AISI 304 stainless steel tube: OD:6-159mm, TK:0.3-3.0mm Surface: ... A312,A249,etc Highly anti-rust NameAISI 304 stainless steel tube(weld)ItemsSquare pipes, round pipes, oval pipes, special shaped pipes, empaistic ... , 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finishApplicationDecoration, construction, Sanitation, food industry, upholstery, industry instrument TestSquash test, extended test ...