... passed CCS,BV,PED,ISO9001:2008 and other certificate. 1).forging scope:dimeter 5200mm or smaller2).weingt: 6T or less3).material ... steel,bearing steel,stainless steel,etc.4).use for wind power generation,nuclear power generation,ship,pressure vessels,petrochemical,machinery manufacturing,aviation and ... -huouse or third party inspection available upon request. forged steel wind power flange