... ,SABS material:alloy steel.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 ... Slip On, Weld Neck, Blind, Threaded, special mode.Material:Carbon steel: ST37.2, RST37.2, S235JR, C22.8, ...