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1、附表3-12常用冷作模具钢和耐冲击工具用钢的牌号、成分、热处理及用途（摘自GB/T1299-2000）钢号化学成分 w/ %CSiMnCrMoWV9Mn2V0.850.950.401.702.00 0.100.25CrWMn0.901.050.400.801.100.91.20 1.201.60 Cr122.002.300.400.4011.5013.50 0.150.30Cr12MoV1.451.700.400.4011.0012.500.400.60 0.801.10Cr4W2MoV1.121.250.400.700.403.504.000.801.201.902.600.701.106W
2、6Mo5Cr4V0.550.650.400.603.704.304.505.506.007.00 4CrW2Si0.350.450.801.100.401.001.30 2.002.50 6CrW2Si0.550.650.500.800.401.001.30 2.202.70 钢号退火淬火回火用途举例温度/硬度/HB温度/冷却介质温度/硬度/HRC9Mn2V750770229780820油1502006062滚丝模、冷冲模、冷压模、塑料模CrWMn760709190230820840油1401606265冷冲模、塑料模Cr128709002072559501000油2004505864冷冲模、
3、拉延模、压印模、滚丝模Cr12MoV85087020725510201040油1504255563冷冲模，压印楧，冷镦模、冷挤压模 11151130硝盐5105206062零件模、拉延模Cr4W2MoV8508702402559801000油26030060代Cr12MoV钢 硝盐5005406062 6W6Mo5Cr4V85087017922910201040油或硝盐5605806063冷挤压模（钢件、硬铝件）4CrW2Si71074017921711801200油2002505356剪刀、切片冲头（耐冲击工具用钢） 4304704445 6CrW2Si700730229285860900油2002505356剪刀、切片冲头（耐冲击工具用钢） 4304704045
