... ,EN1092-1,SABS1123,AS2129,GOST-128204.Types:plate,slip-on,threaded,socket weld,blind flange5.Process:free forging ... F304,F304L,F316,F316L,316Ti and etc We are a professional manufacture doing flange field for more than ... to all over the world.Based on the long-time experiences,we have a team of skilled worker and ... step.Welcome to our factory and have a business disussion. ANSI 150# carbon steel flange