Trent 10max tubing of type 316L welded stainless steel is electropolished to a surface smoothness of 10 μin. (0.25 μm) Ra. Trent 15max is electropolished to 15 μin. (0.38 μm) Ra surface smoothness. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming and surface treatment. Filing Code: SS-938. Producer or source: Crucible Trent Tube.