不銹鋼和工具鋼的線脹系數(shù),見表2-25。表2-25不銹鋼和工具鋼的線脹系數(shù)(單位:×10-6/℃)材料牌號溫度范圍(℃)20~10020~20020~30020~40020~50020~60020~70020~90012Cr13(1Cr13)11.212.6 14.1 14.3 20Cr13(2Cr13)10.511.011.512.012.0 30Cr13(3Cr13) (共 709 字) [閱讀本文] >>
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 不銹鋼和工具鋼的線脹系數(shù),見表2-25。表2-25不銹鋼和工具鋼的線脹系數(shù)(單位:×10-6/℃)材料牌號溫度范圍(℃)20~10020~20020~30020~40020~50020~60020~70020~90012Cr13(1Cr13)11.212.6 14.1 14.3 20Cr13(2Cr13)10.511.011.512.012.0 30Cr13(3Cr13) (共 709 字) [閱讀本文] >>