... WT:0.3-30mm 4)Surface:2B,BA,NO.1,Mirror Stain StandardASTM A554, A249, A269 and A270Material Grade201: Ni 0 ... : +/- 5mmSurface180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finishApplicationDecoration, construction, Sanitation, food industry, upholstery, industry instrument TestSquash test ... .54-68-10.510-14 Mo 2.0-3.0 large diameter stainless steel pipe/tube