... Number: LD 013-FL16 Materials: ASTM A105 Name:WN Flanges with Standard Marking, Made of Stainless SteeMaterials: ASTM A105A350 LF1, LF2 ... /316L, F316H, F310, F321A182 F11, F22Type: welding neck, slip-on, threaded, lap-joint, socket welding, and blindManufacturing standards: API, ANSI, BS ... interest,please contact me .Longjunpipe04 at gmail com WN Flanges with Standard Marking, Made of Stainless Steel