Mar 12, 2013 · G90 is not a galvanizing specification; it is a coating thickness designation in the galvanizing specification ASTM A653. This specification is for hot-dip galvanizing steel sheet using the continuous (high-speed) galvanizing process. ASTM A123, Standard Specification of Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products, refers to products fabricated and then hot-dip
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Nov 19, 2012 · Aluminum/Zinc Coated Carbon steel sheet that meets ASTM A792-96. Even water run off from these metal will cause corrosion of the steel. Aluminum. Conforms to ASTM B209-96. Either:Wrought have high tensile strengths and are 85% of aluminum usage. Standard Alloys for Roofing and Cladding; Read Content
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