ASTM-B997 › Standard Specification for Zinc-Aluminum Alloys in Ingot Form for Hot-Dip Coatings
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Scope
1.1 This specification covers certain zinc-aluminum (Zn-Al) alloys in ingot form for re-melting for use in the production of hot-dip coatings on steel. Alloy compositions are specified below and in Table 1.
| ASTM | Common | UNS |
| Type 5 | 95/5 Zn/Al | to be assigned |
| Type 10 | 90/10 Zn/Al | to be assigned |
| Type 15 | 85/15 Zn/Al | to be assigned |
Note 1: The zinc-aluminum alloys in Specification B997 are intended to be used primarily to create a molten zinc-aluminum bath and differ from the master alloys in Specification B860 which are intended primarily to adjust the concentration of certain elements in molten zinc galvanizing baths.
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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
GALFAN; hot-dip coating alloy; zinc-5 % aluminum alloy; zinc-10 % aluminum alloy; zinc-15 % aluminum alloy;; ICS Number Code 77.150.60 (Lead, zinc and tin products)
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77.150.60 (Lead, zinc and tin products)
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Document Number
ASTM-B0997-16R21
Revision Level
2016 R21 EDITION
Status
Current
Modification Type
New
Publication Date
Dec. 10, 2021
Document Type
Specification
Page Count
3 pages
Committee Number
B02.04