... steel flange 5.API,CE,ISO A105 ASME B16.9 carbon steel flange 1.Products Items:Slip-on ... :SCH STD, XS, XXS, SCH 10 ~ SCH 1605. STANDARDS:ANSI, ISO, JIS, DIN, BS, GB, SH, HG, QOST, ... l FORGED PIPE FITTINGS Production Nameelbow ,street elbow,boss, tee, coupling ,half coupling,cap,plug,union,hex nipple ... certification:ASTM A182 F304/304L, F316/316L, F321, F347, ANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST, ...