|
|
15crmo鋼板; 15crmo鋼板;15crmo鋼板;
牌號
|
化學成分(質量分數)(%)
|
||||||||
|
C
|
Mn
|
Si
|
Cr
|
Mo
|
Ni
|
Nb+Ta
|
S
|
P
|
15CrMo
|
0.12~0.18
|
0.40~0.70
|
0.17~0.37
|
0.80~1.10
|
0.40~0.55
|
≤0.30
|
_
|
≤0.035
|
≤0.035
|
牌號
|
拉力強度MPa
|
屈服點MPa
|
伸長率(%)
|
15CrMo
|
440~640
|
235
|
21
|