... PL, BL, THRD, LAP-JOINT, SW carbon steel ANSI flangeThe welding neck flange is normally referred to ... create a hazard Process: Free Forging, Mould Forging, Upset Forging.Main Material:Carbon Steel,ASTM A 105, ASTM A ... , 347H, 347LN, 348, 348H, 904, 904L etc.Alloy Steel,ASTM A182 F1, F5a, F9, F11, F12, F22, ... DIN 1.4462 SAF2205 SA182 F51Super duplex stainless steel,Super duplex 2507 UNS S32750 F53 ASTM ...