锻件材料成分一览表

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1、锻件材料成分一览表标准材料化学成分（质量分数）%公称厚度mm热处理状态拉伸试验冲击试验回火温度°C硬度试验HBW锻件（JB4726）CSiMnCrNiCuPSRmMPaReLMpaA%试验温度KV2JGB/T47008-2010N:正火Q：淬火T：回火200.17~0.230.15~0.400.60~1.00≤0.25≤0.25≤0.25≤0.03≤0.02≤100NN+T410~560235240≥31不低于620110~160>100~200400~55022524——>200~300380~53020524350.32~0.380

2、.15~0.400.50~0.80≤0.25≤0.25≤0.25≤0.03≤0.02≤100NN+T510~6702651820≥34不低于590136~192>100490~64024518—16Mn0.13~0.200.20~0.601.20~1.60≤0.30≤0.30≤0.25≤0.03≤0.02≤100NN+TQ+T480~630305200≥34不低于620128~180>100~200470~62029520—>200~300450~60027520标准材料化学成分（质量分数）%公称厚度mm热处理状态拉伸试验硬度试验HBW

3、锻件（JB4728）CSiMnCrNiMoTiPSRmMPaRp0.2MpaA%不小于GB/T47010-2010A:退火S：固溶S30408≤0.08≤1.00≤2.0018~208~10.5≤0.035≤0.02≤150S(1010~1150快冷)52020535139~192>150~30050020535——S30403≤0.03≤1.00≤2.0018~208~12≤0.035≤0.02≤150S(1010~1150快冷)48017535——>150~30046017535S31608≤0.08≤1.00≤2.0016~181

4、0~142~3≤0.035≤0.02≤150S(1010~1150快冷)52020535>150~30050020535S31603≤0.03≤1.00≤2.0016~1810~142~3≤0.035≤0.02≤150S(1010~1150快冷)48017535—>150~30046017535S32168≤0.08≤≤17~199~125×≤0.035≤0.02≤150S(920~115052020535—1.002.00C~0.7快冷)>150~30050020535