1.1 This specification covers commercial zinc, zinc-aluminum castings and continuous cast bar stock, as designated and specified in Table 1. Seven alloy compositions are specified and designated as follows:
| Common | Traditional | ASTM A | UNS |
|---|
| | | |
| Alloy 3 | Zamak 3 | AG 40A B | Z33520 |
| Alloy 7 | Zamak 7 | AG 40B | Z33523 |
| Alloy 5 | Zamak 5 | AC 41A B | Z35531 |
| Alloy 2 | Zamak 2 | AC 43A | Z35541 |
| ZA-8 | ZA-8 | ... | Z35636 |
| ZA-12 | ZA-12 | ... | Z35631 |
| ZA-27 | ZA-27 | ... | Z35841 |
| _________ | | | |
A See Table 1, Footnote C.
B SAE Specification, Nos. 903 and 925 conform to the requirements for alloys AG40A and AC41A, respectively.
1.2 Zinc Alloys Z33520, Z33523, Z35531, and Z35541 are used primarily in the manufacture of pressure die castings. Zinc-Aluminum Alloys Z35636, Z35631, and Z35841 are used in the manufacture of both foundry and pressure die castings. These alloys are also fabricated into continuous cast bar stock used for prototyping and screw machine stock.
1.3 The values stated in inch-pound units are to be regarded as standard.
1.4 Systems of nomenclature used to designate zinc and zinc-aluminum (ZA) alloys used for casting are described in Appendix X1.
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 Requirements
| Element | Alloy 3A,
ASTM B86-09 history- 2023 ASTM B86-23 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2022 ASTM B86-22 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2018 ASTM B86-18e1 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2018 ASTM B86-18 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2013 ASTM B86-13 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2011 ASTM B86-11 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2010 ASTM B86-10a Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2010 ASTM B86-10e1 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2010 ASTM B86-10 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2009 ASTM B86-09b Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2009 ASTM B86-09a Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2009 ASTM B86-09 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2008 ASTM B86-08 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2006 ASTM B86-06 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2005 ASTM B86-05 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2004 ASTM B86-04e2 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2004 ASTM B86-04e1 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2004 ASTM B86-04 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 2003 ASTM B86-03 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
- 1998 ASTM B86-98e1 Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
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