Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
NORMA vydána dne 1.4.2023
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Designation standards: ASTM A153/A153M-23
Publication date standards: 1.4.2023
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification covers standards for zinc coatings applied through hot-drip process on iron and steel hardware. The hot-dip galvanizing process shall form layers of Zn/Fe alloy adhering to the steel surface. This specification is applicable to steel hardware items of Classes A, B, C, and D. The thickness or weight/mass of zinc coating shall conform to specified values for various classes of materials. The coated articles shall be free from uncoated areas, blisters, flux deposits, dross inclusions, and other defects. The coating shall be smooth and reasonably uniform in thickness. Tests shall be performed to determine the minimum coating weight or minimum coating thickness, finish and appearance, embrittlement, adherence, average weight/mass of coating, and average thickness of coating. Guidelines are also given for inspection, rejection and retest, packaging, and certification procedures.
Keywords:
coatings, zinc, galvanized coatings, steel hardware, zinc coated, steel products, metallic coated, zinc coatings, steel products,, ICS Number Code 91.190 (Building accessories)