ASTM B955/B955M-08

Standard Specification for Aluminum-Alloy Centrifugal Castings

ABSTRACT
This specification covers the standard for aluminum-alloy centrifugal castings. This specification does not cover aluminum-alloy centrifugal castings used in aerospace applications. The castings shall be in accordance to the prescribed chemical composition. Chemical composition shall be determined by analyzing samples at the time the castings are poured, or samples taken from castings or tension test specimens. Unless otherwise stated, the tensile strength, yield strength and elongation of test specimens cut from casting shall be in accordance with the standards prescribed herein. If the specimens fail to conform to tension requirements, test bars representative of the castings may be retested in accordance with the replacement tests and retest provisions.
SCOPE
1.1 This specification covers aluminum-alloy centrifugal castings designated as shown in Table 1.
1.2 This specification is not intended for aluminum-alloy centrifugal castings used in aerospace applications.
1.3 Alloy and temper designations are in accordance with ANSI H35.1 / H35.1 (M). The equivalent unified numbering system alloy designations are in accordance with Practice E 527.
1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.
1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A2.
1.6 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.7 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 establish appropriate safety and health practices and determine the applicability of regulatory limitation prior to use.

General Information

• Status: Historical
• Publication Date: 14-Jul-2008
• ICS: 77.150.10 - Aluminium products
• Technical Committee: B07 - Light Metals and Alloys
• Drafting Committee: B07.01 - Aluminum Alloy Ingots and Castings

Relations

• Replaces: ASTM B955/B955M-07 - Standard Specification for Aluminum-Alloy Centrifugal Castings
• Effective Date: 15-Jul-2008
• Replaced By: ASTM B955/B955M-10 - Standard Specification for Aluminum-Alloy Centrifugal Castings
• Effective Date: 01-Nov-2010
• Referred By: ASTM B917/B917M-12(2020) - Standard Practice for Heat Treatment of Aluminum-Alloy Castings From All Processes
• Effective Date: 15-Jul-2008
• Referred By: ASTM B179-18 - Standard Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
• Effective Date: 15-Jul-2008
• Referred By: ASTM B881-17 - Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products
• Effective Date: 15-Jul-2008

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B955/B955M – 08
Standard Specification for
1
Aluminum-Alloy Centrifugal Castings
This standard is issued under the fixed designation B955/B955M; 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* B275 Practice for Codification of Certain Nonferrous Met-
als and Alloys, Cast and Wrought
1.1 This specification covers aluminum-alloy centrifugal
B557 Test Methods for Tension Testing Wrought and Cast
castings designated as shown in Table 1.
Aluminum- and Magnesium-Alloy Products
1.2 This specification is not intended for aluminum-alloy
B557M TestMethodsforTensionTestingWroughtandCast
centrifugal castings used in aerospace applications.
Aluminum- and Magnesium-Alloy Products (Metric)
1.3 Alloy and temper designations are in accordance with
B660 Practices for Packaging/Packing of Aluminum and
ANSI H35.1 / H35.1 (M). The equivalent unified numbering
Magnesium Products
system alloy designations are in accordance with Practice
B881 TerminologyRelatingtoAluminum-andMagnesium-
E527.
Alloy Products
1.4 Unless the order specifies the “M” specification desig-
B917/B917M Practice for Heat Treatment of Aluminum-
nation, the material shall be furnished to the inch-pound units.
Alloy Castings from All Processes
1.5 For acceptance criteria for inclusion of new aluminum
D3951 Practice for Commercial Packaging
and aluminum alloys and their properties in this specification,
E29 Practice for Using Significant Digits in Test Data to
see Annex A1 and Annex A2.
Determine Conformance with Specifications
1.6 Units—The values stated in either SI units or inch-
E34 Test Methods for ChemicalAnalysis ofAluminum and
pound units are to be regarded separately as standard. The
Aluminum-Base Alloys
values stated in each system may not be exact equivalents;
E94 Guide for Radiographic Examination
therefore,eachsystemshallbeusedindependentlyoftheother.
E155 Reference Radiographs for Inspection of Aluminum
Combining values from the two systems may result in non-
and Magnesium Castings
conformance with the standard.
E165 PracticeforLiquidPenetrantExaminationforGeneral
1.7 This standard does not purport to address all of the
Industry
safety concerns, if any, associated with its use. It is the
E527 Practice for Numbering Metals and Alloys in the
responsibility of the user of this standard to establish appro-
Unified Numbering System (UNS)
priate safety and health practices and determine the applica-
E607 Test Method for Atomic Emission Spectrometric
bility of regulatory limitation prior to use.
Analysis Aluminum Alloys by the Point to Plane Tech-
2. Referenced Documents nique Nitrogen Atmosphere
E716 Practices for Sampling Aluminum and Aluminum
2.1 The following documents of the issue in effect on the
Alloys for Spectrochemical Analysis
date of casting purchase form a part of this specification to the
E1251 Test Method for Analysis of Aluminum and Alumi-
extent referenced herein:
2
num Alloys by Atomic Emission Spectrometry
2.2 ASTM Standards:
3
2.3 ANSI Standard:
B179 Specification for Aluminum Alloys in Ingot and
H35.1 / H35.1 (M) American National Standard Alloy and
Molten Forms for Castings from All Casting Processes
Temper Designation Systems for Aluminum
Z1.4 Sampling Procedures and Tables for Inspection by
Attributes
1
This specification is under the jurisdiction of ASTM Committee B07 on Light 4
2.4 Military Standards:
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
MIL-STD-129 Marking for Shipment and Storage
Aluminum Alloy Ingots and Castings.
Current edition approved July 15, 2008. Published July 2008. Originally
approvedin2007.Lastpreviouseditionapprovedin2007asB955/B955M-07.DOI:
3
10.1520/B0955_B0955M-08. Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600,
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Arlington, VA 22209, http://www.aluminum.org.
4
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
Standards volume information, refer to the standard’s Document Summary page on Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
the ASTM website. 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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B955/B955M – 08
A,B,C
TABLE 1 Chemical Composition Limits
Alloy Composition, %
D E
ANSI UNS Silicon Iron Copper Manga- Magnesium Chromium Ni
...

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:B955/B955M–07 Designation: B 955/B 955M – 08
Standard Specification for
1
Aluminum-Alloy Centrifugal Castings
This standard is issued under the fixed designation B 955/B 955M; 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 Department of Defense.
1. Scope*
1.1 This specification covers aluminum-alloy centrifugal castings designated as shown in Table 1.
1.2 This specification is not intended for aluminum-alloy centrifugal castings used in aerospace applications.
1.3 Alloy and temper designations are in accordance withANSI H35.1 / H35.1 (M). The equivalent unified numbering system
alloy designations are in accordance with Practice E 527.
1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.
1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see
Annex A1 and Annex A2.
1.6The values stated in either inch-pound units or SI units are to be regarded separately as standards. The SI units are shown
inbracketsorinseparatetablesorcolumns.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmust
be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
1.6 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated
in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values
from the two systems may result in non-conformance with the standard.
1.7 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 establish appropriate safety and health practices and determine the applicability of regulatory
limitation prior to use.
2. Referenced Documents
2.1 The following documents of the issue in effect on the date of casting purchase form a part of this specification to the extent
referenced herein:
2
2.2 ASTM Standards:
B 179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
B 275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought
B 557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B 557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B 660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B 881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
B 917/B 917M Practice for Heat Treatment of Aluminum-Alloy Castings from All Processes
D 3951 Practice for Commercial Packaging
E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E 34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys E88Practice for Sampling Nonferrous
Metals and Alloys in Cast Form for
Determination of Chemical Composi-
tion
E 94 Guide for Radiographic Examination
E 155 Reference Radiographs for Inspection of Aluminum and Magnesium Castings
E 165 Test Method for Liquid Penetrant Examination
1
This specification is under the jurisdiction ofASTM Committee B07 on Light Metals andAlloys and is the direct responsibility of Subcommittee B07.01 onAluminum
Alloy Ingots and Castings.
Current edition approved Oct. 1, 2007. Published November 2007.
Current edition approved July 15, 2008. Published July 2008. Originally approved in 2007. Last previous edition approved in 2007 as B 955/B 955M-07.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at [e-mail]. 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 ----------------------
B 955/B 955M – 08
A,B ,C
TABLE 1 Chemical Composition Limits
Alloy Composition, %
D E
ANSI UNS Silicon Iron Copper Manga- Magnesium Chromium Nickel
...