30crmo合金管\衡陽無縫鋼管廠家定做406*22化學成分
材質(zhì)
|
C
|
Si
|
Mn
|
Mo
|
Cr
|
30CrMo
|
0.26~0.34
|
0.17~0.37
|
0.40~0.70
|
0.15~0.25
|
0.80~1.10
|