ASTM B176-04
(Specification)Standard Specification for Copper-Alloy Die Castings
Standard Specification for Copper-Alloy Die Castings
SCOPE
1.1 This specification establishes the requirements for copper-alloy die castings. The alloys specified are Copper Alloy UNS Nos. C85700, C85800, C86500, C 87800, C99700, and C99750.
1.2 UnitsValues stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.
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Designation: B 176 – 04
Standard Specification for
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Copper-Alloy Die Castings
This standard is issued under the fixed designation B 176; 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.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope* MIL-P-116 Methods of Preservation
1.1 This specification establishes the requirements for
3. General Requirements
copper-alloy die castings. The alloys specified are Copper
3.1 The following sections of Specification B 824 constitute
Alloy UNS Nos. C85700, C85800, C86500, C 87800, C99700,
2 a part of this specification.
and C99750.
3.1.1 Terminology (Section 3),
1.2 Units—Values stated in inch-pound units are to be
3.1.2 Number of Tests and Retests (Section 10) (Note to
regarded as standard. The values given in parentheses are
users:Paragraph10.3ofSpecificationB 824appliesonlywhen
mathematical conversions to SI units, which are provided for
mechanical requirements are specified in the purchase order.),
information only and are not considered standard.
3.1.3 Test Methods (Section 12),
2. Referenced Documents 3.1.4 Significance of Numerical Limits (Section 13),
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3.1.5 Inspection (Section 14),
2.1 ASTM Standards:
3.1.6 Rejection and Rehearing (Section 15),
B 824 Specification for General Requirements for Copper
3.1.7 Certification (Section 16),
Alloy Castings
3.1.8 Test Report (Section 17),
E8 Test Methods for Tension Testing of Metallic Materials
3.1.9 Product Marking (Section 18), and
E23 Test Methods for Notched Bar Impact Testing of
3.1.10 Supplementary Requirements.
Metallic Materials
3.2 In addition, when a section with a title identical to that
E 255 Practice for Sampling Copper and CopperAlloys for
referenced in 3.1, above, appears in this specification, it
the Determination of Chemical Composition
contains additional requirements which supplement those ap-
E 527 Practice for Numbering Metals and Alloys (UNS)
pearing in Specification B 824.
2.2 American Die Casting Institute:
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“E” Series Product Standards
4. Terminology
2.3 Federal Standard:
5 4.1 For general terms related to copper and copper alloys,
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
refer to Terminology B 846.
2.4 Military Standards:
MIL-STD-129 Marking for Shipment and Storage (Military
5. Ordering Information
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Agencies)
5.1 Include the following information when placing orders
for die castings under this specification as applicable:
5.1.1 Specification title, number, and year of issue,
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
5.1.2 Part name and number,
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
5.1.3 Copper Alloy UNS Number,
Castings and Ingots for Remelting.
Current edition approved May 1, 2004. Published May 2004. Originally
5.1.4 Quantity and delivery schedule, as required,
approved in 1942. Discontinued January 2004 and reinstated in 2004 as B 176 – 04.
5.1.5 Engineering drawing of die casting, when required,
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The UNS system for copper and copper alloys (see Practice E 527) is a simple
giving all necessary dimensions and tolerances and showing
expansion of the former standard designation system accomplished by the addition
of a prefix “C” and a suffix “00”. The suffix can be used to accommodate latest revisions and allowances for machining, if any. Location
composition variations of the base alloy.
ofejectorpinmarksorpartinglinesshallbeattheoptionofthe
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
manufacturer unless specifically designated on the drawing.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1.6 When die castings are purchased for agencies of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
U.S. government the Supplementary Requirements of Specifi-
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Available from theAmerican Die Casting Institute, 2340 Des PlainesAve., Des
cation B 824 may be specified.
Plaines, IL 60018.
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5.2 The following requirements are optional and should be
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
Robbins Ave., Philadelphia, PA 19111-5094, ATTN: NPODS. specified in the purchase order when required.
*ASummary 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.
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B176–04
TABLE 1 Chemical Requirements
Composition, % max (unless shown as a range or min)
Major Elements Residual Elements
Copper
Nickel
Allo
...
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