... .Material:CS-SS 4.Certificates:API,CE,ISO.. Stainless steel 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", DN15-600, DN650- ... DN2000.Type: Plate, Slip On, Weld Neck, Blind, Threaded, special mode.Material:Carbon steel: ST37.2, RST37.2, S235JR, C22 ...