Galvannealing 2018-03-21T22:26:38+00:00


Galvannealing is the outcome of combining the annealing and galvanizing processes in order to produce a specialized coating on steel. The process of galvanization is performed via hot-dipping and instantaneous annealing, which produces a matte gray finish.

Galvannealed steel is a steel that is coated in a combination of zinc and iron. This steel is most popular in car manufacturing, although it can be applied in various industries, such as ships and structure construction.

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The Process

Galvannealed is a zinc-iron alloy product, where the base metal is coated by the hot-dip process, then heated to induce alloying between the molten zinc coating and the steel. The resulting finish is a dull matte surface. Galvannealed steel is conducive to welding and the surface is excellent for paint adhesion.