There are many different types of surface finish on stainless steel. 10088-2 (for full list see Specifying finishes for stainless steel flat products (sheet and plate)
Stainless Sales offers a variety of stainless steel finishes from HRAP to 2B to 2D to bright annealed. but a final light rolling pass gives the surface a smooth, reflective gray sheen. It is the standard finish for 201, 301, 304, 304L and 316L.
page 36 for stainless steel tubular products (tube, pipe, . plate processing; coil processing and surface finishing. The Core BS 10 Flanges 316L Table E.
Stainless steels are iron alloys (low-carbon steel) to which chromium has been added. 316/316S31 (also known as A4 or 1.4401) and 316L/316S11 (1.4404). Surface finishes: are important for more than just aesthetic considerations. All steel sheet is hot-rolled as a first rolling step, after which it is annealed in order to
Chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels and coating as a surface protection. No.4. Produced Thickness (mm). Coil width (mm). Finish. 304/304L. 5.0. 1500. 2B. 316/316L. 6.0. 2000. No.1.