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Yes, hot-dip galvanized coatings are anti-sparking and non-incendiary as are most zinc coatings. The exception is zinc coating alloys that have 30 to 55% aluminum. It is important to realize if the galvanized steel is struck hard enough, and the zinc coating is penetrated all the way down to the base steel, then the steel could spark of course.

It is important to realize if the galvanized steel is struck hard enough, and the zinc coating is penetrated all the way down to the base steel, then the steel could spark of course.

Source:
Corrosion Resistance of Zinc and Zinc Alloys, by Frank Porter, pg. 97


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