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1、附表3-13常用热作模具钢的牌号、成分、热处理及用途（摘自BG/T1299-2000）钢号化学成分 w/ %CSiMnCrMoWV其它5CrMnMo0.500.600.250.601.201.600.600.900.150.30 5CrNiMo0.500.600.400.500.800.500.800.150.30 Ni1.401.804Cr5MoSiV0.330.420.801.200.200.504.755.501.101.60 0.300.50 3Cr3Mo3W2V0.320.420.600.900.652.803.302.503.001.201.800.801.20 5Cr4W5Mo2
2、V0.400.500.400.403.404.401.502.104.505.300.701.10 3Cr2Mo0.280.400.200.800.601.001.402.000.300.55 Ni0.851.153Cr2MnNiMo0.320.400.200.401.101.501.702.000.250.40 Ni0.851.15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/HRC5CrMnMo780800197241830850油4906403047中型锻模（模高275mm400mm）5CrNiMo780800197241840860油4906603047大型锻模（模高400mm)4Cr5MoSiV84090010922910001025油5406504054热镦模、压铸模、热挤压模、精锻模3Cr3Mo3V845900 10101040空气5506004054热镦模5Cr4W5Mo2V85087020023011301140油6006305056热镦模、温挤压模3Cr2Mo 塑料模具钢3CrMnNiMo 塑料模具钢
