food tube: 1)ISO&PED 2)Top material supplier 3)strict tolerance control 4)Imported equipment Surface180G, 320G, ... test, crystal rot test, heat treatment, NDT Chemical Composition of Material Material Composition201202304316430C≤0.15≤0.15≤0.08≤0.08≤0 ... :Manufacturer Product/Service (We Sell):Stainless steel tube,welded tube,industrial tube,steel pipe,stainless steel sheet,stainless steel tube,stainless ...