... carbon steel flange 5.API,CE,ISO A105 ASME B16.9 carbon steel flange 1.Products Items ... XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, WPL6, WPHY- ... WPHY-60, WPHY-65, WPHY-70,2 ALLOY STEELASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP913 ... ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC. ASME B16.11ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum ...