推荐回答（1个）
在一般的计算时，大都是取7.8或者7.85 g/cm3，不过各种钢材由于其充分的不同，密度还是会有差别，以下是常用钢铁材料的度
名称 牌号 密度/（g/cm3）
灰铸铁 HT100～HT350 6.6--7.4
白口铸铁 S15、P08、J13等 7.4--7.7
可锻铸铁 KT30-6～KT270-2 7.2--7.4
铸钢 ZG45、ZG35CrMnSi等 7.8
工业纯铁 DT1--DT6 7.87
普通碳素钢 Q195、Q215、Q235、Q255、Q275 7.85
优质碳素钢 05F、08F、15F 10、15、20、25、30、35、40、45、50 7.85
碳素工具钢 T7、T8、T9、T10、T12、T13、T7A、T8A、T9A、T10A、T11A、T12A、T13A、T8MnA 7.85
易切钢 Y12、Y30 7.85
弹簧钢丝 Ⅰ、Ⅱ、Ⅱa、Ⅲ 7.85
低碳优质钢丝 Zd、Zg 7.85
锰钢 20Mn、60Mn、65Mn 7.81
铬钢 15CrA 20Cr、7.74
30Cr、 7.82
40Cr 38CrA 7.80
铬钒钢 50CrVA 7.85
铬镍钢 12CrNi3A、20CrNi3A 37CrNi3A 7.85
铬镍钼钢 40CrNiMoA 7.85
铬镍钨钢 18Cr2Ni4WA 7.8
铬钼铝钢 38CrMoA1A 7.65
铬锰硅钢 30CrMnSiA 7.85
铬锰硅镍钢 30CrMnSiNi2A 7.85
硅锰钢 60Si2nMnA 7.85
硅铬钢 70Si2CrA 7.85
高强度合金钢 GC-4、GC11 7.82
高速工具钢 W9Cr4V W18Cr4V 8.3 8.7
轴承钢 GCr15 7.81
不锈钢
0Cr13、1Cr13、2Cr13、3Cr13、4Cr13 7.7
Cr14、Cr17 7.75
Cr17Ni2、Cr18、9Cr18、Cr25、Cr28 7.85
0Cr18Ni9、1Cr18Ni9 7.85
1Cr18Ni9Ti、2Cr18Ni9 7.9
Cr18Ni11Nb 7.9
1Cr23Ni18、Cr17Ni3Mo2Ti 7.52
1Cr18Ni11Si4A1Ti 8.5
2Cr13Ni4Mn9 8.0
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