ASTM B327-01e2
(Specification)Standard Specification for Master Alloys Used in Making Zinc Die Casting Alloys
Standard Specification for Master Alloys Used in Making Zinc Die Casting Alloys
SCOPE
1.1 This specification covers aluminum-base and zinc-base master alloys used to make zinc die-casting alloys. Alloy compositions specified for aluminum-base master alloys (hardeners) are designated as shown in Table 1. Alloy composition specified for the zinc-base master alloy is designated as shown in Table 2.
1.2 Aluminum alloy hardeners are added to Special High Grade zinc (per Specification B6) in the proper alloying ratios, as shown in Table 1, to produce zinc alloys for die casting.
1.3 Zinc-base master alloy is added to Special High Grade zinc (per Specification B6) in the proper alloying ratio, as shown in Table 3, to produce zinc alloy for die casting.
1.4 Master alloys may be supplied in the form of shot, bar, ingot or jumbo ingot as specified by the purchaser.
1.5 The values stated in inch-pound units are standard. The SI equivalents of inch-pound units are for information only.
1.6 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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Designation: B 327 – 01
Standard Specification for
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Master Alloys Used in Making Zinc Die Casting Alloys
This standard is issued under the fixed designation B 327; 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 (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—Paragraph 10.3 was editorially corrected and a Summary of Changes section was added in July 2001.
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e NOTE—Table 1 and Table 2 were editorially corrected in March 2004.
1. Scope* B 908 Practice for the Use of Color Codes for Zinc Casting
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Alloy Ingot
1.1 This specification covers aluminum–base and zinc–
E29 Practice for Using Significant Digits in Test Data to
base master alloys used to make zinc die-casting alloys. Alloy
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Determine Conformance with Specifications
compositionsspecifiedforaluminum–basemasteralloys(hard-
E34 Test Methods for ChemicalAnalysis ofAluminum and
eners) are designated as shown in Table 1. Alloy composition
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Aluminum–Base Alloys
specified for the zinc-base master alloy is designated as shown
E88 Practice for Sampling Nonferrous Metals and Alloys
in Table 2.
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in Cast Form for Determination of Chemical Composition
1.2 Aluminum alloy hardeners are added to Special High
E 101 Test Method for Spectrographic Analysis of Alumi-
Grade zinc (per SpecificationB6) in the proper alloying ratios,
num and Aluminum Alloys by the Point-to-Plane Tech-
as shown in Table 1, to produce zinc alloys for die casting.
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nique
1.3 Zinc-base master alloy is added to Special High Grade
E 227 Test Method for Optical Emission Spectrometric
zinc (per Specification B6) in the proper alloying ratio, as
Analysis of Aluminum and Aluminum Alloys by the
shown in Table 3, to produce zinc alloy for die casting.
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Point-to-Plane Technique
1.4 Master alloys may be supplied in the form of shot, bar,
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E 527 Practice for Numbering Metals and Alloys (UNS)
ingot or jumbo ingot as specified by the purchaser.
E 536 Test Method for ChemicalAnalysis of Zinc and Zinc
1.5 The values stated in inch-pound units are standard. The
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Alloys
SI equivalents of inch-pound units are for information only.
1.6 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
3.1 Terms shall be defined in accordance with Terminology
responsibility of the user of this standard to become familiar
B 899.
with all hazards including those identified in the appropriate
Material Safety Data Sheet (MSDS) for this product/material
4. Ordering Information
as provided by the manufacturer, to establish appropriate
4.1 Orders for master alloys under this specification shall
safety and health practices, and determine the applicability of
include the following information:
regulatory limitations prior to use.
4.1.1 Quantity,
4.1.2 Alloy (Table 1 or Table 2),
2. Referenced Documents
4.1.3 Form: that is, shot, bar, ingot or jumbo ingot,
2.1 The following documents of the issue in effect on date
4.1.4 Size: that is, maximum shot size or size of bar, ingot,
of order acceptance form a part of this specification to the
or jumbo ingot,
extent referenced herein:
4.1.5 Unit weight: that is, nominal weight of shot per bag or
2.2 ASTM Standards:
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nominal weight of each bar, ingot, or jumbo ingot,
B6 Specification for Zinc
4.1.6 Markings on shot bags, bars, ingot or jumbo ingot,
B 899 Terminology Relating to Non-ferrous Metals and
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4.1.7 Palletizing, if required: means of palletizing and
Alloys
maximum weight per pallet load,
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This specification is under the jurisdiction of ASTM Committee B02 on
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Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 14.02.
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B02.04 on Zinc and Cadmium. Annual Book of ASTM Standards, Vol 03.05.
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Current edition approved May 10, 2001. Published July 2001. Originally Discontinued; see 1995 Annual Book of ASTM Standards, Vol 03.05.
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published as B 327 – 58. Last previous edition B 327 – 98 . Annual Book of ASTM Standards, Vol 01.01.
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Annual Book of ASTM Standards, Vol 02.04. Annual Book of ASTM Standards, Vol 03.06.
*A Summary of Changes section appears at the end of this standard.
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B327–01
TABLE 1 Chemical Requirements for Aluminum-Base Master Alloys
NOTE 1—The following applies to all specified limits in this table: For purposes of determining conformance with this specification, the observed value
or calculated value obtained from analysis shall be rounded off “to the nearest unit” in the last right hand place of fig
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