stainless steel flange 1) Available in All Sizes 2) High Quality 3) Ready Stock ... DIN 86341-2000, DIN2505 Carbon steel(ASTM A105, Q235,A350LF2,A350LF3)MaterialStainless steel(ASTM A182 F304, F304L,F316 ... ,F316L,F321,F347,F310F44F51, etcAlloy steel(ASTM A694 F42,F46,F52,F56,F60,F65, ... corrosion and high-temperature resistant with black painting3.All the production process are made under the ...