... , JIS,DIN, BS4504,SABS1123,EN1092-1, UNI, AS2129,GOST-12820,FORGED FLANGE2) TYPE:PLATE,SLIP-ON,WELDING NECK.THREAD,SOCKET WELD ... ) SIZE:1/2-78 INCH(DN15-DN2000)4) MATERIAL:CARBON STEEL :A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.85) SURFACE ...