... line 3.ISO&OEM 4.high quality Carbon Steel Seamless Elbow 45,90,180 LR/SR Material: Carbon Steel;Stainless SteelStandard: ANSI ... as custormer's request;Special design as the cutomers' request is avalible.Thinckness: SCH20,SCH30;SCH40,STD,SCH80,SCH10,SCH120,SCH160 ... .Flange Packing: Packed in strongly wooden case,plywwod cases or as custormers' requirment, ...