碳钢及合金钢硬度与强度换算值硬度抗拉强度Rm,N∕mm2洛氏表面洛氏维氏布氏(F∕D2=30)碳钢修钢辂机钢辂傀钢辂例钢«铝钢W硅钢超高强度钢不锈钢HRCHRAHR15NHR30NHR45NHVHBSHBW2060.268.840.719.222622577474273678274778174020.560.46941.219.82282277847517447877...

时间:2024-11-02 13:33栏目:行业资料