Weld Neck Flange:pipe flange, stardard:ISO,ASTM,ASME,API,MSS,EN,BS,DIN,JPI,SABS material:alloy steel.stainless steel,carbon s ... High Quality Weld Neck FlangeS235JR Carbon Steel Flange(UNI2276, UNI6083 ... /2"- 80", DN15-600, DN650-DN2000.Type: Plate, Slip On, Weld Neck, Blind, Threaded, special mode.Material:Carbon steel: ST37.2 ...