A zinc coating is a well-known and effective way of adding a layer of protection against bare steel from the natural elements that cause corrosion. Not only will zinc play the role of a barrier between the environment and the steel, but it will also allow itself to decompose first to protect the steel underneath and promote its longevity.
What Does Z275 Mean?
Z275 refers to the coated steel sheet’s coating weight designation.
Today, the ASTM standard dictates and defines the type of coating for these products. For instance, the most common ASTM standard on the market today is A653A or A653M; this covers all hot-dip galvanized merchandise.
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