ASTM B86-98e1

    Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings

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    1. Scope

    1.1 This specification covers commercial zinc and zinc-aluminum castings, as designated and specified in . Seven alloy compositions are specified and designated as follows:

    UNS ASTMACOMMON
    Z33520AG 40AB Alloy 3
    Z33523AG 40B Alloy 7
    Z35531AC 41AB Alloy 5
    Z35541AC 43A Alloy 2
    Z35636ZA-8
    Z35631ZA-12
    Z35841ZA-27
    ASee Table 1 , Footnote B
    BSAE Specification, Nos. 903 and 925 conform to the requirements for alloys AG40A and AC41A, respectively.

    1.2 Zinc Alloys Z33520, Z33523, Z35531, and Z35541 are used primarily in the manufacture of pressure die castings. Zinc-Aluminum Alloys Z35636, Z35631, and Z35841 are used in the manufacture of both foundry and pressure die castings.

    1.3 The values stated in inch-pound units are to be regarded as the standard.

    1.4 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 become familiar with all hazards including those identified in the appropriate Material Data Sheet for this product/material as provided by the manufacturer, 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

    B240 Specification for Zinc and Zinc-Aluminum (ZA) Alloys in Ingot Form for Foundry and Die Castings

    B275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought

    B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products

    B899 Terminology Relating to Non-ferrous Metals and Alloys

    B949 Specification for General Requirements for Zinc and Zinc Alloy Products

    E8 Test Methods for Tension Testing of Metallic Materials

    E23 Test Methods for Notched Bar Impact Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys

    E634 Practice for Sampling of Zinc and Zinc Alloys by Spark Atomic Emission Spectrometry

    Federal Standard

    Fed.Std.No.123 Marking for Shipment (Civil Agencies)

    Military Standard

    MIL-STD-129 Marking for Shipment and Storage (Military Agencies)

    Military Specification

    MIL-P-116 Methods of Preservation


    ICS Code

    ICS Number Code 77.150.60 (Lead, zinc and tin products)

    UNSPSC Code

    UNSPSC Code 11101719(Zinc)


    DOI: 10.1520/B0086-98E01

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