40Cr鋼化學成分和物理性能
40Cr鋼的臨界溫度
溫度(近似值)/℃ |
780
770 |
840
805 |
350
328 |
1
2 |
1 用鋼成分(%):0.38C,0.30Si,0.66Mn,0.95Cr,0.18Ni,0.016P,0.028S;
2 用鋼成分(%):0.42C,0.29Si,0.69Mn,0.87Cr,0.14Ni,
南京辦畢業證0.010P,0.013S。
40Cr鋼的彈性模量和切變模量
彈性模量E(20℃) |
/MPa |
200000~211700 |
切變模量G(20℃) |
80800 |
,