ASTM B824-16
(Specification)Standard Specification for General Requirements for Copper Alloy Castings
Standard Specification for General Requirements for Copper Alloy Castings
ABSTRACT
This specification establishes the general requirements common to copper alloy castings of UNS Nos. C94700, C95300, C95400, C95410, C95500, C95520, and C96800. Materials shall be sampled and prepared, then tested accordingly to examine their conformance to mechanical (tensile and yield strength, hardness, and elongation), electrical (resistivity and conductivity), dimensional, chemical composition, and grain size requirements. In the event of conflict between this specification and the individual casting product specifications, the requirements of the casting specification shall take precedence.
SIGNIFICANCE AND USE
14.1 For the purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.
Property
Rounded Limit for Observed or
Calculated Value
Chemical Composition
Hardness
Electrical Resistivity
Electrical Conductivity
nearest unit in the last right-hand significance digit used in expressing the limiting value
Tensile Strength
nearest ksi (5 MPa)
Yield Strength
Elongation
nearest 1 %
Grain Size:
Under 0.060 mm
nearest multiple of 0.005 mm
0.060 mm and over
nearest 0.01 mm
SCOPE
1.1 This specification establishes general requirements common to ASTM copper alloy casting specifications B22/B22M, B61, B62, B66, B67, B148, B176, B271/B271M, B369, B427, B505/B505M, B584, B763/B763M, B770, and B806. These requirements apply to the casting specifications to the extent referenced therein.
1.1.1 In the event of conflict between this specification and a casting specification, the requirements of the casting specification shall take precedence.
1.2 The chemical composition and other requirements not included in this specification shall be prescribed in the casting product specifications.
1.3 Units—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 No precise quantitative relationship can be stated between the properties of the metal in various locations of the same casting or between the properties of castings and those of a test bar casting from the same metal. (See Appendix X1.)2
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Designation:B824 −16
Standard Specification for
1
General Requirements for Copper Alloy Castings
This standard is issued under the fixed designation B824; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* B62 Specification for Composition Bronze or Ounce Metal
Castings
1.1 Thisspecificationestablishesgeneralrequirementscom-
B66 Specification for Bronze Castings for Steam Locomo-
mon to ASTM copper alloy casting specifications B22/B22M,
tive Wearing Parts
B61, B62, B66, B67, B148, B176, B271/B271M, B369, B427,
B67 Specification for Car and Tender Journal Bearings,
B505/B505M, B584, B763/B763M, B770, and B806. These
Lined
requirements apply to the casting specifications to the extent
B148 Specification for Aluminum-Bronze Sand Castings
referenced therein.
B176 Specification for Copper-Alloy Die Castings
1.1.1 In the event of conflict between this specification and
B193 Test Method for Resistivity of Electrical Conductor
a casting specification, the requirements of the casting speci-
Materials
fication shall take precedence.
B194 Specification for Copper-BerylliumAlloy Plate, Sheet,
1.2 The chemical composition and other requirements not
Strip, and Rolled Bar
included in this specification shall be prescribed in the casting
B208 Practice for Preparing Tension Test Specimens for
product specifications.
Copper Alloy Sand, Permanent Mold, Centrifugal, and
1.3 Units—The values stated in inch-pound units are to be Continuous Castings
B271/B271M Specification for Copper-BaseAlloy Centrifu-
regarded as standard. The values given in parentheses are
mathematical conversions to SI units that are provided for gal Castings
B369 Specification for Copper-Nickel Alloy Castings
information only and are not considered standard.
B427 Specification for Gear Bronze Alloy Castings
1.4 No precise quantitative relationship can be stated be-
B505/B505M Specification for Copper Alloy Continuous
tween the properties of the metal in various locations of the
Castings
same casting or between the properties of castings and those of
2 B584 Specification for Copper Alloy Sand Castings for
a test bar casting from the same metal. (See Appendix X1.)
General Applications
B763/B763M Specification for Copper Alloy Sand Castings
2. Referenced Documents
for Valve Applications
2.1 The following documents, of the issue in effect on date
B770 Specification for Copper-Beryllium Alloy Sand Cast-
ofcastingpurchase,form,partofthisspecificationtotheextent
ings for General Applications
referenced herein:
B806 Specification for CopperAlloy Permanent Mold Cast-
3
2.2 ASTM Standards:
ings for General Applications
B22/B22M Specification for Bronze Castings for Bridges
B846 Terminology for Copper and Copper Alloys
and Turntables
E8/E8M Test Methods for Tension Testing of Metallic Ma-
B61 Specification for Steam or Valve Bronze Castings
terials
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Ma-
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
terials
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
Castings and Ingots for Remelting.
E29 Practice for Using Significant Digits in Test Data to
Current edition approved Oct. 15, 2016. Published October 2016. Originally
Determine Conformance with Specifications
approved in 1992. Last previous edition approved in 2014 as B824 – 14. DOI:
E54 Test Methods for ChemicalAnalysis of Special Brasses
10.1520/B0824-16.
4
2
and Bronzes (Withdrawn 2002)
For ASME Boiler and Pressure Vessel Code application, see related specifica-
tion in Section II of that code.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.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
---------------------- Page: 1 ----------------------
B824−16
E62 Test Methods for Chemical Analysis of Copper and detailsofthetestandacceptancecriteriashallbeestablishedby
4
CopperAlloys (Photometric Methods) (Withdrawn 2010) agreement between the manufacturer and the purchaser.
E76 Test Methods for Chemical Analysis of Nickel-Copper
7.2 Soundness—When specified in the purchase order,
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: B824 − 14 B824 − 16
Standard Specification for
1
General Requirements for Copper Alloy Castings
This standard is issued under the fixed designation B824; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification establishes general requirements common to ASTM copper alloy casting specifications B22B22/B22M,
B61, B62, B66, B67, B148, B176, B271/B271M, B369, B427, B505/B505M, B584, B763/B763M, B770, and B806. These
requirements apply to the casting specifications to the extent referenced therein.
1.1.1 In the event of conflict between this specification and a casting specification, the requirements of the casting specification
shall take precedence.
1.2 The chemical composition and other requirements not included in this specification shall be prescribed in the casting product
specifications.
1.3 Units—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 No precise quantitative relationship can be stated between the properties of the metal in various locations of the same casting
2
or between the properties of castings and those of a test bar casting from the same metal. (See Appendix X1.)
2. Referenced Documents
2.1 The following documents, of the issue in effect on date of casting purchase, form, part of this specification to the extent
referenced herein:
3
2.2 ASTM Standards:
B22B22/B22M Specification for Bronze Castings for Bridges and Turntables
B61 Specification for Steam or Valve Bronze Castings
B62 Specification for Composition Bronze or Ounce Metal Castings
B66 Specification for Bronze Castings for Steam Locomotive Wearing Parts
B67 Specification for Car and Tender Journal Bearings, Lined
B148 Specification for Aluminum-Bronze Sand Castings
B176 Specification for Copper-Alloy Die Castings
B193 Test Method for Resistivity of Electrical Conductor Materials
B194 Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar
B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous
Castings
B271/B271M Specification for Copper-Base Alloy Centrifugal Castings
B369 Specification for Copper-Nickel Alloy Castings
B427 Specification for Gear Bronze Alloy Castings
B505/B505M Specification for Copper Alloy Continuous Castings
B584 Specification for Copper Alloy Sand Castings for General Applications
B763/B763M Specification for Copper Alloy Sand Castings for Valve Applications
B770 Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1
This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on Castings
and Ingots for Remelting.
Current edition approved April 1, 2014Oct. 15, 2016. Published May 2014October 2016. Originally approved in 1992. Last previous edition approved in 20112014 as
B824 – 11.B824 – 14. DOI: 10.1520/B0824-14.10.1520/B0824-16.
2
For ASME Boiler and Pressure Vessel Code application, see related specification in Section II of that code.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM 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.
*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
---------------------- Page: 1 ----------------------
B824 − 16
B806 Specification for Copper Alloy Permanent Mold Castings for General Applications
B846 Terminology for Copper and Copper Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
4
E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002)
4
E62 Test Methods for Chemical Analysis of Copper a
...
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