A Two-Side Hot-Dip Galvanized Steel Product for Exposed Automotive Body Panels

The processing, product characteristics, properties and performance are discussed for PAINT-TITE B, a one-side hot-dip galvanized, one-side galvannealed sheet steel product applicable to exposed automotive body panels. The critical control exercised over the thermal input to limit zinc-iron alloy growth is described as essential for imparting the desirable coating characteristics. Product appearance, formability, corrosion resistance, paintability, and weldability are discussed as related to exposed panel criteria. Successful stamping plant experience is summarized.