Alloy Steel(AS) ASTM A213 T1,5,9,11,12,22,91 RF FF RTJ Forged Pipe Flanges of type slip-on(SO) ASTM A213 T1,5,9,11,12,22,91 Flanges, blind(BL) ASTM A213 T1,5,9,11,12,22,91 Flanges, welded(welding) neck(WN) ASTM A213 T1,5,9,11,12,22,91 Flanges, threaded(TH) ASTM A213 T1,5,9,11,12,22,91 Flanges, lapped joint(LJ)ASTM A213 T1,5,9,11,12,22,91 Flanges, socket welded(SW) ASTM A213 T1,5,9,11,12,22,91 Flanges, Orifice ASTM A213 T1,5,9,11,12,22,91 Flanges, long welding neck(LWN) ASTM A213 T1,5,9,11,12,22,91 Flanges, Plate Slip-on ASTM A213 T1,5,9,11,12,22,91 Flanges, Screwed Boss ASTM A213 T1,5,9,11,12,22,91 Flanges, Slip on Boss ASTM A213 T1,5,9,11,12,22,91 Flanges, Plate Flanges(GOST12820-80),Blind Flanges(GOST12836-67), Welding neck Flanges(GOST12821-80), Steel Butt-Welded Flanges GOST12821-80, SOP, SPH, TYPE1(Plate Flanges); TYPE2(Losses Plate Flanges); TYPE5(Blank Flanges); TYPE11(Weld-neck Flanges); TYPE12(Hubbed Slip-on Flanges For Welding); TYPE13(Hubbed Threaded Flanges) ASTM A213 T1,5,9,11,12,22,91 Flanges z
