welding neck stainless steel flange .The main material is 304 316 316L 2205 2507 etc . Stainless Steel Flange size: 1/2''-24'' wall thickness: sch 5- sch 160XXS standard: ISO, ANSI,JIS,DIN,GB ect.1,Product: Stainless Steel FlangeWelded Neck Flange,Slip on Flange,Plate Flange, Blind Flange, Socket Welded Flange, Lap Joint Flange, Threaded Flange, Etc.2, Standard:ANSI B16.5,DIN,JIS,MSS-SP 44, A 182 ...