... Flanges Standard:ANSI ASME,DIN,GB Material:carbon,stainless alloy steel ISO9001:2008 carbon steel /alloy Flat Slip-on Bind /Toruseal ... (WNF), blind flange, orifice flange, reducing flange, pad type flange, loose hubbed flange, welding plate flange, welding neck ... :1.Standard:ANSI,ASTM,ASME,DIN,GB2.Material:carbon steel,stainless steel and alloy steel3.OD:685mm ,thickness153mm,R12mm4.:Techniques ...