Forged by 1400t rotary forging machine and then machined to size.
Material: 45#,35CrMo,42CrMo,48CrMoA
Specification: OD??70????20,ID??00????40. if order or inquiry please mention:
*Outer diameter
*Inner diameter
*Length
*Delivery can be rough-machined, heat-treaded or finished-machined.