we produce stainless and alloy steel fitting, grade cover 310, 316 and forged fitting, stainless steel ASTM / ASME SA 403 GR ... 90DEG.LR,SCH.STD,C.ST,NACE. QTY: 2 NOS., ELBOW, 90 DEG, LONG RADISU, BUTT WELD, 8" X SCH. ... FORWARDED FOR KNPC'S APPROVAL PRIOR TO DELIVERY. 1892) ELBOW,12",90 DEG.LR,SCH.STD,C.ST,NACE. QTY: ... KNPC'S APPROVAL PRIOR TO DELIVERY.. American standard pipe fitting 90 degree elbow