... Description Field application: For tubular heat exchangers,condensers, and similar heat transfer apparatus.Production Standard, Steel Grade ... or over 1200°F(650) after cold-drawnInspections and Tests Performed: Chemical Composition, Mechanical Properties(Tensile ... Flaring, Flattening, Flange, Hardness, Impact Test), Dimension and Surface Test, Non-destructive Test, Hydrostatic Test.Surface treatment ...