1.3.33 黑色金属硬度及强度换算之二(表1-46)

表1-46黑色金属硬度及强度换算之二(GB1172-74)硬度抗拉强度MPa硬度抗拉强度MPa洛氏表面洛氏维氏布氏洛氏表面洛氏维氏布氏HRBHR15THR30THR45THVHB10D2d10、2d54d2.5mmHRBHR15THR30THR45THVHB10D2d10、2d54d2.5mm100.099.098.097.096.095.094.093.092.091.090.089.088.087.08 ......（本文共 1250 字 ）     [阅读本文] >>