15crmo 20crmo化学成分编辑
牌号
|
化学成分(质量分数)(%)
|
||||||||
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
|
牌号
|
拉力强度mpa
|
屈服点mpa
|
伸长率(%)
|
15crmo
|
440~640
|
235
|
21
|