1) Carbon steel fitting and stainless steel fitting 2) Standard: ASME, ANSI, API, JIS, DI 1) Carbon steel fitting and stainless steel fitting 2) Standard: ASME, ANSI, API, JIS, DIN 3) Material: WPB234, 316L, 304L, 321, 321H 4) Size: 1/2" - 24"5) Production with anneal solution for stainless performance Outer packing: Seaworthy plywood case Carbon Steel Pipe Fittings-90 Degree Elbow