... B161,163,165,167,407,444 Steel Grade: ALLOY200,400,600,625,800,800H,825 nickel alloy steel pipe(825 tube)Grade ... : Alloy 200, 400, 600, 625, 800, 800H, 825, 904LStandard: ASTM B 161, 163, 165, 167 ... 1.2904L0.021.002.000.0450.03523 - 2819 234 5 inconel 600 pipe