4.3.5.3 低碳钢的硬度和抗拉强度换算对照表^[17](表2-4-12)

表2-4-12硬度抗拉强度MPa洛氏表面洛氏维氏布氏HRBHR15THR30THR45THVHB10D2d102d54d2.5mm100.099.599.098.598.097.597.096.596.095.595.094.594.093.593.092.592.091.591.090.590.089.589.088.588.087.587.086.586.085.585.084.584.091.591.391.291.190.990.890.690.590.490.290.189.989.889.78 ......（本文共 2468 字 ）     [阅读本文] >>