... steel different kinds of flanges with carbon steel or stainless steel Flange Introduction: Size: from 1/2" to 80"( dn15 to dn2000)Materials: carbon ... flange and so on.Standards: KS B1502, JIS B2203, KS B1503, JIS B2220, JIS B2216, ANSI 16.5, ANSI B16.36, ANSI B36.1O-ANSI B36. ... 19, ASME B16.47 SER, B(AP1605), ASME B16, 47SER, A(MSS), ...