ASTM B860-05

    Standard Specification for Zinc Master Alloys for Use in Hot Dip Galvanizing

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    1. Scope

    1.1 This specification covers zinc master alloys which are used in hot dip galvanizing for the purpose of adjusting the concentration of certain alloying elements in the molten zinc bath. Table 1 covers the chemical composition of these materials which include four master alloys of zinc-aluminum (brightener) and one master alloy of zinc-antimony.

    ASTMCommonUNSType A-190/10 Zn/Al High PurityZ30750Type A-290/10 Zn/Al Low PurityZ31710Type A-395/5 Zn/Al High PurityZ30503Type A-495/5 Zn/Al Low PurityZ31510Type A-596/4 Zn/Al High Purity...Type A-696/4 Zn/AlLow Purity...Type S-190/10 Zn/SbZ55710

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.3 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.


    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

    B897 Specification for Configuration of Zinc and Zinc Alloy Jumbo Block and Half Block Ingot

    B899 Terminology Relating to Non-ferrous Metals and Alloys

    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

    ISO 3815-1 Zinc and zinc alloys -- Part 1: Analysis of solid samples by optical emission spectrometry

    ISO 3815-2 Zinc and zinc alloys -- Part 2: Analysis by inductively coupled plasma optical emission spectrometry


    UNSPSC Code

    UNSPSC Code 11101719(Zinc)


    DOI: 10.1520/B0860-05

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