... Standard, Steel Grade: ASTM A179 Grade A,C,DDelivery Conditions: Heat treatment or over 1200°F(650) after cold-drawnInspections and Tests ... ), Dimension and Surface Test, Non-destructive Test, Hydrostatic Test.Surface treatment:Oil-dip, Varnish, Passivation, Phosphorization, Shot Blasting. SA179 shell tube ...