1.Size:DN650 2.WT:SCH160 3.Material:A420 WPL6 4.Standard:ANSI B16.9 ProductsCarbon Steel Elbow Materialcarbon steel (seam & seamless)Standard GB ... , ANTM, MSS, JISSize1/2"-48"Angles45 Deg, 90 Deg, 180 DegWall thicknessSCH20, SCH30, SCH40, STD, SCH80, SCH100, SCH120, SCH160Surface treatmentblack paint, varnish ...