Carbon Steel Flange 1.Size:DN15-2000 2.Material:A105,SS400,RST37.2, S235 3.ANSI,JIS,DIN,GOST 12820-80, ... steel flange1.flange Size:DN15-2000 2.flange Material:A105,SS400,RST37.2, S2353.flange standards:ANSI,JIS,DIN,GOST 12820 ... /2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8 Stainless Steel: F304 ...