ASTM A1046/A1046M-10a

    Standard Specification for Steel Sheet, Zinc-Aluminum-Magnesium Alloy-Coated by the Hot-Dip Process

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    1. Scope

    1.1 This specification covers zinc-aluminum-magnesium alloy-coated steel sheet in coils and cut lengths.

    1.2 This product is intended for applications requiring corrosion resistance and paintability.

    1.3 The steel sheet is produced in a number of designations, types, grades and classes designed to be compatible with differing application requirements.

    1.4 Product furnished under this specification shall conform to the applicable requirements of the latest issue of Specification A924/A924M, unless otherwise provided herein.

    1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes, excluding those in tables and figures, shall not be considered as requirements of the standard.

    1.6 This specification is applicable to orders in either inch-pound units (as A1046) or SI units (as A1046M). Values in inch-pound and SI units are not necessarily equivalent. Within the text, SI units are shown in brackets. Each system shall be used independently of the other.

    1.7 Unless the order specifies the M designation (SI units), the product shall be furnished to inch-pound units.

    1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings

    A568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for

    A902 Terminology Relating to Metallic Coated Steel Products

    A924/A924M Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process

    E517 Test Method for Plastic Strain Ratio r for Sheet Metal

    E646 Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials


    ICS Code

    ICS Number Code 77.140.50 (Flat steel products and semi-products)

    UNSPSC Code

    UNSPSC Code 30264000(Carbon steel sheets)


    DOI: 10.1520/A1046_A1046M-10A

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