... service offered ISO9001authentication, good quality and price 1) ANSI/ASME B16.5 Steel flange,Blind flange,carbon steel flange2) Method:free forging ... :1/2"-72"4) Type:Plate,Slip on,Weld Neck,Blind,Lap Joint,Socket Weld,Threaded,5) Material: Carbon steel:A105 ...