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ASTM B86-23

Current Revision

Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings

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1.1 This specification covers commercial zinc, zinc-aluminum castings and continuous cast bar stock, as designated and specified in Table 1. Eight alloy compositions are specified and designated as follows:

Common

Traditional

ASTM A

UNS

 

 

 

 

Alloy 3

Zamak 3

AG 40A B

Z33525

Alloy 7

Zamak 7

AG 40B

Z33527

Alloy 5

Zamak 5

AC 41A B

Z35533

Alloy 2

Zamak 2

AC 43A

Z35545

ZA-8

ZA-8

 ...

Z35638

ZA-12

ZA-12

 ...

Z35633

ZA-27

ZA-27

 ...

Z35841

ACuZinc 5C

 

 ...

Z46541

1.2 Zinc Alloys Z33525, Z33527, Z35533, and Z35545 are used primarily in the manufacture of pressure die castings. Zinc-Aluminum Alloys Z35638, Z35633, 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. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 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.

1.6 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.


This specification covers commercial zinc, zinc-aluminum castings and continuous cast bar stock. Seven alloy compositions are specified and designated: Alloy 3; Alloy 7; Alloy 5; Alloy 2; ZA-8; ZA-12; ZA-27. The metal used in the manufacture of die castings shall be zinc alloy of a specified chemical composition conforming to the requirements specified. Impact test and tension test shall be made to conform to the specified requirements.


SDO ASTM: ASTM International
Document Number B86
Publication Date Nov. 1, 2023
Language en - English
Page Count 8
Revision Level 23
Supercedes
Committee B02.04
Publish Date Document Id Type View
Nov. 1, 2023 B0086-23 Revision
Oct. 1, 2022 B0086-22 Revision
Nov. 1, 2018 B0086-18E01 Revision
Nov. 1, 2018 B0086-18 Revision
Feb. 1, 2013 B0086-13 Revision
June 1, 2011 B0086-11 Revision
Oct. 1, 2010 B0086-10A Revision
April 1, 2010 B0086-10E01 Revision
April 1, 2010 B0086-10 Revision
Oct. 1, 2009 B0086-09B Revision
Sept. 1, 2009 B0086-09A Revision
April 15, 2009 B0086-09 Revision
Nov. 1, 2008 B0086-08 Revision
Aug. 1, 2006 B0086-06 Revision
Nov. 1, 2005 B0086-05 Revision
Oct. 1, 2004 B0086-04E02 Revision
Oct. 1, 2004 B0086-04E01 Revision
Oct. 1, 2004 B0086-04 Revision
June 10, 2003 B0086-03 Revision
April 10, 1998 B0086-98E01 Revision