Sign In | Join Free | My chinacomputerparts.com |
|
ASTM A29/A29M-04 4130 30CrMo SCM430 34CrMo4 Alloy Steel Seamless Steel Pipe For Steam Turbine Material: 4130 30CrMo SCM430 34CrMo4 Standard: ASTM A29/A29M-04 30CrMo steel is alloy steel for ...