This standard specifies the technical requirements, test methods and inspection rules for stainless steel forgings for pressure vessels. This standard applies to stainless steel forgings for pressure vessels with design pressures not greater than 35MPa.
JB 4728-2000 history
2017NB/T 47010-2017 Stainless steel and heat-resistant steel forgings for pressure equipment
2010NB/T 47010-2010 Stainless steel and heat-resistant steel forgings for pressure equipment
2000JB 4728-2000 Stainless steel forgings for pressure vessels
1970JB 4728-1994 Stainless steel forgings for pressure vessels
JB 4728-2000 Stainless steel forgings for pressure vessels was changed to NB/T 47010-2010 Stainless steel and heat-resistant steel forgings for pressure equipment.