... .5 Steel flange,Blind flange,carbon steel flange2) Method:free forging,die forging,rolling3) Pressure:150LB-2500LB SIZE:1/2"-72"4) Type:Plate ... ,Slip on,Weld Neck,Blind,Lap Joint,Socket Weld,Threaded,5) Material: Carbon steel:A105,ST37.2,S235JR ... ,Q235,P250GH Stainless steel:F304,F316,316L6) Marking: depends on ...