ASTM A918-25

Podrobné informácie

Označenie: ASTM A918-25

Dátum vydania: 01.10.2025

Stránok: 3

Krajina: Americká technická norma

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Anotácia

This specification covers zinc-nickel alloy coatings applied by the electrolytic process to hot-rolled and cold-rolled steel sheets for applications requiring designation of the coating mass on each surface. Coating application shall be done on one or both surfaces with equal or differential coating masses and similar levels of corrosion protection, and shall have no effect on the base metal mechanical properties. The coated sheets may be available as commercial steel (CS), drawing steel (DS), deep drawing steel (DDS), extra-deep drawing steel (EDDS), structural steel (SS), high-strength low-alloy steel (HSLAS), high-strength low-alloy steel with improved formability (HSLAS-F), solution-hardened steel (SHS), or bake-hardenable steel (BHS). Coatings shall be designated accordingly, and shall undergo test methods such as weigh-strip-weigh method, and nondestructive X-ray fluorescence measurement. Individual coating designations should conform to coating mass, thickness, and composition requirements.


Keywords:
electrolytic coating, steel sheet-zinc nickel alloy coated, zinc-nickel alloy coated, zinc-nickel alloy coated steel sheet,, ICS Number Code 77.140.50 (Flat steel products and semi-products)