STD XS XXS Carbon Steel Elbow 1.SIZE:1/2" to ... ,carton steel 3.Stand: ANSI etc. 4.ISO&OEM etc STD XS XXS Carbon Steel Elbow Material: Carbon Steel;Stainless SteelStandard ... as the cutomers' request is avalible.Thinckness: SCH20,SCH30;SCH40,STD,SCH80,SCH10,SCH120,SCH160.Flange Packing: Packed in strongly wooden ...