... of carbon steel flangeNameCarbon Steel FlangeTypeWN flange,SO flange,T flange,Blind flange,LJ flange,SW flange and Threaded flangeSize1/2'' ~240 ... Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM A105, ST37 ... , 300LBS, 600LBS, 900LBS, 1500LBS. Welding Neck Flange, Slip-On Flange, Blind Flange; DIN FLANGES: DIN2527, DIN2573, DIN2576, DIN2633, DIN2566 DIN2543, ...