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 (表1-30)表1-30碳素钢的各种硬度值与抗拉强度对应值布氏硬度HB洛氏硬度维氏硬度HV肖氏硬度HS碳素钢的抗拉强度σb近似值/MPaHRAHRBHRC 85.685.385.0 68.067.567.0940920900979695 76775774573372271069868484.784.484.183.883.483.082.682.2 66.465.965.364.764.063.3 (共 1606 字) [阅读本文] >>