ASTM A1079
Standard Specification for Steel Sheet, Complex Phase (CP), Dual Phase (DP) and Transformation Induced Plasticity (TRIP), Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process
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Language: English
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About This Item
ASTM A1079 is a technical specification for steel sheet products made as Complex Phase (CP), Dual Phase (DP), and Transformation Induced Plasticity (TRIP) grades, with zinc-coated or zinc-iron alloy-coated protection applied by the hot-dip process. It matters because it helps define a consistent basis for ordering and evaluating coated steel sheet intended to combine formability, strength, and corrosion resistance. For buyers, engineers, and quality teams, ASTM A1079 supports clearer product expectations and more reliable material selection.
What is ASTM A1079?
ASTM A1079 is an ASTM standard that addresses steel sheet in CP, DP, and TRIP grades with either galvanized or galvannealed coating applied by hot-dip methods. In practical terms, it provides a specification framework for coated sheet steel that is commonly selected when a combination of mechanical performance and corrosion protection is needed. The standard helps define the product category so users can reference a common technical document when specifying materials, reviewing compliance, or comparing supplier offerings.
Where is ASTM A1079 used?
This standard is commonly used in the procurement and specification of coated steel sheet for fabrication and manufacturing workflows where strength, formability, and surface protection are important. Because it focuses on CP, DP, and TRIP grades, it is relevant when selecting steel sheet for components that may require advanced mechanical behavior and a zinc-based coating. ASTM A1079 is often used by purchasing teams, material engineers, and quality control personnel working with hot-dip coated sheet stock.
Why is ASTM A1079 important?
ASTM A1079 is important because it gives a recognized reference for ordering and evaluating a specialized class of coated steel sheet. Using a clear specification can reduce ambiguity between suppliers and end users, improve consistency in material acceptance, and support more dependable quality control. For compliance and product evaluation, the standard helps align expectations around the steel grade family, coating type, and general performance characteristics that matter in day-to-day manufacturing and sourcing decisions.
- CP, DP, and TRIP steel sheet grades
- Hot-dip zinc-coated or galvannealed finish
- Material specification and procurement reference
- Quality control and compliance support
- Advanced coated sheet steel applications
- Publication Date: 2023-04-05
- Publisher: ASTM
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