所屬欄目:五金
表1-38碳鋼、合金鋼硬度與強度換算值硬度抗拉強度σb(MPa)洛氏表面洛氏維氏布氏(F/D2=30)碳鋼鉻鋼鉻釩鋼鉻鎳鋼鉻鉬鋼鉻鎳鉬鋼鉻錳硅鋼超高強度鋼不銹鋼HRCHRAHR15NHR30NHR45NHVHBSHBW20.020.521.021.522.060.260.460.761.061.268.869.069.369.569.840.741.241. ......(本文共 5097 字 ) [閱讀本文] >>