This standard specifies the technical requirements, inspection rules, test methods, quality certificates and markings for general-purpose large forgings. This standard applies to the ordering, manufacturing and inspection of large forgings of carbon steel and alloy structural steel free-forged by hydraulic presses and forging hammers.
JB/T 5000.8-1998 history
2007JB/T 5000.8-2007 Heavy mechanical generai techniques and standards.Part 8: Forging
1998JB/T 5000.8-1998 The heavy mechanical general techniques and standards.Forging