ASTM B894-10
(Specification)Standard Specification for ACuZinc5 (Zinc-Copper-Aluminum) Alloy Die Castings
Standard Specification for ACuZinc5 (Zinc-Copper-Aluminum) Alloy Die Castings
ABSTRACT
This specification covers AcuZinc5, zinc-copper-aluminum alloy die castings. The metal used in the manufacture of die castings shall be zinc alloy of a specified chemical composition conforming to the specified requirements. Tensile, yield strength, elongation, and hardness properties shall be determined by tension and hardness tests. The die castings shall be of uniform quality, free of injurious discontinuities that will adversely affect their serviceability.
SCOPE
1.1 This specification covers ACuZinc5, zinc-copper-aluminum alloy die castings. (UNS Z46541).
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 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.
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Designation: B894 – 10
Standard Specification for
1 2
ACuZinc5 (Zinc-Copper-Aluminum) Alloy Die Castings
This standard is issued under the fixed designation B894; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
5
1. Scope* 2.3 Federal Standards:
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
1.1 This specification covers ACuZinc5, zinc-copper-
6
3
2.4 ISO Standards:
aluminum alloy die castings. (UNS Z46541).
ISO3815-1 Zincandzincalloys—Part1:Analysisofsolid
1.2 The values stated in SI units are to be regarded as
samples by optical emission spectrometry
standard. No other units of measurement are included in this
ISO 3815-2 Zinc and zinc alloys — Part 2: Analysis by
standard.
inductively coupled plasma optical emission spectrometry
1.3 This standard does not purport to address all of the
7
2.5 Military Standard:
safety concerns, if any, associated with its use. It is the
MIL-P-116 Methods of Preservation
responsibility of the user of this standard to become familiar
MIL-STD-129 Marking for Shipment and Storage
with all hazards including those identified in the appropriate
8
2.6 NADCA Standard:
Material Safety Data Sheet (MSDS) for this product/material
NADCA Product Specification Standards for Die Castings
as provided by the manufacturer, to establish appropriate
safety and health practices, and determine the applicability of
3. Terminology
regulatory limitations prior to use.
3.1 Terms shall be defined in accordance with Terminology
2. Referenced Documents B899.
3.2 Definitions of Terms Specific to This Standard:
2.1 The following documents of the issue in effect on date
3.2.1 die casting, n—a casting process in which molten
of order acceptable form a part of this specification to the
metal is injected under high velocity and pressure into a metal
extent referenced herein:
4
die and solidified, also a product produced by such a process.
2.2 ASTM Standards:
Alternately known as pressure die casting.
B892 Specification for ACuZinc5 (Zinc-Copper-
Aluminum) Alloy in Ingot Form for Die Castings
4. Ordering Information
B899 Terminology Relating to Non-ferrous Metals and
4.1 Orders for die castings shall include the following basic
Alloys
information in addition to the information specified in Speci-
B949 Specification for General Requirements for Zinc and
fication B949, Section 4:
Zinc Alloy Products
4.1.1 Part name and number,
E10 Test Method for Brinell Hardness of Metallic Materials
4.1.2 Alloy (Table 1), and
E29 Practice for Using Significant Digits in Test Data to
4.1.3 Drawing of die casting, when required, giving all
Determine Conformance with Specifications
necessary dimensions and showing latest revisions and allow-
E527 Practice for Numbering Metals and Alloys in the
ances for machining, if any. Location of ejector pin marks or
Unified Numbering System (UNS)
parting lines shall be at the option of the producer, unless
E536 Test Methods for ChemicalAnalysis of Zinc and Zinc
specifically designated on the drawing.
Alloys
4.2 Additional tests, options and special inspection require-
ments as provided below should be justified only on the basis
1
ACuZinc and ACuZinc5 are registered trade names of the General Motors
Corporation.
2
This specification is under the jurisdiction of ASTM Committee B02 on
5
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
B02.04 on Zinc and Cadmium. 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
Current edition approved April 1, 2010. Published April 2010. Originally www.access.gpo.gov.
6
approved in 1999. Last previous edition approved in 2009 as B894 - 09. DOI: Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
10.1520/B0894-10. 4th Floor, New York, NY 10036, http://www.ansi.org.
3 7
See Footnote B in Table 1. Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.dodssp.daps.mil.
8
Standards volume information, refer to the standard’s Document Summary page on Available from North American Die Casting Association 241 Holbrook Dr
the ASTM website. Wheeling, Illinois 60090-5809, http://www.diecasting.org.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:B894–09 Designation: B894 – 10
Standard Specification for
1 2
ACuZinc5 (Zinc-Copper-Aluminum) Alloy Die Castings
This standard is issued under the fixed designation B894; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
3
1.1 This specification covers ACuZinc5, zinc-copper-aluminum alloy die castings. (UNS Z46541).
1.2The 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.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 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.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of order acceptable form a part of this specification to the extent
referenced herein:
4
2.2 ASTM Standards:
B892 Specification for ACuZinc5 (Zinc-Copper-Aluminum) Alloy in Ingot Form for Die Castings
B899 Terminology Relating to Non-ferrous Metals and Alloys
B949 Specification for General Requirements for Zinc and Zinc Alloy Products
E10 Test Method for Brinell Hardness of Metallic Materials
E29 PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE88PracticeforSampling
Nonferrous Metals
and Alloys in Cast
Form for Determina-
tion of Chemical
Composition
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys
E634Practice for Sampling of Zinc and Zinc Alloys for Optical Emission Spectrometric Analysis Test Methods for Chemical
Analysis of Zinc and Zinc Alloys
5
2.3 Federal Standards:
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
6
2.4 IS Standards:ISO Standards:
IS 3815-1ISO 3815-1 Zinc and zinc alloys — Part 1: Analysis of solid samples by optical emission spectrometry
IS 3815-2ISO 3815-2 Zinc and zinc alloys — Part 2: Analysis by inductively coupled plasma optical emission spectrometry
7
2.5 Military Standard:
MIL-P-116 Methods of Preservation
1
ACuZinc and ACuZinc5 are registered trade names of the General Motors Corporation.
2
This specification is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommittee B02.04 on Zinc
and Cadmium.
Current edition approved Oct.April 1, 2009.2010. Published November 2009.April 2010. Originally approved in 1999. Last previous edition approved in 20032009 as
B894 - 039. DOI: 10.1520/B0894-109.
3
See Footnote B in Table 1.
4
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
5
Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
www.access.gpo.gov.
6
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
7
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://www.dodssp.daps.mil.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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B894 – 10
MIL-STD-129 Marking for Shipment and Storage
8
2.6 NADCA Standard:
NADCA Product Specification Standards for Die Castings
3. Terminology
3.1 Terms shall be defined in accordance with Terminology B899.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 die casting, n—a casting process in which molten metal is injected under high velocity and press
...
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