ASTM B557M-15(2023)
(Test Method)Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
SIGNIFICANCE AND USE
4.1 Tension tests provide information on the strength and ductility of materials under uniaxial tensile stresses. This information may be useful in comparisons of materials, alloy development, quality control, and design under certain circumstances.
4.2 The results of tension tests of specimens machined to standardized dimensions from selected portions of a part or material may not totally represent the strength and ductility properties of the entire end product or its in-service behavior in different environments.
4.3 These test methods are considered satisfactory for acceptance testing of commercial shipments and have been used extensively in the trade for this purpose.
SCOPE
1.1 These test methods cover the tension testing of wrought and cast aluminum- and magnesium-alloy products, with the exception of aluminum foil,2 and are derived from Test Methods E8M, which cover the tension testing of all metallic materials.
Note 1: These metric test methods are the equivalents of those in Test Methods B557, and are compatible in technical content except for the requirement of longer gage lengths for round specimens.
Note 2: Foil is sheet metal less than 0.20 mm thick. There is an overlap in the thickness range 0.15 mm to 0.20 mm defined for foil and sheet. Sheet products in this thickness range are supplied to sheet product specifications and foil products in this thickness range are supplied to foil product specifications. Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
Relations
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: B557M − 15 (Reapproved 2023)
Standard Test Methods for
Tension Testing Wrought and Cast Aluminum- and
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Magnesium-Alloy Products (Metric)
This standard is issued under the fixed designation B557M; 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 2. Referenced Documents
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1.1 These test methods cover the tension testing of wrought 2.1 ASTM Standards:
and cast aluminum- and magnesium-alloy products, with the B209 Specification for Aluminum and Aluminum-Alloy
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exception of aluminum foil, and are derived from Test Sheet and Plate (Metric) B0209_B0209M
Methods E8M, which cover the tension testing of all metallic E4 Practices for Force Calibration and Verification of Test-
materials. ing Machines
E6 Terminology Relating to Methods of Mechanical Testing
NOTE 1—These metric test methods are the equivalents of those in Test
E8M Test Methods for Tension Testing of Metallic Materials
Methods B557, and are compatible in technical content except for the
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[Metric] (Withdrawn 2008)
requirement of longer gage lengths for round specimens.
NOTE 2—Foil is sheet metal less than 0.20 mm thick. There is an
E29 Practice for Using Significant Digits in Test Data to
overlap in the thickness range 0.15 mm to 0.20 mm defined for foil and
Determine Conformance with Specifications
sheet. Sheet products in this thickness range are supplied to sheet product
E83 Practice for Verification and Classification of Exten-
specifications and foil products in this thickness range are supplied to foil
someter Systems
product specifications. Exceptions to the provisions of these test methods
E345 Test Methods of Tension Testing of Metallic Foil
may need to be made in individual specifications or test methods for a
particular material.
E691 Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
1.2 The values stated in SI units are to be regarded as
E1012 Practice for Verification of Testing Frame and Speci-
standard. No other units of measurement are included in this
men Alignment Under Tensile and Compressive Axial
standard.
Force Application
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3. Terminology
responsibility of the user of this standard to establish appro-
3.1 The definitions of terms relating to tension testing
priate safety, health, and environmental practices and deter-
appearing in Terminology E6 shall be considered as applying
mine the applicability of regulatory limitations prior to use.
to the terms used in these test methods.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
4. Significance and Use
ization established in the Decision on Principles for the
4.1 Tension tests provide information on the strength and
Development of International Standards, Guides and Recom-
ductility of materials under uniaxial tensile stresses. This
mendations issued by the World Trade Organization Technical
information may be useful in comparisons of materials, alloy
Barriers to Trade (TBT) Committee.
development, quality control, and design under certain circum-
stances.
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These test methods are under the jurisdiction of ASTM Committee B07 on
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Light Metals and Alloys and are the direct responsibility of Subcommittee B07.05 For referenced ASTM standards, visit the ASTM website, www.astm.org, or
on Testing. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved April 1, 2023. Published April 2023. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1976. Last previous edition approved in 2015 as B557M – 15. DOI: the ASTM website.
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10.1520/B0557M-15R23. The last approved version of this historical standard is referenced on
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For test methods of tension testing of aluminum foil, see Test Methods E345. www.astm.org.
*A Summary of Changes section appears at the end of this standard
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B557M − 15 (2023)
4.2 The results of tension tests of specimens machined to specimens and to use a special means of gripping to ensure that
standardized dimensions from selected
...
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