钢牌号及化学成分.xls

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 gb700-1988gb700-1988 q195q1950.060.120.120.300.250.500.0450.050 q215aq215a0.090.150.120.300.250.550.0450.050 q315bq315b0.090.150.120.300.250.550.0450.045 q235aq235a0.140.220.120.300.300.650.0450.050 q235bq235b0.120.200.120.300.300.700.0450.045 q235cq235c0.180.120.300.350.800.0400.040 q235dq235d0.170.120.300.350.800.0300.030 q255aq255a0.180.280.120.300.400.700.0450.050 q255bq255b0.180.280.120.300.400.700.0450.045 q275q2750.280.380.150.350.50.800.0450.050 2、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 crcrnini gb/t69908f 0.050.110.030.250.500.0350.0350.10.3 gb/t69910f0.070.130.070.250.500.0350.0350.150.3 gb/t69915f0.120.180.070.250.500.0350.0350.250.3 gb/t69980.050.110.170.370.350.650.0350.0350.10.3 gb/t699100.070.130.170.370.350.650.0350.0350.150.3 gb/t699150.120.180.170.370.350.650.0350.0350.250.3 gb/t699200.170.230.170.370.350.650.0350.0350.250.3 gb/t699250.220.290.170.370.500.800.0350.0350.250.3 gb/t699300.270.340.170.370.500.800.0350.0350.250.3 gb/t699350.320.390.170.370.500.800.0350.0350.250.3 gb/t699400.370.440.170.370.500.800.0350.0350.250.3 gb/t699450.420.500.170.370.500.800.0350.0350.250.3 gb/t699500.470.550.170.370.500.800.0350.0350.250.3 gb/t699550.520.600.170.370.500.800.0350.0350.250.3 gb/t699600.570.650.170.370.500.800.0350.0350.250.3 gb/t699650.620.700.170.370.500.800.0350.0350.250.3 gb/t699700.670.750.170.370.500.800.0350.0350.250.3 gb/t699750.720.800.170.370.500.80 0.0350.250.3 gb/t699800.770.850.170.370.500.800.0350.0350.250.3 gb/t699850.820.900.170.370.500.800.0350.0350.250.3 gb/t699mn150.120.180.170.370.701.000.0350.0350.250.3 gb/t699mn200.170.230.170.370.701.000.0350.0350.250.3 gb/t699mn250.220.290.170.370.701.000.0350.0350.250.3 gb/t699mn300.270.340.170.370.701.000.0350.0350.250.3 gb/t699mn350.320.390.170.370.701.000.0350.0350.250.3 gb/t699mn400.370.440.170.370.701.000.0350.0350.250.3 gb/t699mn450.420.500.170.370.701.000.0350.0350.250.3 gb/t699mn500.480.560.170.370.701.000.0350.0350.250.3 gb/t699mn600.570.650.170.370.701.000.0350.0350.250.3 gb/t699mn650.620.700.170.370.901.200.0350.0350.250.3 gb/t699mn700.670.750.170.370.901.200.0350.0350.250.3 3、低合金高度结构钢号及化学成分： 执行标准牌号 化学成分（%） c mn sipscrni gb/t1591q295a0.160.801.500.550.0450.045 gb/t1591q395b0.160.801.500.550.040.04 gb/t1591q345a0.20.101.600.550.0450.045 gb/t1591q345b0.20.101.600.550.040.04 gb/t1591q345c0.20.101.600.550.0350.035 gb/t1591q345d0.180.101.600.550.030.03 gb/t1591q345e0.180.101.600.550.0250.025 gb/t1591q345a0.20.101.600.550.0450.0450.30.7 gb/t1591q390b0.20.101.600.550.040.040.30.7 gb/t1591q390c0.20.101.600.550.0350.0350.30.7 gb/t1591q390d0.20.101.600.550.030.030.30.7 gb/t1591q390e0.20.101.600.550.0250.0250.30.7 gb/t1591q420a0.21.001.700.550.0450.0450.40.7 gb/t1591q420b0.21.001.700.550.040.040.40.7 gb/t1591q420c0.21.001.700.550.0350.0350.40.7 gb/t1591q420d0.181.001.700.550.030.030.40.7 gb/t1591q420e0.181.001.700.550.0250.0250.40.7 gb/t1591q460c0.21.001.700.550.0350.0350.70.7 gb/t1591q460d0.21.001.700.550.030.030.70.7 gb/t1591q460e0.21.001.700.550.030.030.70.7 4、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(%) csimn pscrni gb/t307720mn20.170.240.170.371.401.800.0350.0350.30.3 gb/t307730mn20.270.340.170.371.401.800.0350.0350.30.3 gb/t307735mn20.320.390.170.371.401.800.0350.0350.30.3 gb/t307740mn20.370.440.170.371.401.800.0350.0350.30.3 gb/t307745mn20.420.490.170.371.401.800.0350.0350.30.3 gb/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/t1591q345b0.20.101.600.550.040.04 gb/t1591q345c0.20.101.600.550.0350.035 gb/t1591q345d0.180.101.600.550.030.03 gb/t1591q345e0.180.101.600.550.0250.025 gb/t1591q345a0.20.101.600.550.0450.0450.30.7 gb/t1591q390b0.20.101.600.550.040.040.30.7 gb/t1591q390c0.20.101.600.550.0350.0350.30.7 gb/t1591q390d0.20.101.600.550.030.030.30.7 gb/t1591q390e0.20.101.600.550.0250.0250.30.7 gb/t1591q420a0.21.001.700.550.0450.0450.40.7 gb/t1591q420b0.21.001.700.550.040.040.40.7 gb/t1591q420c0.21.001.700.550.0350.0350.40.7 gb/t1591q420d0.181.001.700.550.030.030.40.7 gb/t1591q420e0.181.001.700.550.0250.0250.40.7 gb/t1591q460c0.21.001.700.550.0350.0350.70.7 gb/t1591q460d0.21.001.700.550.030.030.70.7 gb/t1591q460e0.21.001.700.550.030.030.70.7 4、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(%) csimn pscrni gb/t307720mn20.170.240.170.371.401.800.0350.0350.30.3 gb/t307730mn20.270.340.170.371.401.800.0350.0350.30.3 gb/t307735mn20.320.390.170.371.401.800.0350.0350.30.3 gb/t307740mn20.370.440.170.371.401.800.0350.0350.30.3 gb/t307745mn20.420.490.170.371.401.800.0350.0350.30.3 gb/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： 执行标准牌号 化学成分(%) csi mnpscrni gb/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(%) csimn pscr gb/t307727simn0.240.321.101.401.101.400.0350.0350.3 gb/t307735simn0.320.401.101.401.101.400.0350.0350.3 gb/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 执行标准牌号 化学成分(%) csi mnpscrni gb/t307720simn2mov0.170.230.901.202.202.600.0350.0350.30.3 gb/t307825simn3mov0.220.280.901.202.202.600.0350.0350.30.3 gb/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(%) csi mnpscrni gb/t307740b0.370.440.170.370.600.900.0350.0350.30.3 gb/t307745b0.420.490.170.370.600.900.0350.0350.30.3 gb/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(%) csi mnpscrni gb/t307740mnb0.370.440.170.371.101.400.0350.0350.30.3 gb/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(%) csi mnpscrni gb/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(%) csi mnpscrni gb/t307715mnvb0.120.180.170.371.201.600.0350.0350.30.3 gb/t307720mnvb0.170.230.170.371.101.400.0350.0350.30.3 gb/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 化学成分(%) csi mnpscrni gb/t307720mntib0.170.240.170.371.301.500.0350.0350.30.3 gb/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(%) csimncr psni gb/t307715cr0.120.180.170.370.400.700.701.000.0350.0350.3 gb/t307715cra0.120.170.170.370.400.700.701.000.0250.0250.3 gb/t307720cr0.180.240.170.370.500.800.701.000.0350.0350.3 gb/t307730cr0.270.340.170.370.500.800.801.100.0350.0350.3 gb/t307735cr0.320.390.170.370.500.800.801.100.0350.0350.3 gb/t307740cr0.370.440.170.370.500.800.801.100.0350.0350.3 gb/t307745cr0.420.490.170.370.500.800.801.100.0350.0350.3 gb/t307750cr0.470.540.170.370.500.700.801.100.0350.0350.3 (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(%) csimncrmo ps gb/t307712crmo0.800.120.170.370.400.700.400.700.400.550.0350.035 gb/t307715crmo0.120.180.170.370.400.700.801.100.400.550.0350.035 gb/t307720crmo0.170.240.170.370.400.700.801.100.150.250.0350.035 gb/t307730crmo0.260.340.170.370.400.700.801.100.150.250.0350.035 gb/t307730crmoa0.260.330.170.370.400.700.801.100.150.250.0250.025 gb/t307735crmo0.320.400.170.370.400.700.801.100.150.250.0350.035 gb/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(%) csimncr psni gb/t307742crsi0.350.431.001.300.300.601.301.600.0350.0350.3 (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(%) csimncrmo ps gb/t307712crmov0.080.150.170.370.400.700.300.600.250.350.0350.035 gb/t307735crmov0.300.380.170.370.400.701.001.300.200.300.0350.035 gb/t307712cr1mov0.080.150.170.370.400.700.901.200.250.350.0350.035 gb/t307725cr2mova0.220.290.170.370.400.701.501.800.250.350.0250.025 gb/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(%) csimncrmo ps gb/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(%) csimncr psni gb/t307740crv0.370.440.170.370.500.800.801.100.0350.0350.3 gb/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(%) csimncr psni gb/t307715crmn0.120.180.170.371.101.400.400.700.0350.0350.3 gb/t307720crmn0.170.230.170.370.901.200.901.200.0250.0250.3 gb/t307742crmn0.370.450.170.370.901.200.901.200.0350.0350.3 (17)、铬锰硅合金结构钢号及化学成分： 执行标准牌号 化学成分(%) csimncr psni gb/t307720crmnsi0.170.230.901.200.801.100.801.100.0350.0350.3 gb/t307725crmnsi0.220.280.901.200.801.100.801.100.0350.0350.3 gb/t307730crmnsi0.270.340.901.200.801.100.801.100.0350.0350.3 gb/t307731crmnsia0.280.340.901.200.801.100.801.100.0250.0250.3 gb/t307732crmnsia0.320.391.101.400.801.101.101.400.0250.0250.3 (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(%) csimncrmo ps gb/t307720crmono0.170.230.170.370.901.201.101.400.200.300.0350.035 gb/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(%) csimncrni ps gb/t307720crni0.170.230.170.370.400.700.450.751.001.400.0350.035 gb/t307740crni0.370.440.170.370.500.800.450.751.001.400.0350.035 gb/t307745crni0.420.490.170.370.500.800.450.751.001.400.0350.035 gb/t307750crni0.470.540.170.370.500.800.450.751.001.400.0350.035 gb/t307712crni20.100.170.170.370.300.600.600.901.501.900.0350.035 gb/t307712crni30.100.170.170.370.300.600.600.902.753.150.0350.035 gb/t307720crni30.170.240.170.370.300.600.600.902.753.150.0350.035 gb/t307730crni30.270.330.170.370.300.600.600.902.753.150.0350.035 gb/t307737crni30.340.410.170.370.300.601.201.603.003.500.0350.035 gb/t307712crni40.100.160.170.370.300.601.251.653.253.650.0350.035 gb/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(%) csimncrti ps gb/t307720crmnti0.170.230.170.370.801.101.001.300.040.100.0350.035 gb/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(%) csimncrnimo p gb/t307720crnimo0.170.230.170.370.600.950.400.700.350.750.200.300.035 gb/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(%) csimncrnimo p gb/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(%) csimncrnimov gb/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(%) csimncrniw p gb/t307718cr2ni4wa0.130.190.170.370.300.601.351.654.004.500.801.200.025 gb/t307725cr2ni4wa0.210.280.170.370.300.601.351.654.004.500.801.200.025 5、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(%) csimncrnimo、ti、vb gb/t521645h0.420.500.170.370.500.850.250.30 gb/t521615crh 0.120.180.170.370.550.900.851.250.30 gb/t521620crh0.170.230.170.370.500.850.701.100.30 gb/t521620crlh 0.170.230.170.370.550.900.851.250.30 gb/t521640crh0.370.440.170.370.500.850.701.100.30 gb/t521620crh 0.420.490.170.370.500.850.701.100.30 gb/t521616crmnh0.140.190.371.001.300.801.100.30 gb/t521620crmnh0.170.220.371.101.401.001.300.30 gb/t521615crmnbh 0.130.180.170.371.001.300.801.100.300.00050.0030 gb/t521617crmnbh0.150.200.170.371.001.301.001.350.300.00050.0030 gb/t521640mnbh0.370.440.170.371.001.400.300.300.00050.0030 gb/t521645mnbh0.420.490.170.371.001.400.300.300.00050.0030 gb/t521620mnvbh 0.170.230.170.371.051.450.300.30v=0.070.120.00050.0030 gb/t521620mntibh0.170.230.170.371.201.550.300.30ti=0.040.100.00050.0030 gb/t521615crmoh 0.120.180.170.370.550.900.851.250.30mo=0.150.25 gb/t521620crmoh0.170.230.170.371.101.480.851.250.30mo=0.150.25 gb/t521622crmoh0.190.250.170.371.101.490.851.250.30mo=0.350.45 gb/t521644crmoh0.370.440.170.371.101.500.851.250.30mo=0.150.25 gb/t521620crmnmoh0.170.230.170.371.101.511.051.400.30mo=0.200.30 gb/t521620crmntih0.170.230.170.371.101.521.001.350.30ti=0.040.10 gb/t521647crni3h0.170.230.170.371.101.530.600.952.703.25 gb/t521647cr2ni4h0.100.170.170.371.101.541.201.753.203.75 gb/t521620crnimoh0.170.230.170.371.101.550.350.650.350.75mo=0.150.25 gb/t521620crni2moh0.170.230.170.371.101.560.350.651.552.00mo=0.200.30 6、易切削结构钢牌号及化学成分: 执行标准牌号 化学成分(%) csimnpspb gb/t8731y120.080.160.150.350.701.000.080.150.100.20 gb/t8731y12pb0.080.160.150.701.000.050.100.150.250.150.35 执行标准牌号 gb/t8731y150.100.180.150.801.200.050.100.230.33 gb/t8731y15pb0.100.190.150.801.200.050.100.230.330.150.35 gb/t8731y200.170.250.150.350.701.000.0600.080.15 gb/t8731y300.270.350.150.350.701.000.0600.080.15 gb/t8731y350.320.400.150.350.701.000.0600.080.15 gb/t8731y40mn0.370.450.150.351.201.550.0500.200.30 gb/t8731y45ca0.420.500.200.400.600.900.900.040.08ca=0.150.35 7、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(%) c si mn pscuni gb/t6478ml04ml0.060.1 0.200.400.0350.0350.200.20 gb/t6478ml08al0.050.100.1 0.300.600.0350.0350.200.20 gb/t6478ml10al0.080.130.1 0.300.600.0350.0350.200.20 gb/t6478ml15al0.130.180.1 0.300.600.0350.0350.200.20 gb/t6478ml15al0.130.180.150.350.300.600.0350.0350.200.20 gb/t6478ml20al0.180.230.1 0.300.600.0350.0350.200.20 gb/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(%) c si mn pscuni gb/t6478ml18mn0.150.200.1 0.600.900.0350.0350.200.20 gb/t6478ml22mn0.180.230.1 0.701.000.0350.0350.200.20 gb/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.vbcr alt gb/t6478ml250.220.290.200.300.600.20 gb/t6478ml300.270.340.200.300.600.20 gb/t6478ml350.320.390.200.300.600.20 gb/t6478ml400.370.440.200.300.600.20 gb/t6478ml450.420.500.200.300.600.20 gb/t6478ml15mn0.140.200.200.400.200.400.20 gb/t6478ml25mn0.220.290.250.600.900.20 gb/t6478ml30mn0.270.340.250.600.900.20 gb/t6478ml35mn0.320.390.250.600.900.20 gb/t6478ml37cr0.340.410.300.600.900.901.20 gb/t6478ml40cr0.380.450.300.600.900.901.20 gb/t6478ml30crmo0.260.340.300.600.900.150.250.801.10 gb/t6478ml35crmo0.320.400.300.600.900.150.250.801.10 gb/t6478ml42crmo0.380.450.300.600.900.150.250.901.20 gb/t6478ml20b0.170.240.400.500.800.00050.00350.200.02 gb/t6478ml28b0.250.320.400.600.900.00050.00350.200.02 gb/t6478ml35b0.320.390.400.500.800.00050.00350.200.02 gb/t6478ml15mnb0.140.200.401.201.600.00050.00350.200.02 gb/t6478ml20mnb0.170.240.400.801.200.00050.00350.200.02 gb/t6478ml35mnb0.320.390.401.101.400.00050.00350.200.02 gb/t6478ml37crb0.340.410.400.500.800.00050.0035 0.200.400.02 gb/t6478ml20mntib0.190.240.301.301.600.040.100.00050.00350.200.02 gb/t6478ml15vmnb0.130.180.301.201.600.070.120.00050.00350.200.02 gb/t6478ml20vmnb0.190.240.301.201.600.070.120.00050.00350.200.02 8、高耐侯结构钢牌号及化学成分表： 执行标准牌号 化学成分(%) csimnpscrni gb/t4171q295gnh 0.250.500.200.400.200.600.070.150.035 gb/t4171q295gnhl0.12 0.100.400.200.500.070.120.0350.300.650.250.50 gb/t4171q345gnh 0.12 0.200.600.500.900.070.120.035 gb/t4171q345gnhl 0.12 0.250.750.200.500.070.120.0350.301.250.65 gb/t4171q390gh0.12 0.150.651.400.0350.0350.450.750.050.30 9、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(%) csimnpscrv gb/t4172q235nh0.150.150.400.200.600.0350.0350.400.80 gb/t4172q295nh0.150.150.501.001.600.0350.0350.400.80 gb/t4172q355nh0.160.500.901.000.0350.0350.400.800.020.10 gb/t4172q460nh0.100.180.500.901.000.0350.0350.400.80 10、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(%) csimn pscrni gb/t122265钢0.620.700.170.370.500.800.0350.0350.250.25 gb/t122270钢0.620.750.170.370.500.800.0350.0350.250.25 gb/t122285钢0.820.900.170.370.500.800.0350.0350.250.25 gb/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、bcr p gb/t122255si2mn 0.520.601.502.000.600.900.350.035 gb/t122255si2mnb 0.520.601.502.000.600.900.00050.0040.350.035 gb/t122255simnvb0.520.600.701.001.001.300.080.100.00050.00350.350.035 gb/t122260si2mn0.560.641.502.000.600.900.350.035 gb/t122260si2mna0.560.641.602.000.600.900.300.03 gb/t122260si2cra0.560.641.401.800.400.600.701.000.03 gb/t122260si2crva0.560.641.401.800.400.600.100.200.901.200.03 gb/t122255crmna0.500.600.170.370.650.950.650.950.03 gb/t122260crmna0.560.640.170.370.701.000.701.000.03 gb/t122260crmnmoa0.560.640.170.370.701.000.250.350.700.900.03 gb/t122250crva0.460.640.170.370.500.800.100.200.801.100.03 gb/t122260crmnba0.560.640.170.370.701.000.00050.0040.701.000.03 gb/t122230w4cr2va0.260.340.170.370.400.500.804.004.502.002.500.03 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(%) csimnmocr ps gb/t18254gcr40.951.050.150.300.150.300.080.350.500.0250.025 gb/t18255gcrl50.951.050.150.350.250.450.101.401.500.0250.025 gb/t18256gcrl5simn0.951.050.450.750.951.250.101.401.650.0250.025 gb/t18257gcrl5simn0.951.050.650.850.200.400.300.401.401.700.0270.02 gb/t18258gcrl8mo0.951.050.200.400.250.400.150.251.651.950.0250.02 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csimnps crni gb/t12201cr17mn6ni5n0.151 5.500.060.03 16.0018.003.505.50 7.5 gb/t12201cr18mn8ni5n0.151.007.5010.000.060.03 17.0019.004.006.00 gb/t12201cr18mn10ni5mo30.11.008.5012.000.060.03 17.0019.004.006.00 gb/t12201cr17ni70.151.002.000.0350.03 16.0018.006.008.00 gb/t12201ce18ni90.151.002.000.0350.0317.0019.008.0010.00 gb/t1220y1cr18ni90.151.002.000.2 0.15 17.0019.008.0010.00 gb/t1220y1cr18ni9se0.151.002.000.20.0617.0019.008.0010.00 gb/t12200cr18ni90.071.002.000.0350.0317.0019.008.0011.00 gb/t122000cr19ni100.031.002.000.0350.0318.0020.008.0012.00 gb/t12200cr19ni9n0.081.002.000.0350.03518.0020.007.0010.50 gb/t12200cr19ni10nbn0.081.002.000.0350.0318.0020.007.5010.50 gb/t122000cr18ni10n0.031.002.000.0350.0317.0029.008.5011.50 gb/t12201cr18ni120.121.002.000.0350.0317.0019.0010.5013.00 g