- pressure boiler tube
- 2016-11-01 02:01
- pressure boiler tube:Application:Generally for boilers and heat exchangersDimensions,mechanical properties,chemical comp
- hot forged round bars
- 2016-10-25 21:10
- hot forged round bars:1.tool steel barength2.hot forged,CK45,42CrMo4,25CrMo1.delivery state :hot forged+round machined +