we produce stainless and alloy steel fitting, grade cover 310, 316 and forged fitting, stainless steel ASTM / ASME SA 403 GR WP "S ... , 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347H 1) ELBOW,8",90DEG.LR,SCH.STD,C.ST,NACE. QTY ... FOR KNPC'S APPROVAL PRIOR TO DELIVERY.. American standard pipe fitting 45 degree elbow