... .Thickness:0.5mm-8mm StandardJIS, AISI, ASTM, GB, DIN, ENTypeRound ,Square ,Dia2mm-400mm, 20*20mm-600*600mmThickness0.5mm-60mmTechForged ,hot rolled ... with your requirement.WELCOME TO STEEL SHUN .CO.LTD 300 series 304 stainless steel square pipes