ASTM-B860 2022

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B860-18(2022) Standard Specification for Zinc Master Alloys for Use in Hot Dip Galvanizing

Published By	Publication Date	Number of Pages
ASTM	2022	3

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Categories: 77.120.60 - Lead, zinc, tin and their alloys, ASTM

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Description

ASTM B860-18-Reapproved2022

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

ASTM B860

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

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.

Keywords

brightener; zinc; zinc alloys; zinc-aluminum alloy; zinc-antimony alloy; zinc master alloys; zinc metal;

ICS Code

ICS Number Code 77.120.60 (Lead, zinc, tin and their alloys)

DOI: 10.1520/B0860-18R22

Additional information

Type A-4	95/5 Zn/Al
Type A-5	96/4 Zn/Al
Type A-2	90/10 Zn/Al
Type A-3	95/5 Zn/Al
Type S-1	90/10 Zn/Sb
Type A-6	96/4 Zn/Al
ASTM	Common
Type A-1	90/10 Zn/Al
ICS Codes	77.120.60 - Lead, zinc, tin and their alloys