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Pickiling & Passivation

Stainless steels rely on a very thin surface passive film for their corrosion resistance. It is vital to maintain and preserve the integrity of the passive film. When a Stainless is welded this passive film is damaged and the affected areas require repair by pickling & passivation which is achieved via a dip system. Once this process is complete a constant and sufficient availability of oxygen at the surface of the stainless steel must be achieved for best results.