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Full Description

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 six master alloys of zinc-aluminum (brightener) and one master alloy of zinc-antimony.

 ASTM

Common

 

 UNS

Type A-1

90/10 Zn/Al

High Purity

Z30750

Type A-2

90/10 Zn/Al

Low Purity

Z31710

Type A-3

95/5  Zn/Al

High Purity

Z30503

Type A-4

95/5  Zn/Al

Low Purity

Z31510

Type A-5

96/4  Zn/Al

High Purity

Z31520

Type A-6

96/4  Zn/Al

Low Purity

Z30504

Type S-1

90/10 Zn/Sb

 

Z55710

Note 1: The master alloys in Specification B860 are intended to be used primarily in hot-dip galvanizing to adjust the concentration of certain elements in a molten zinc bath, and differ from the zinc-aluminum alloys in Specification B997 which are intended to be used primarily in molten zinc-aluminum.

1.2 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.

1.3 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 Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM B860-18

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

    • Most Recent
  2. ASTM B860-17


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

    • Historical Version
  3. ASTM B860-16


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

    • Historical Version
  4. ASTM B860-15


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

    • Historical Version
  5. ASTM B860-13


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

    • Historical Version
  6. ASTM B860-09ae1


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

    • Historical Version
  7. ASTM B860-09a


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

    • Historical Version
  8. ASTM B860-09


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

    • Historical Version
  9. ASTM B860-08


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

    • Historical Version
  10. ASTM B860-07


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

    • Historical Version
  11. ASTM B860-05


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

    • Historical Version
  12. ASTM B860-02


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

    • Historical Version
  13. ASTM B860-01E1


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

    • Historical Version
  14. ASTM B860-01


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

    • Historical Version
  15. ASTM B860-00


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

    • Historical Version