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ASTM A90 – Standard Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings


This test method covers procedures for determining the weight (mass) of coating on iron or steel sheet, wire, and other articles in which the coating is zinc or a zinc alloy, such as zinc-5% aluminum (including zinc-5% aluminum-mischmetal and zinc-5% aluminum-0.1% magnesium), zinc-aluminum-magnesium (including zinc-5 to 9% aluminum-magnesium and zinc-9 to 13% aluminum-magnesium) or 55% aluminum-zinc.


weight of coating; mass of coating; iron article; steel article; zinc coating; zinc-alloy coating


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