Weld Neck Flange:pipe flange, stardard:ISO,ASTM,ASME,API ... stainless steel,carbon s High Quality Weld Neck FlangeS235JR Carbon Steel Flange(UNI2276, UNI6083, UNI6089, UNI2280-2285, ... UNI2253, UNI6092 etc.) Method: By forging, forged flange, carbon steel flangePressure:PN6-PN100Size: 1/2"- 80", ... 600, DN650-DN2000.Type: Plate, Slip On, Weld Neck, Blind, Threaded, special mode.Material:Carbon steel: ST37 ...