Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products [Metric]

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1.1 These test methods cover the tension testing of wrought and cast aluminum- and magnesium-alloy products, excepting aluminum foil, and are derived from Test Methods E 8M, which cover the tension testing of all metallic materials.Note 1
These metric test methods are the equivalents of those in Test Methods B 557, and are compatible in technical content except for the requirement of longer gage lengths for round specimens.Note 2
Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material.
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 limitations prior to use.

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30-Apr-2006
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ASTM B557M-06 - Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products [Metric]
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: B 557M – 06
METRIC
Standard Test Methods for
Tension Testing Wrought and Cast Aluminum- and
1
Magnesium-Alloy Products [Metric]
This standard is issued under the fixed designation B 557M; 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.
1. Scope* E8M Test Methods for Tension Testing of Metallic Mate-
rials [Metric]
1.1 These test methods cover the tension testing of wrought
E29 Practice for Using Significant Digits in Test Data to
and cast aluminum- and magnesium-alloy products, excepting
2 Determine Conformance with Specifications
aluminum foil , and are derived from Test Methods E8M,
E83 Practice for Verification and Classification of Exten-
which cover the tension testing of all metallic materials.
someter System
NOTE 1—These metric test methods are the equivalents of those in Test
E 345 Test Methods of Tension Testing of Metallic Foil
Methods B 557, and are compatible in technical content except for the
E 691 Practice for Conducting an Interlaboratory Study to
requirement of longer gage lengths for round specimens.
Determine the Precision of a Test Method
NOTE 2—Exceptions to the provisions of these test methods may need
E 1012 Practice for Verification of Test Frame and Speci-
to be made in individual specifications or test methods for a particular
material. men Alignment Under Tensile and Compressive Axial
Force Application
1.2 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 and health practices and determine the applica-
appearing in TerminologyE6 shall be considered as applying
bility of regulatory limitations prior to use.
to the terms used in these test methods.
2. Referenced Documents
4. Significance and Use
2.1 The following documents of the issue in effect at the
4.1 Tension tests provide information on the strength and
timeofreferenceformapartofthesetestmethodstotheextent
ductility of materials under uniaxial tensile stresses. This
referenced herein:
information may be useful in comparisons of materials, alloy
3
2.2 ASTM Standards:
development, quality control, and design under certain circum-
B 209 Specification for Aluminum and Aluminum-Alloy
stances.
Sheet and Plate
4.2 The results of tension tests of specimens machined to
E4 Practices for Force Verification of Testing Machines
standardized dimensions from selected portions of a part or
E6 Terminology Relating to Methods of Mechanical Test-
material may not totally represent the strength and ductility
ing
propertiesoftheentireendproductoritsin-servicebehaviorin
different environments.
1
These test methods are under the jurisdiction of ASTM Committee B07 on 4.3 These test methods are considered satisfactory for ac-
Light Metals and Alloys and are the direct responsibility of Subcommittee B07.05
ceptance testing of commercial shipments and have been used
on Testing.
extensively in the trade for this purpose.
Current edition approved May 1, 2006. Published May 2006. Originally
approved in 1976. Last previous edition approved in 2002 as B 557M – 02a.
2 5. Apparatus
For test methods of tension testing of aluminum foil, see Test Methods E 345.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1 Testing Machines—Machines used for tension testing
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
shall conform to the requirements of PracticesE4. The forces
Standards volume information, refer to the standard’s Document Summary page on
used in determining tensile strength and yield strength shall be
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

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B557M–06
within the verified force application range of the testing
machine as defined in PracticesE4.
5.2 Gripping Devices:
5.2.1 General—Various types of gripping devices may be
used to transmit the measured load applied by the testing
machine to the test specimens. To ensure axial tensile stress
within the gage length, the axis of the test specimen must
coincide with the centerline of the heads of the testing
machine. Any departure from this requirement may introduce
bending stresses that are not included in the usual stress
computation (load div
...

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