Inox Steel Tube 1.Grade:201,202,301,304,316L,etc ... WELDED TYPE:TIG From the nature, To the excellence. NameInox Steel TubeItemsSquare tubes, round tubes, oval pipes, special shaped pipes, ... , balcony,fence,bench,furniture,etcTestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical Composition ... (HV)<105<100<90<90View of the factory Package Inox steel tube