ASTM B892-98e2
(Specification)Standard Specification for Zinc - Copper - Aluminum in Ingot Form for Die Castings
Standard Specification for Zinc - Copper - Aluminum in Ingot Form for Die Castings
SCOPE
1.1 This specification covers a commercial zinc-copper-aluminum alloy in ingot form (UNS Z46540*) for remelting for the manufacture of die castings.
1.2 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 Data Sheet 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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An American National Standard
´2
Designation: B 892 – 98
Standard Specification for
Zinc - Copper - Aluminum Alloy in Ingot Form for Die
Castings
This standard is issued under the fixed designation B 892; 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.
´ NOTE—The caveat in section 1.2 and section 3. Terminology were added editorially in December 2000.
1. Scope E 634 Practice for Sampling of Zinc and Zinc Alloys for
Optical Emission Spectrochemical Analysis
1.1 This specification covers a commercial zinc-copper-
aluminum alloy in ingot form (UNS Z46540*) for remelting
3. Terminology
for the manufacture of die castings.
3.1 Terms shall be defined in accordance with Terminology
1.2 This standard does not purport to address all of the
B 899.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to become familiar
4. Ordering Information
with all hazards including those identified in the appropriate
4.1 Orders for ingot under this specification shall include
Material Data Sheet for this product/material as provided by
the following information:
the manufacturer, to establish appropriate safety and health
4.1.1 Quantity in pounds,
practices, and determine the applicability of regulatory limi-
4.1.2 Chemical composition,
tations prior to use.
4.1.3 Size, if not manufacturer’s standard,
4.1.4 Source inspection (Section 9), and
2. Referenced Documents
4.1.5 Marking (Section 11).
2.1 The following documents of the issue in effect on date
of order acceptance form a part of this specification to the
5. Materials and Manufacture
extent referenced herein:
5.1 The alloys may be made by any approved process.
2.2 ASTM Standards:
5.2 The material covered by this specification shall be of
B 899 Terminology Relating to Non-ferrous Metals and
uniform quality and shall be free of harmful contamination.
Alloys
E29 Practice for Using Significant Digits in Test Data to
6. Chemical Composition
Determine Conformance with Specifications
6.1 The ingots shall conform to the requirements as to
E47 Test Methods for Chemical Analysis of Zinc Die
chemical composition prescribed in Table 1. Conformance
Casting Alloys
shall be determined by the manufacturer by analyzing samples
E88 Practice for Sampling Nonferrous Metals and Alloys
taken at the time the ingots are poured or samples taken from
in Cast Form for Determination of Chemical Composition
the ingots. Unless otherwise agreed in the contract or purchase
E 527 Practice for Numbering Metals and Alloys
order, sampling procedure will be the manufacturer’s choice.
E 536 Test Method for ChemicalAnalysis of Zinc and Zinc
Alloys
7. Sampling for Determination of Chemical Composition
7.1 In the event of a dispute, if the ingots are shipped in
carload lots of the same alloy, not less than five ingots shall be
This specification is under the jurisdiction of ASTM Committee B02 on
taken at random from the carload for sampling. If the shipment
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
is less than a carload lot, one sample ingot shall be taken for
B02.04 on Zinc and Cadmium.
each 10 000 lb (4500 kg) or fraction thereof. Either party may
Current edition approved Dec. 12, 2000. Published December 1998.
request that a sample be taken from each melt of 1000 lb (450
*See Table 1, footnote A
Annual Book of ASTM Standards, Vol 02.04.
kg) or more.
Annual Book of ASTM Standards, Vol 14.02.
7.2 The sample for chemical analysis shall be taken by
Annual Book of ASTM Standards, Vol 03.05.
5 sawing, milling, or drilling in such a manner as to be
Annual Book of ASTM Standards, Vol 01.01.
Annual Book of ASTM Standards, Vol 03.06. representative of the average cross section of the ingot. The
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Please
contact ASTM International (www.astm.org) for the latest information.
´2
B892–98
TABLE 1 Chemical Requirement, Zn-Cu-Al Alloy
shipment, such agreement shall be made by the purchaser and
Elements Composition, % producer or supplier as part of the contract or purchase order.
A
Z46540
9.2 When such inspection or witness of inspection and
Copper 5.2 - 6.0
testing is agreed upon, the producer or supplier shall afford the
Aluminum 2.8 - 3.3
purchaser’s repres
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