... steel tubes for tubular heat exchangers, condensers, and similar ones Field application: For tubular heat exchangers, ... treatment or over 1200°F(650) after cold-drawnInspections and Tests Performed: Chemical Composition, Mechanical Properties(Tensile Strength, ... , Flaring, Flattening, Flange, Hardness, Impact Test), Dimension and Surface Test, Non-destructive Test, Hydrostatic Test.Surface treatment:Oil ...