80MOCRV42-16,80MOCRV42-16,80MOCRV42-16价格,80MOCRV42-16厂家,80MOCRV42-16报价,80MOCRV42-16多少钱,80MOCRV42-16冶日钢铁,80MOCRV42-16材质
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80MOCRV42-16合金圆钢-轴承钢

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简介80MOCRV42-16学成分(质量分数、%)C 0.47~0.55、Si 0.17~0.37、Mn 0.50~0.80、P≤0.035、S≤0.035、Ni≤0.30、Cr≤0.15、Cu≤0.25、 力学性能 抗拉强度 σb (MPa):≥630(64) 屈服强度 σs (MPa):≥375(38) 伸长率 δ5 (%):≥14 断面收缩率 ψ (%):≥40 冲击功 Akv (J):≥31(4) 冲击韧性值 αkv (J/cm2):≥39(4) 硬度:未热处理、≤241HB;退火钢、≤207HB


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