... Price 3. Promote Delivery 4. High in Quality JIS FORGED WELDING NECK FLANGES 1. Standards:ANSI,JIS,DIN,BS4504,SABS1123,EN1092 ... -1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. Size:1/2-78 inch (DN15-DN2000 ... ,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8 Stainless Steel: F304 F304L F316 F316L 316Ti5. Surface TreatmentAnti-rust Oil, Transparent/Yellow ...