... C 5.API,CE,ISO flange steel pipe flange,ansi flange,tube flange for pipe joint 1.Products ... Schedule:SCH STD, XS, XXS, SCH 10 ~ SCH 1605. STANDARDS:ANSI, ISO, JIS, DIN, BS, GB, SH, HG, QOST, ... PT type)Size RangeFrom 1/8” to 4” Schedule2000,3000,6000,9000 lbsMaterial Code:1 CARBON STEELASTM A105, ASTM ... certification:ASTM A182 F304/304L, F316/316L, F321, F347, ANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC ...