... , Seam & Seamless 3, Painted: black, varnish, antirust oil pipe elbows1, Products: 90 Deg. LR Elbow, 90 Deg. SR Elbows, 180 Deg. LR ... . SR Elbow 2, Thickness: SCH20, SGP, STD, SCH40, XS, SCH80, SCH160, XXS 3, Dimension: 1/2" to 72" 4, Material: carbon steel, alloy steel ... III JIS B2311 JIS B2312 JIS B2313 A234WPB,DIN,JIS carbon steel pipe elbow