... flange,competitive price flange,ISO,KS standard stainless steel flange1.ISO 9001-2000 2.150-2500Lbs ... /F5/F9/F11/F22/F91/Etc.Duplex stainless steelASTM A182 F51/F53/F55/F60 Nicke ... ,70/30ProcessFree forging, plate cutting.PrintingCarbon steel and alloy steel with yellow print, black print, oil ... WELDING NECK FLANGE, SLIP-ON FLANGE, BLIND FLANGE,HIGH HUB BLIND FLANGE, SOCKET WELD FLANGE.LAPJOINT FLANGE, ...