... /2'' to 60'' flange 3.high quality flange 4.short delivery flange 5.ISO,API,CE Stainless steel ... C276, Monel 400, Monel K500WPS 31254 S32750, UNS S32760 4 STAINLESS STEEL ASTM A403 WP304/304L, WP316/316L, WP321, ... C276, Monel 400, Monel K500WPS 31254 S32750, UNS S32760 4 STAINLESS STEEL ASTM A182 F304/304L, F316/316L, F321, ... Facility Certificate: Package: stainless steel flange for pipeline joint flange