... , Payment: T/T, L/C carbon steel pipe eblows fitting 180 angle ProductsCarbon Steel Elbow Materialcarbon steel (seam & seamless)Standard GB ... , ANSI, ANTM, MSS, JISSize1/2"-48"Angles45 Deg, 90 Deg, 180 DegWall thicknessSCH20, SCH30, SCH40, STD, SCH80, SCH100, SCH120, SCH160Surface treatmentblack ... , alloy steel and carbon steel. carbon steel pipe eblows fitting 180 angle