... / Intergranular Corrosion, according to customers' requests. NameStainless Steel TubeItemsSquare pipes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittingsStandardASTM A554, A249 ... : +/- 0.02mmc) Length: +/- 5mmSurface180G, 320G, 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finishApplicationSanitary, food industry, Decoration, construction,upholstery, industry instrument ...