... :1/2"-160" Material:Carbon steel: Q235B, A105,16Mn, 316L 20#; Stainless steel; Alloy steel pad flange Flanges of welding neck, socket ... ,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. Size ... 1/2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.85. ... .Supply Capacity: 10000tons per year High quality pad flange