AISI 304 stainless steel tube: OD:6-159mm, TK:0.3-3.0mm Surface:Mirror ... ,A312,A249,etc Highly anti-rust NameAISI 304 stainless steel tube(weld)ItemsSquare pipes, round pipes, oval pipes, special shaped ... , construction, Sanitation, food industry, upholstery, industry instrument TestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical Composition of Material ...