ansi b16.5 socket welding flange 1.Material:304 304L 316 316L 321 and ... "-24" 3.Standard:ANSI,JIS,DIN,BS,etc ansi b16.5 socket welding flange1.Material:304 304L 316 316L 321 and so ... A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM SA/A 182 F316Ti, ASTM A182 F321 etc.SUS F304, SUS F304L ... 't hesitate to contact us.Best RegardsMindy He ansi b16.5 socket welding flange