 0.0350.0350.25弹簧钢65Mn0.62-0.700.17-0.370.90-1.20 0.0350.0350.25弹簧钢20MnSiB 0.24-0.320.60-1.001.20-1.60 0.0350.0350.25弹簧钢55SiMnVB 0.52-0.600.70-1.001.00-1.30 0.0350.0350.35弹簧钢60Si2Mn 0.56-0.641.50-2.000.70-1.00 0.0350.0350.35弹簧钢60Si2MnA 0.56-0.641.60-2.000.70-1.00 0.0250.0250.35弹簧钢60

24、Si2CrA 0.56-0.641.40-1.800.40-0.70 0.0250.025 0.70-1.00弹簧钢 60Si2CrVA0.56-0.641.40-1.800.40-0.70 0.0250.025 0.90-1.20弹簧钢55SiCrA 0.51-0.591.20-1.600.50-0.80 0.0250.025 0.50-0.80弹簧钢55CrMnA 0.52-0.600.17-0.370.65-0.95 0.0250.025 0.65-0.95弹簧钢60CrMnA 0.56-0.640.17-0.370.70-1.00 0.0250.025 0.70-1.00弹簧钢60Cr

25、MnBA 0.56-0.640.17-0.370.70-1.00 0.0250.025 0.70-1.00弹簧钢50CrVA 0.46-0.540.17-0.370.50-0.80 0.0250.025 0.80-1.10弹簧钢 30W4Cr2VA0.26-0.340.17-0.37 0.400.0250.025 2.00-2.50高温合金钢螺栓钢材SNB50.101.001.000.0400.030 4.00-6.00高温合金钢螺栓钢材SNB70.38-0.480.20-0.350.75-1.00 0.0400.040 0.80-1.10高温合金钢螺栓钢材SNB160.36-0.440.20

26、-0.350.45-0.70 0.0400.040 0.80-1.15高温合金钢螺栓钢材SMn420H 0.16-0.230.15-0.351.15-1.55 0.0300.0300.35高温合金钢螺栓钢材SMn433H 0.29-0.360.15-0.351.15-1.55 0.0300.0300.35高温合金钢螺栓钢材SMn438H 0.34-0.410.15-0.351.30-1.70 0.0300.0300.35高温合金钢螺栓钢材SMn443H 0.39-0.460.15-0.351.30-1.70 0.0300.0300.35高温合金钢螺栓钢材SMnC420H 0.16-0.230.

27、15-0.351.15-1.55 0.0300.030 0.35-0.70高温合金钢螺栓钢材SMnC443H 0.39-0.460.15-0.351.30-1.70 0.0300.030 0.35-0.70高温合金钢螺栓钢材SCr415H 0.12-0.180.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCr420H 0.17-0.230.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCr430H 0.27-0.340.15-0.350.55-0.95 0.0300.030 0.85-1.25高温

28、合金钢螺栓钢材SCr435H 0.32-0.390.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCr440H 0.37-0.440.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM415H 0.12-0.180.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM418H 0.15-0.210.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM420H 0.17-0.230.15-0.350.55-0.

29、95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM425H 0.23-0.280.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM435H 0.32-0.390.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM440H 0.37-0.440.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM445H 0.42-0.490.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SCM822H

30、0.19-0.250.15-0.350.55-0.95 0.0300.030 0.85-1.25高温合金钢螺栓钢材SNC415H 0.11-0.180.15-0.350.30-0.70 0.0300.030 0.20-0.55高温合金钢螺栓钢材SNC631H 0.26-0.350.15-0.350.30-0.70 0.0300.030 0.55-1.05高温合金钢螺栓钢材SNC815H 0.11-0.180.15-0.350.30-0.70 0.0300.030 0.55-1.05高温合金钢螺栓钢材SNCM220H 0.17-0.230.15-0.350.60-0.95 0.0300.030

31、0.35-0.65高温合金钢螺栓钢材SNCM420H 0.17-0.230.15-0.350.40-0.70 0.0300.030 0.35-0.65机械结构用碳素钢S10C0.08-0.130.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S12C0.10-0.150.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S15C0.13-0.180.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S17C0.15-0.200.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S

32、20C0.18-0.230.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S22C0.20-0.250.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S25C0.22-0.280.15-0.350.30-0.60 0.0300.0350.20机械结构用碳素钢S28C0.25-0.310.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S30C0.27-0.330.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S33C0.30-0.360.15-0.350.60-0.90

33、 0.0300.0350.20机械结构用碳素钢S35C0.32-0.380.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S38C0.35-0.410.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S40C0.37-0.430.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S43C0.40-0.460.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S45C0.42-0.480.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S48C0.4

34、5-0.510.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S50C0.47-0.530.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S53C0.50-0.560.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S55C0.52-0.580.15-0.350.60-0.90 0.0300.0350.20机械结构用碳素钢S58C0.55-0.610.15-0.350.60-0.90 0.0300.0350.20结构钢SCMV10.210.40 0.55-0.80 0.0300.030 0.55-0.

35、80结构钢SCMV20.170.40 0.40-0.65 0.0300.030 0.80-1.15结构钢SCMV30.17 0.50-0.800.40-0.65 0.0300.030 1.00-1.50结构钢SCMV40.170.50 0.30-0.60 0.0300.030 2.00-2.50结构钢SCMV50.170.50 0.30-0.60 0.0300.030 2.75-3.25结构钢SCMV60.150.50 0.30-0.60 0.0300.030 4.00-6.00优质碳素工具钢T70.65-0.74 0.350.400.0350.0300.25优质碳素工具钢T80.75-0.8

36、4 0.350.400.0350.0300.25优质碳素工具钢T8Mn0.80-0.90 0.35 0.40-0.60 0.0350.0300.25优质碳素工具钢T90.85-0.94 0.350.400.0350.0300.25优质碳素工具钢T100.95-1.04 0.350.400.0350.0300.25优质碳素工具钢T111.05-1.14 0.350.400.0350.0300.25优质碳素工具钢T121.15-1.24 0.350.400.0350.0300.25优质碳素工具钢T131.25-1.35 0.350.400.0350.0300.25高级优质碳素工具钢T7A0.65-

37、0.74 0.350.400.0300.0200.25高级优质碳素工具钢T8A0.75-0.84 0.350.400.0300.0200.25高级优质碳素工具钢T8MnA0.80-0.90 0.35 0.40-0.60 0.0300.0200.25高级优质碳素工具钢T9A0.85-0.94 0.350.400.0300.0200.25高级优质碳素工具钢T10A0.95-1.04 0.350.400.0300.0200.25高级优质碳素工具钢T11A1.05-1.14 0.350.400.0300.0200.25高级优质碳素工具钢T12A1.15-1.24 0.350.400.0300.0200

38、.25高级优质碳素工具钢T13A1.25-1.35 0.350.400.0300.0200.25量具刃具钢9SiCr0.85-0.951.20-1.600.30-0.60 0.0300.030 0.95-1.25量具刃具钢8MnSi0.75-0.850.30-0.600.80-1.10 0.0300.030/量具刃具钢Cr061.30-1.45 0.400.400.0300.030 0.50-0.70量具刃具钢Cr20.95-1.10 0.400.400.0300.030 1.30-1.65量具刃具钢9Cr20.80-0.95 0.400.400.0300.030 1.30-1.70量具刃具钢

39、W1.05-1.25 0.400.400.0300.030 0.10-0.30耐冲击工具钢4CrW2Si 0.35-0.450.80-1.10 0.400.0300.030 1.10-1.30耐冲击工具钢5CrW2Si 0.45-0.550.50-0.80 0.400.0300.030 1.10-1.30耐冲击工具钢6CrW2Si 0.55-0.650.50-0.80 0.400.0300.030 1.10-1.30耐冲击工具钢6CrMnSi-2Mo1V0.50-0.651.75-2.250.60-1.00 0.0300.030 0.10-0.50耐冲击工具钢 5CrMnSi-Mo1V0.45

40、-0.550.20-1.000.20-0.90 0.0300.030 3.00-3.50冷作模具钢Cr122.00-2.30 0.400.400.0300.030 11.5-13.0冷作模具钢Cr12Mo1V11.40-1.60 0.600.600.0300.030 11.0-13.0冷作模具钢Cr12MoV 1.45-1.70 0.400.400.0300.030 11.0-12.5冷作模具钢Cr5Mo1V 0.95-1.05 0.501.000.0300.030 4.75-5.50冷作模具钢9Mn2V0.85-0.95 0.40 1.70-2.00 0.0300.030/冷作模具钢CrWM

41、n0.90-1.05 0.40 0.80-1.10 0.0300.030 0.90-1.20冷作模具钢9CrWMn 0.85-0.95 0.40 0.90-1.20 0.0300.030 0.50-0.80冷作模具钢Cr4W2MoV 1.12-1.250.40-0.70 0.400.0300.030 3.50-4.00冷作模具钢7CrSiMnMoV0.65-0.750.85-1.150.65-1.05 0.0300.030 0.90-1.20冷作模具钢6Cr4W3Mo-2VNb0.60-0.70 0.400.400.0300.030 3.80-4.40冷作模具钢6W6Mo-5Cr4V0.55-

42、0.65 0.400.600.0300.030 3.70-4.30NiCuMoBAlVWTi/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.25/0.300.30/0.300.30/0.300.30/0.300.30/0

43、.300.30/0.300.30/0.300.30/0.07-0.12/0.300.30/0.300.30/0.300.30/0.300.30 0.30-0.40/0.05-0.12/0.300.30 0.30-0.40/0.05-0.12/0.300.30 0.40-0.50/0.05-0.12/常常用用钢钢材材的的牌牌号号和和化化学学成成分分数数据据库库化学成分（质量分数）/ %备注：厚度或直径40mm备注：厚度或直径40mm0.300.30/0.0005-0.0035/0.300.30/0.0005-0.0035/0.300.30/0.0005-0.0035/0.300.30/0.000

44、5-0.0035/0.300.30/0.0005-0.0035/0.300.30 0.20-0.300.0005-0.0035/0.300.30/0.0005-0.0035/0.07-0.12/0.300.30/0.0005-0.0035/0.07-0.12/0.300.30/0.0005-0.0035/0.05-0.10/0.300.30/0.0005-0.0035/0.04-0.100.300.30/0.300.25/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30 0.40-0.55/0.300

45、.30 0.40-0.55/0.300.30 0.15-0.25/0.300.30 0.15-0.25/0.300.25 0.15-0.25/0.300.30 0.15-0.25/0.300.30 0.15-0.25/0.300.30 0.25-0.35/0.15-0.30/0.300.30 0.20-0.30/0.10-0.20/0.300.30 0.25-0.35/0.15-0.30/0.300.25 0.25-0.35/0.15-0.30/0.300.25 0.90-1.10/0.30-0.50/0.300.30 0.15-0.25/0.70-1.10/0.300.30/0.10-0.2

46、0/0.300.25/0.10-0.20/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30/0.300.30/0.300.25/0.300.25/0.300.30 0.20-0.30/0.300.30 0.20-0.30/0.300.30/0.04-0.100.300.30/0.04-0.101.00-1.40 0.30/1.00-1.40 0.30/1.00-1.40 0.30/1.00-1.40 0.30/1.50-1.90 0.30/2.75-3.15 0.30/2.75-3.15 0.30/2.75-3.15 0.30/3.00-3.50 0.3

47、0/3.25-3.65 0.30/3.25-3.65 0.30/0.35-0.75 0.30 0.20-0.30/1.25-1.65 0.25 0.15-0.25/1.30-1.80 0.25 0.20-0.30/0.10-0.20/1.00-1.30 0.25 0.20-0.30/4.00-4.50 0.25/0.80-1.20/4.00-4.50 0.25/0.80-1.20/0.25/0.25/0.25/0.250.25/0.250.25/0.250.25/0.250.25/0.350.250.0005-0.00350.350.25/0.0005-0.0035/0.08-0.16/0.3

48、50.25/0.350.25/0.350.25/0.350.25/0.10-0.20/0.350.25/0.350.25/0.350.25/0.350.25/0.0005-0.0040/0.350.25/0.10-0.20/0.350.25/0.50-0.804.00-4.50/0.40-0.65/0.15-0.25/0.50-0.65/0.25-0.35/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30 0.15-0.30/0.

49、250.30 0.15-0.30/0.250.30 0.15-0.30/0.250.30 0.15-0.30/0.250.30 0.15-0.30/0.250.30 0.15-0.30/0.250.30 0.15-0.30/0.250.30 0.35-0.45/0.250.30/0.250.30/0.250.30/0.35-0.75 0.30 0.15-0.30/1.55-2.00 0.30 0.15-0.30/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经

50、供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也

51、可以。/备注：经供需双方协商，Cr0.30也可以。/备注：经供需双方协商，Cr0.30也可以。/0.45-0.60/0.45-0.60/0.45-0.65/0.90-1.10/0.90-1.10/0.45-0.65/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.25

52、0.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.200.250.20/0.0200.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.250.30/0.80-1.20/0.250.30/2.00-2.50/0.250.30/2.00-2.50/0.250.30/2.20-2.70/0.2

53、50.30 0.20-1.35/0.15-0.35/0.250.30 1.30-1.80/0.35/0.250.030/0.250.030 0.70-1.20/1.00/0.250.030 0.40-0.60/0.15-0.30/0.250.030 0.90-1.40/0.15-0.50/0.250.030/0.10-0.25/0.250.030/1.20-1.60/0.250.030/0.50-0.80/0.250.030 0.80-1.20/0.80-1.101.90-2.60/0.250.030 0.20-0.50/0.15-0.30/0.250.030 1.80-2.50/0.80-1

54、.202.50-3.50/0.250.030 4.50-5.50/0.70-1.106.00-7.00/引用标准其他/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 700-2006/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/

55、T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 711-2008/GB/T 3077-1999/GB/T 3077-1999/GB/T 30

56、77-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999常常用用钢钢材材的的牌牌号号和和化化学学成成分分数数据据库库化学成分（质量分数）/ %/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077

57、-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/T 3077-1999/GB/