... reducer,tee,caps,flange,tube etc.. 1) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS ... 2,500mm5) Production with anneal solution for stainless performance6) Special design availablePacking:wooden cases or ... joint, blind, spectacle, orifice, ring and long welding neck flanges.SIZE: 1/2 inch-72 inchWALL THICKNESS ... give you details. BS stainless steel Welding Neck Flange