ASTM B792-08

    Standard Specification for Zinc Alloys in Ingot Form for Slush Casting

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    1. Scope

    1.1 This specification covers commercial zinc alloys in ingot form for remelting for the manufacture of castings from the alloys as specified and designated as shown in Table 1.

    1.2 Slush casting alloys are used primarily for the manufacture of hollow castings such as lighting fixtures, lamp bases, and small statues.

    1.3 This specification covers two zinc alloys which are specified and designated as follows:

    UNSASTM
    Z34510Slush Casting Alloy A
    Z30500Slush Casting Alloy B

    1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.5 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 Safety Data Sheet (MSDS) 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.

    TABLE 1 Chemical and North American Color Code RequirementsA,B

    Composition, %
    UNS Z34510
    Slush Casting Alloy A
    UNS Z30500
    Slush Casting Alloy B
    Color CodeCBlack/RedBlack/Orange
    Element
    Copper 0.20.3 0.1 max
    Aluminum4.505.00 5.255.75
    Lead 0.007 max0.007 max
    Cadmium 0.005 max0.005 max
    Tin 0.005 max0.005 max
    Iron 0.100 max0.100 max
    Magnesium0.010 max0.010 max
    Zinc RemainderRemainder

    A The following applies to all specified limits in this table. For purposes of determining conformance with this specification, the observed or calculated value obtained from analysis shall be rounded off to the nearest unit in the last right-hand place of figures used in expressing the specified limit, in accordance with the rounding method of Practice E 29.

    B UNS designations were established in accordance with Practice E 527.

    C Refer to Practice B 908. (Note: Colors indicated are for North American applications.)


    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

    B899 Terminology Relating to Non-ferrous Metals and Alloys

    B908 Practice for the Use of Color Codes for Zinc Casting Alloy Ingot

    B949 Specification for General Requirements for Zinc and Zinc Alloy Products

    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

    ISO Standards

    ISO3815-1 Zinc and zinc alloys -- Part 1: Analysis of solid samples by optical emission spectrometry

    ISO3815-2 Zinc and zinc alloys -- Part 2: Analysis by inductively coupled plasma optical emission spectrometry


    ICS Code

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

    UNSPSC Code

    UNSPSC Code 30262900(Zinc ingots strips billets and coil)


    DOI: 10.1520/B0792-08

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