钢牌号及化学成分

1、钢钢牌牌号号及及化化学学成成分分一、结构钢牌号及化学成分1、普通碳素结构钢牌号及化学成分：执行标准牌号化学成分（%）C CSiSiMnMnP P S S GB700-1988GB700-1988Q195Q1950.060.120.120.300.250.500.0450.050Q215AQ215A0.090.150.120.300.250.550.0450.050Q315BQ315B0.090.150.120.300.250.550.0450.045Q235AQ235A0.140.220.120.300.300.650.0450.050Q335BQ335B0.120.200.120.300.3

2、00.700.0450.045Q235CQ235C0.180.120.300.350.800.0400.040Q235DQ235D0.170.120.300.350.800.0300.030Q255AQ255A0.180.280.120.300.400.700.0450.050Q255BQ255B0.180.280.120.300.400.700.0450.045Q275Q2750.280.380.150.350.50.800.0450.0502、优质碳素结构钢牌号及化学成分：执行标准牌号化学成分（%）C CSiSiMnMnP P S S CrCrNiNiGB/T69908F 0.050.11

3、0.030.250.500.0350.0350.10.3GB/T69910F0.070.130.070.250.500.0350.0350.150.3GB/T69915F0.120.180.070.250.500.0350.0350.250.3GB/T69980.050.110.170.370.350.650.0350.0350.10.3GB/T699100.070.130.170.370.350.650.0350.0350.150.3GB/T699150.120.180.170.370.350.650.0350.0350.250.3GB/T699200.170.230.170.370.350

4、.650.0350.0350.250.3GB/T699250.220.290.170.370.500.800.0350.0350.250.3GB/T699300.270.340.170.370.500.800.0350.0350.250.3GB/T699350.320.390.170.370.500.800.0350.0350.250.3GB/T699400.370.440.170.370.500.800.0350.0350.250.3GB/T699450.420.500.170.370.500.800.0350.0350.250.3GB/T699500.470.550.170.370.500

5、.800.0350.0350.250.3GB/T699550.520.600.170.370.500.800.0350.0350.250.3GB/T699600.570.650.170.370.500.800.0350.0350.250.3GB/T699650.620.700.170.370.500.800.0350.0350.250.3GB/T699700.670.750.170.370.500.800.0350.0350.250.3GB/T699750.720.800.170.370.500.800.0350.0350.250.3GB/T699800.770.850.170.370.500

6、.800.0350.0350.250.3GB/T699850.820.900.170.370.500.800.0350.0350.250.3GB/T699Mn150.120.180.170.370.701.000.0350.0350.250.3GB/T699Mn200.170.230.170.370.701.000.0350.0350.250.3GB/T699Mn250.220.290.170.370.701.000.0350.0350.250.3GB/T699Mn300.270.340.170.370.701.000.0350.0350.250.3GB/T699Mn350.320.390.1

7、70.370.701.000.0350.0350.250.3GB/T699Mn400.370.440.170.370.701.000.0350.0350.250.3GB/T699Mn450.420.500.170.370.701.000.0350.0350.250.3GB/T699Mn500.480.560.170.370.701.000.0350.0350.250.3GB/T699Mn600.570.650.170.370.701.000.0350.0350.250.3GB/T699Mn650.620.700.170.370.901.200.0350.0350.250.3GB/T699Mn7

8、00.670.750.170.370.901.200.0350.0350.250.33、低合金高度结构钢号及化学成分：执行标准牌号化学成分（%）CMnSiPSCrNiGB/T1591Q295A0.160.801.500.550.0450.045GB/T1591Q395B0.160.801.500.550.040.04GB/T1591Q345A0.20.101.600.550.0450.045GB/T1591Q345B0.20.101.600.550.040.04GB/T1591Q345C0.20.101.600.550.0350.035GB/T1591Q345D0.180.101.600.55

9、0.030.03GB/T1591Q345E0.180.101.600.550.0250.025GB/T1591Q345A0.20.101.600.550.0450.0450.30.7GB/T1591Q390B0.20.101.600.550.040.040.30.7GB/T1591Q390C0.20.101.600.550.0350.0350.30.7GB/T1591Q390D0.20.101.600.550.030.030.30.7GB/T1591Q390E0.20.101.600.550.0250.0250.30.7GB/T1591Q420A0.21.001.700.550.0450.04

10、50.40.7GB/T1591Q420B0.21.001.700.550.040.040.40.7GB/T1591Q420C0.21.001.700.550.0350.0350.40.7GB/T1591Q420D0.181.001.700.550.030.030.40.7GB/T1591Q420E0.181.001.700.550.0250.0250.40.7GB/T1591Q460C0.21.001.700.550.0350.0350.70.7GB/T1591Q460D0.21.001.700.550.030.030.70.7GB/T1591Q460E0.21.001.700.550.030

11、.030.70.74、合金机构钢牌号及化学成分（1）、锰合金机构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307720Mn20.170.240.170.371.401.800.0350.0350.30.3GB/T307730Mn20.270.340.170.371.401.800.0350.0350.30.3GB/T307735Mn20.320.390.170.371.401.800.0350.0350.30.3GB/T307740Mn20.370.440.170.371.401.800.0350.0350.30.3GB/T307745Mn20.420.490.

12、170.371.401.800.0350.0350.30.3GB/T307750Mn20.470.550.170.371.401.800.0350.0350.30.3(2)、锰钒合金结构钢牌号及化学成分：GB/T1591Q345B0.20.101.600.550.040.04GB/T1591Q345C0.20.101.600.550.0350.035GB/T1591Q345D0.180.101.600.550.030.03GB/T1591Q345E0.180.101.600.550.0250.025GB/T1591Q345A0.20.101.600.550.0450.0450.30.7GB/T

13、1591Q390B0.20.101.600.550.040.040.30.7GB/T1591Q390C0.20.101.600.550.0350.0350.30.7GB/T1591Q390D0.20.101.600.550.030.030.30.7GB/T1591Q390E0.20.101.600.550.0250.0250.30.7GB/T1591Q420A0.21.001.700.550.0450.0450.40.7GB/T1591Q420B0.21.001.700.550.040.040.40.7GB/T1591Q420C0.21.001.700.550.0350.0350.40.7GB

14、/T1591Q420D0.181.001.700.550.030.030.40.7GB/T1591Q420E0.181.001.700.550.0250.0250.40.7GB/T1591Q460C0.21.001.700.550.0350.0350.70.7GB/T1591Q460D0.21.001.700.550.030.030.70.7GB/T1591Q460E0.21.001.700.550.030.030.70.74、合金机构钢牌号及化学成分（1）、锰合金机构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307720Mn20.170.240.170.371

15、.401.800.0350.0350.30.3GB/T307730Mn20.270.340.170.371.401.800.0350.0350.30.3GB/T307735Mn20.320.390.170.371.401.800.0350.0350.30.3GB/T307740Mn20.370.440.170.371.401.800.0350.0350.30.3GB/T307745Mn20.420.490.170.371.401.800.0350.0350.30.3GB/T307750Mn20.470.550.170.371.401.800.0350.0350.30.3（2）、锰钒合金结构钢牌

16、号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307720MnV1.700.241.700.371.301.600.0350.0350.30.3（3）、硅锰合金结构钢牌号及化学成分执行标准牌号化学成分(%)CSiMnPSCrGB/T307727SiMn0.240.321.101.401.101.400.0350.0350.3GB/T307735SiMn0.320.401.101.401.101.400.0350.0350.3GB/T307742SiMn0.390.451.101.401.101.400.0350.0350.3（4）、硅锰钼矾合金结构钢牌号及化学成分执行标

17、准牌号化学成分(%)CSiMnPSCrNiGB/T307720SiMn2MoV0.170.230.901.202.202.600.0350.0350.30.3GB/T307825SiMn3MoV0.220.280.901.202.202.600.0350.0350.30.3GB/T3078 37SiMn3MoV 0.330.39 0.901.20 1.601.90 0.035 0.035 0.3 0.3 0.3 0.400.50 0.050.12(5)、硼合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307740B0.370.440.170.370.600.

18、900.0350.0350.30.3GB/T307745B0.420.490.170.370.600.900.0350.0350.30.3GB/T307750B0.470.550.170.370.600.900.0350.0350.30.3（6）、锰硼合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307740MnB0.370.440.170.371.101.400.0350.0350.30.3GB/T307745MnB0.420.490.170.371.101.400.0350.0350.30.3(7)、锰钼合金结构钢牌号及化学成分：执行标准牌号化学成分(%

19、)CSiMnPSCrNiGB/T307720MnMoB0.160.220.170.370.600.900.0350.0350.30.3(8)、锰矾硼合金机构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T307715MnVB0.120.180.170.371.201.600.0350.0350.30.3GB/T307720MnVB0.170.230.170.371.101.400.0350.0350.30.3GB/T307740MnVB0.370.440.170.371.301.500.0350.0350.30.3（9）、锰钛合金结构钢牌号及化学成分：执行标准牌号化学

20、成分(%)CSiMnPSCrNiGB/T307720MnTiB0.170.240.170.371.301.500.0350.0350.30.3GB/T307725MnTiBRE0.220.280.200.451.301.600.0350.0350.30.3(10)、钼铬金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrPSNiGB/T307715Cr0.120.180.170.370.400.700.701.000.0350.0350.3GB/T307715CrA0.120.170.170.370.400.700.701.000.0250.0250.3GB/T307720Cr0.

21、180.240.170.370.500.800.701.000.0350.0350.3GB/T307730Cr0.270.340.170.370.500.800.801.100.0350.0350.3GB/T307735Cr0.320.390.170.370.500.800.801.100.0350.0350.3GB/T307740Cr0.370.440.170.370.500.800.801.100.0350.0350.3GB/T307745Cr0.420.490.170.370.500.800.801.100.0350.0350.3GB/T307750Cr0.470.540.170.370

22、.500.700.801.100.0350.0350.3(11)、铬硅合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrMoPSGB/T307712CrMo0.800.120.170.370.400.700.400.700.400.550.0350.035GB/T307715CrMo0.120.180.170.370.400.700.801.100.400.550.0350.035GB/T307720CrMo0.170.240.170.370.400.700.801.100.150.250.0350.035GB/T307730CrMo0.260.340.170.370.400.

23、700.801.100.150.250.0350.035GB/T307730CrMoA0.260.330.170.370.400.700.801.100.150.250.0250.025GB/T307735CrMo0.320.400.170.370.400.700.801.100.150.250.0350.035GB/T307742CrMo0.380.450.170.370.500.800.901.200.150.250.0350.035（12）、铬钼合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrPSNiGB/T307742CrSi0.350.431.001.300.300.

24、601.301.600.0350.0350.3(13)、铬钼矾合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrMoPSGB/T307712CrMoV0.080.150.170.370.400.700.300.600.250.350.0350.035GB/T307735CrMoV0.300.380.170.370.400.701.001.300.200.300.0350.035GB/T307712Cr1MoV0.080.150.170.370.400.700.901.200.250.350.0350.035GB/T307725Cr2MoVA0.220.290.170.370.4

25、00.701.501.800.250.350.0250.025GB/T307725Cr2Mo1VA0.220.290.170.370.500.802.102.500.901.100.0250.025（14）、铬钼铝合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrMoPSGB/T307738CrMoVA10.350.420.200.450.300.601.351.650.150.250.0350.035（15）、铬矾合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrPSNiGB/T307740CrV0.370.440.170.370.500.800.801.100

26、.0350.0350.3GB/T307750CrVA0.470.540.170.370.500.800.801.100.0250.0250.3（16）、铬锰合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrPSNiGB/T307715CrMn0.120.180.170.371.101.400.400.700.0350.0350.3GB/T307720CrMn0.170.230.170.370.901.200.901.200.0250.0250.3GB/T307742CrMn0.370.450.170.370.901.200.901.200.0350.0350.3(17)、铬锰硅合

27、金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrPSNiGB/T307720CrMnSi0.170.230.901.200.801.100.801.100.0350.0350.3GB/T307725CrMnSi0.220.280.901.200.801.100.801.100.0350.0350.3GB/T307730CrMnSi0.270.340.901.200.801.100.801.100.0350.0350.3GB/T307731CrMnSiA0.280.340.901.200.801.100.801.100.0250.0250.3GB/T307732CrMnSiA0.3

28、20.391.101.400.801.101.101.400.0250.0250.3(18)、铬锰钼合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrMoPSGB/T307720CrMoNo0.170.230.170.370.901.201.101.400.200.300.0350.035GB/T307740CrMoNo0.370.440.170.370.901.200.901.200.200.300.0350.035（19）、铬镍合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrNiPSGB/T307720CrNi0.170.230.170.370.400.70

29、0.450.751.001.400.0350.035GB/T307740CrNi0.370.440.170.370.500.800.450.751.001.400.0350.035GB/T307745CrNi0.420.490.170.370.500.800.450.751.001.400.0350.035GB/T307750CrNi0.470.540.170.370.500.800.450.751.001.400.0350.035GB/T307712CrNi20.100.170.170.370.300.600.600.901.501.900.0350.035GB/T307712CrNi30.

30、100.170.170.370.300.600.600.902.753.150.0350.035GB/T307720CrNi30.170.240.170.370.300.600.600.902.753.150.0350.035GB/T307730CrNi30.270.330.170.370.300.600.600.902.753.150.0350.035GB/T307737CrNi30.340.410.170.370.300.601.201.603.003.500.0350.035GB/T307712CrNi40.100.160.170.370.300.601.251.653.253.650.

31、0350.035GB/T307720CrNi40.170.230.170.370.300.601.251.653.253.650.0350.035（20）、铬锰钛合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrTiPSGB/T307720CrMnTi0.170.230.170.370.801.101.001.300.040.100.0350.035GB/T307730CrMnTi0.240.320.170.370.801.101.001.300.040.100.0350.035(21)、铬镍钼合金结构钢号及化学成分：执行标准牌号化学成分(%)CSiMnCrNiMoPGB/T30

32、7720CrNiMo0.170.230.170.370.600.950.400.700.350.750.200.300.035GB/T307721CrNiMoA0.370.440.170.370.500.800.600.901.251.650.150.250.025(22)、铬镍锰钼合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrNiMoPGB/T307718CrNiMnMoA0.150.210.170.371.101.401.001.301.001.300.200.300.025(23)、铬镍钼矾合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrNiMoVG

33、B/T307718CrNiMoVA0.420.480.170.370.500.800.801.101.301.800.200.300.100.20(24)、铬镍钨合金结构钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnCrNiWPGB/T307718Cr2Ni4WA0.130.190.170.370.300.601.351.654.004.500.801.200.025GB/T307725Cr2Ni4WA0.210.280.170.370.300.601.351.654.004.500.801.200.0255、保证淬透性结构钢（H钢）牌号及化学成分：执行标准牌号化学成分(%)CSiMn

34、CrNiMo、Ti、VBGB/T521645H0.420.500.170.370.500.850.250.30GB/T521615CrH 0.120.180.170.370.550.900.851.250.30GB/T521620CrH0.170.230.170.370.500.850.701.100.30GB/T521620CrLH 0.170.230.170.370.550.900.851.250.30GB/T521640CrH0.370.440.170.370.500.850.701.100.30GB/T521620CrH 0.420.490.170.370.500.850.701.10

35、0.30GB/T521616CrMnH0.140.190.371.001.300.801.100.30GB/T521620CrMnH0.170.220.371.101.401.001.300.30GB/T521615CrMnBh 0.130.180.170.371.001.300.801.100.300.00050.0030GB/T521617CrMnBh0.150.200.170.371.001.301.001.350.300.00050.0030GB/T521640MnBH0.370.440.170.371.001.400.300.300.00050.0030GB/T521645MnBH0

36、.420.490.170.371.001.400.300.300.00050.0030GB/T521620MnVBH 0.170.230.170.371.051.450.300.30V=0.070.120.00050.0030GB/T521620MnTiBH0.170.230.170.371.201.550.300.30Ti=0.040.100.00050.0030GB/T521615CrMoH 0.120.180.170.370.550.900.851.250.30Mo=0.150.25GB/T521620CrMoH0.170.230.170.371.101.480.851.250.30Mo

37、=0.150.25GB/T521622CrMoH0.190.250.170.371.101.490.851.250.30Mo=0.350.45GB/T521644CrMoH0.370.440.170.371.101.500.851.250.30Mo=0.150.25GB/T521620CrMnMoH0.170.230.170.371.101.511.051.400.30Mo=0.200.30GB/T521620CrMnTiH0.170.230.170.371.101.521.001.350.30Ti=0.040.10GB/T521647CrNi3H0.170.230.170.371.101.5

38、30.600.952.703.25GB/T521647Cr2Ni4H0.100.170.170.371.101.541.201.753.203.75GB/T521620CrNiMoH0.170.230.170.371.101.550.350.650.350.75Mo=0.150.25GB/T521620CrNi2MoH0.170.230.170.371.101.560.350.651.552.00Mo=0.200.306、易切削结构钢牌号及化学成分:执行标准牌号化学成分(%)CSiMnPSPbGB/T8731Y120.080.160.150.350.701.000.080.150.100.20

39、GB/T8731Y12Pb0.080.160.150.701.000.050.100.150.250.150.35执行标准牌号GB/T8731Y150.100.180.150.801.200.050.100.230.33GB/T8731Y15pb0.100.190.150.801.200.050.100.230.330.150.35GB/T8731Y200.170.250.150.350.701.000.0600.080.15GB/T8731Y300.270.350.150.350.701.000.0600.080.15GB/T8731Y350.320.400.150.350.701.000.

40、0600.080.15GB/T8731Y40Mn0.370.450.150.351.201.550.0500.200.30GB/T8731Y45Ca0.420.500.200.400.600.900.900.040.08Ca=0.150.357、冷墩和冷压用钢牌号及化学成分：（1）、非热处理型冷墩和冷挤压用钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCuNiGB/T6478ML04ML0.060.1 0.200.400.0350.0350.200.20GB/T6478ML08AL0.050.100.1 0.300.600.0350.0350.200.20GB/T6478ML10A

41、L0.080.130.1 0.300.600.0350.0350.200.20GB/T6478ML15AL0.130.180.1 0.300.600.0350.0350.200.20GB/T6478ML15AL0.130.180.150.350.300.600.0350.0350.200.20GB/T6478ML20AL0.180.230.1 0.300.600.0350.0350.200.20GB/T6478ML200.180.230.150.350.300.600.0350.0350.200.20（2）、表面硬化型冷墩和冷挤压用钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCu

42、NiGB/T6478ML18Mn0.150.200.1 0.600.900.0350.0350.200.20GB/T6478ML22Mn0.180.230.1 0.701.000.0350.0350.200.20GB/T6478ML20Cr0.170.230.3 0.600.900.0350.0350.200.20(3)、调质型冷镦和冷挤压用钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnMo.Ti.VBCrALtGB/T6478ML250.220.290.200.300.600.20GB/T6478ML300.270.340.200.300.600.20GB/T6478ML350.32

43、0.390.200.300.600.20GB/T6478ML400.370.440.200.300.600.20GB/T6478ML450.420.500.200.300.600.20GB/T6478ML15Mn0.140.200.200.400.200.400.20GB/T6478ML25Mn0.220.290.250.600.900.20GB/T6478ML30Mn0.270.340.250.600.900.20GB/T6478ML35Mn0.320.390.250.600.900.20GB/T6478ML37Cr0.340.410.300.600.900.901.20GB/T6478ML

44、40Cr0.380.450.300.600.900.901.20GB/T6478ML30CrMo0.260.340.300.600.900.150.250.801.10GB/T6478ML35CrMo0.320.400.300.600.900.150.250.801.10GB/T6478ML42CrMo0.380.450.300.600.900.150.250.901.20GB/T6478ML20B0.170.240.400.500.800.00050.00350.200.02GB/T6478ML28B0.250.320.400.600.900.00050.00350.200.02GB/T64

45、78ML35B0.320.390.400.500.800.00050.00350.200.02GB/T6478ML15MnB0.140.200.401.201.600.00050.00350.200.02GB/T6478ML20MnB0.170.240.400.801.200.00050.00350.200.02GB/T6478ML35MnB0.320.390.401.101.400.00050.00350.200.02GB/T6478ML37CrB0.340.410.400.500.800.00050.0035 0.200.400.02GB/T6478ML20MnTiB0.190.240.3

46、01.301.600.040.100.00050.00350.200.02GB/T6478ML15VMnB0.130.180.301.201.600.070.120.00050.00350.200.02GB/T6478ML20VMnB0.190.240.301.201.600.070.120.00050.00350.200.028、高耐侯结构钢牌号及化学成分表：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T4171Q295GNH 0.250.500.200.400.200.600.070.150.035GB/T4171Q295GNHL0.12 0.100.400.200.500.07

47、0.120.0350.300.650.250.50GB/T4171Q345GNH 0.12 0.200.600.500.900.070.120.035GB/T4171Q345GNHL 0.12 0.250.750.200.500.070.120.0350.301.250.65GB/T4171Q390GH0.12 0.150.651.400.0350.0350.450.750.050.309、焊接结构用耐钢牌号及化学成分类：执行标准牌号化学成分(%)CSiMnPSCrVGB/T4172Q235NH0.150.150.400.200.600.0350.0350.400.80GB/T4172Q295

48、NH0.150.150.501.001.600.0350.0350.400.80GB/T4172Q355NH0.160.500.901.000.0350.0350.400.800.020.10GB/T4172Q460NH0.100.180.500.901.000.0350.0350.400.8010、弹簧钢牌号及化学成分表：（1）、优质碳素弹簧钢号及化学成分表：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T122265钢0.620.700.170.370.500.800.0350.0350.250.25GB/T122270钢0.620.750.170.370.500.800.0350

49、.0350.250.25GB/T122285钢0.820.900.170.370.500.800.0350.0350.250.25GB/T122265Mn0.620.700.170.370.901.20.0350.0350.250.25(2)、合金弹簧钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnVW、Mo、BCrPGB/T122255Si2Mn 0.520.601.502.000.600.900.350.035GB/T122255si2MnB 0.520.601.502.000.600.900.00050.0040.350.035GB/T122255siMnVB0.520.600.7

50、01.001.001.300.080.100.00050.00350.350.035GB/T122260si2Mn0.560.641.502.000.600.900.350.035GB/T122260si2MnA0.560.641.602.000.600.900.300.03GB/T122260si2CrA0.560.641.401.800.400.600.701.000.03GB/T122260si2CrVA0.560.641.401.800.400.600.100.200.901.200.03GB/T122255CrMnA0.500.600.170.370.650.950.650.950.

51、03GB/T122260CrMnA0.560.640.170.370.701.000.701.000.03GB/T122260CrMnMoA0.560.640.170.370.701.000.250.350.700.900.03GB/T122250CrVA0.460.640.170.370.500.800.100.200.801.100.03GB/T122260CrMnBA0.560.640.170.370.701.000.00050.0040.701.000.03GB/T122230W4Cr2VA0.260.340.170.370.400.500.804.004.502.002.500.03

52、11、高碳铬轴承钢牌号及化学成分表：执行标准牌号化学成分(%)CSiMnMoCrPSGB/T18254GCr40.951.050.150.300.150.300.080.350.500.0250.025GB/T18255GCrl50.951.050.150.350.250.450.101.401.500.0250.025GB/T18256GCrl5SiMn0.951.050.450.750.951.250.101.401.650.0250.025GB/T18257GCrl5SiMn0.951.050.650.850.200.400.300.401.401.700.0270.02GB/T1825

53、8GCrl8Mo0.951.050.200.400.250.400.150.251.651.950.0250.02二、不绣钢、耐热钢牌号及化学成分：1、不绣钢牌号及化学成分：（1）、奥氏体不绣钢牌号及化学成分：执行标准牌号CSiMnPSCrNiGB/T12201Cr17Mn6Ni5N0.151 5.500.060.03 16.0018.003.505.507.5GB/T12201Cr18Mn8Ni5N0.151.007.5010.000.060.03 17.0019.004.006.00GB/T12201Cr18Mn10Ni5Mo30.11.008.5012.000.060.03 17.001

54、9.004.006.00GB/T12201Cr17Ni70.151.002.000.0350.03 16.0018.006.008.00GB/T12201Ce18Ni90.151.002.000.0350.0317.0019.008.0010.00GB/T1220Y1Cr18Ni90.151.002.000.2 0.15 17.0019.008.0010.00GB/T1220Y1Cr18Ni9Se0.151.002.000.20.0617.0019.008.0010.00GB/T12200Cr18Ni90.071.002.000.0350.0317.0019.008.0011.00GB/T12

55、2000Cr19Ni100.031.002.000.0350.0318.0020.008.0012.00GB/T12200Cr19Ni9N0.081.002.000.0350.03518.0020.007.0010.50GB/T12200Cr19Ni10NbN0.081.002.000.0350.0318.0020.007.5010.50GB/T122000Cr18Ni10N0.031.002.000.0350.0317.0029.008.5011.50GB/T12201Cr18Ni120.121.002.000.0350.0317.0019.0010.5013.00GB/T12200Cr23

56、Ni130.081.002.000.0350.0322.0024.0012.0015.00GB/T12200Cr25Ni200.081.002.000.0350.0324.0026.0019.0022.00GB/T12200Cr17Ni12Mo20.081.002.000.0350.0316.0018.5010.0014.00GB/T12201Cr17Ni12Mo2Ti0.121.002.000.0350.0316.0019.0011.0014.00GB/T12200Cr17Ni12Mo2Ti0.081.002.000.0350.0316.0019.0011.0014.00GB/T122000

57、Cr17Ni14Mo20.031.002.000.0350.0316.0018.0012.0015.00GB/T12200Cr17Ni12Mo2N0.081.002.000.0350.0316.0018.0010.0014.00GB/T12200Cr17Ni13Mo2N0.031.002.000.0350.0316.0018.0010.5014.50GB/T12200Cr18Ci12Mo2Cu20.081.002.000.0350.0317.0019.0010.0014.50GB/T122000Crl8Ni4Mo2Cu20.031.002.000.0350.0317.0019.0012.001

58、6.00GB/T12200Cr19Ni13Mo30.081.002.000.0350.0318.0020.0011.0015.00GB/T122000Cr19Ni13Mo30.031.002.000.0350.0318.0020.0011.0015.00GB/T12201Crl8Nil2Mo3Ti0.121.002.000.0350.0316.0019.0011.0014.00GB/T12200Cr18Ni12Mo3Ti0.081.002.000.0350.0316.0019.0011.0014.00GB/T12200Cr18Ni12Mo50.041.002.000.0350.0316.001

59、9.0015.0017.00GB/T12201Crl8Ni9Ti0.121.002.000.0350.0317.0019.008.0011.00GB/T12200Cr18Ni10Ti0.081.002.000.0350.0317.0019.009.0012.00GB/T12200Crl8NillNb0.081.002.000.0350.0317.0019.009.0013.00GB/T12200Crl8Ni9Cu30.081.002.000.0350.0317.0019.008.5010.50GB/T12200Crl8Ni13Si40.083.005.002.000.0350.0315.002

60、0.0011.5015.00(2)、奥氏体铁素体不锈钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrNiGB/T12200Cr26NiMo20.081.001.500.0350.0323.0028.003.006.00GB/T12201Cr18NillSi4AlTi 0.100.183.404.000.800.0350.0317.5019.5010.0012.00GB/T122000Cr18Ni5Mo3Si20.032.001.002.000.0350.0318.0019.004.505.50(3)铁素体不锈钢牌号及化学成分：执行标准牌号化学成分(%)CSiMnPSCrMoGB/