ISO 1461 Hot-Dip Galvanized Coatings on Iron & Steel Articles
ISO 1461:1999 (DIN EN ISO 1461) specifies hot-dip galvanized coatings applied after fabrication: minimum local and mean coating thickness by section thickness class, finish requirements and test methods..
Scope
ISO 1461:1999 (DIN EN ISO 1461) specifies hot-dip galvanized coatings applied after fabrication: minimum local and mean coating thickness by section thickness class, finish requirements and test methods.
Mechanical & Performance Requirements
Coating thickness minimums: steel ≥6 mm thick: local 70 µm / mean 85 µm; 3–6 mm: 55/70 µm; <3 mm: 45/55 µm; castings: 70/80 µm class; adhesion inherent to metallurgical bond.
Dimensional Tolerances
Thickness minima by class table; coating mass (g/m²) conversion via ISO 1460; repair-paint thickness for damaged areas.
NDE & Hydrostatic Testing
Magnetic thickness measurement per ISO 2178 (reference areas per part size); Preece/weighing methods for verification; visual finish (no blisters, bare spots).
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