ASTM E8/E8M Test Methods for Tension Testing of Metallic Materials ASTM A370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products.
These test methods cover the tension testing of metallic materials in any form at room temperature, specifically, the methods of determination of yield strength, yield point elongation, tensile strength, elongation, and reduction of area. The gauge lengths for most round specimens are required to be 4D for E8 and 5D for E8M. The gauge length is the most significant difference between E8 and E8M test specimens. Test specimens made from powder metallurgy (P/M) materials are exempt from this requirement by industrywide agreement to keep the pressing of the material to a specific projected area and density. Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material. For examples, see Test Methods and Definitions A370 and Test Methods B557, and B557M. Room temperature shall be considered to be 10 to 38°C [50 to 100°F] unless otherwise specified.
Reference: ASTM E8 – Standard Test Method for Tension Testing of Metallic Materials.
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: E8/E8M − 16a American Association State Highway and Transportation Officials Standard AASHTO No.: T68 An American National Standard Standard Test Methods for Tension Testing of Metallic Materials1 This standard is issued under the fixed designation E8/E8M; 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.
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. *A Summary of Changes section appears at the end of this standard.
NOTE 3 - Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material. For examples, see Test Methods and Definitions A 370 and Test Methods B 557M. NOTE 4 - Room temperature shall be considered to be 10 to 38°C unless otherwise specified.
The Committee on #tandards to maintain E8 and E8M as separate companion standards rather than com!ining standards as recommended!' The $orm and #t'%e man&a%. NOTE—These metric test methods are essentia%%' the same as those in Test Methods E 8' and are compati!%e in technica% content except that gage%engths are re(&ired to!e )* for most ro&nd specimens rather than +* as specified in Test Methods E 8. Test specimens made from powder meta%%&rg',M/ materia% s are exempt from this re(&irem ent!' Ind&str'wide agreement to 0eep the pressing of the materia% to a specific proected area and densit'.
1.5 The values stated in SI units are to be regarded as separate from inch/pound units. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.6 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.
We sell this standard on a regular basis to our customers. This is a 28-page standard, filled with many tables and figures to assist the standards user. Appendix X1 covers factors affecting tension test results, X2 is on the measurement of specimen dimensions, and X3 describes some suggested accreditation criteria for laboratories performing these tests. The E8 committee brings the following changes to your attention: • Section 3.1 was replaced, • Sections 3.1.2, 3.1.7, 3.1.8, 3.1.12 and 3.2.1 were added, • Sections 3.1.3, 3.1.4, 3.1.11 were reformatted, and • Note 32 was added. In order to confirm that all changes are noted by your organization, you may want to purchase the Redline Edition, which provides you not only with the new 2013A Edition, but also a copy of the previous edition complete with the markup displayed. You can purchase all current and many obsolete ASTM standards at the Document Center webstore,.
Footnote * - A Summary of Changes section appears at the end of this standard.
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This standard specifies the units of force and length in the International System of Units (SI); that is, force in Newtons (N) and length in millimeters (mm). However, because of the historical precedent and continued common usage, force values in kgf units and ball diameters in inch units are provided for information and much of the discussion in this standard refers to these units. The test principles, testing procedures, and verification procedures are essentially identical for both the Rockwell and Rockwell superficial hardness tests.
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. Referenced Documents 1.
In order to confirm that all changes are noted by your organization, you may want to purchase the Redline Edition, which provides you not only with the new 2013A Edition, but also a copy of the previous edition complete with the markup displayed. You can purchase all current and many obsolete ASTM standards at the Document Center webstore,. Or contact us by phone (650-591-7600), fax (650-591-7617) or email (info@document-center.com). You’ll want to be sure that you always purchase your ASTM Standards from a reputable dealer like Document Center Inc. We have been providing ASTM Standards under license agreement with ASTM since the 1980’s.
Referenced Documents 1.
(Footnote *) These test methods cover the tension testing of metallic materials in any form at room temperature, specifically, the methods of determination of yield strength, yield point elongation, tensile strength, elongation, and reduction of area. NOTE 1 - These test methods are the metric companion of Test Methods E 8. Committee E-28 was granted an exception in 1997 by the Committee on Standards to maintain E8 and E8M as separate companion standards rather than combining standards as recommended by the Form and Style manual. NOTE 2 - These metric test methods are essentially the same as those in Test Methods E 8, and are compatible in technical content except that gage lengths are required to be 5D for most round specimens rather than 4D as specified in Test Methods E 8. Test specimens made from powder metallurgy (P/M) materials are exempt from this requirement by industry-wide agreement to keep the pressing of the material to a specific projected area and density.
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.
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. 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. These test methods are considered satisfactory for acceptance testing of commercial shipments.
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2013A Edition, “Standard Test Methods for Tension Testing of Metallic Materials,” has just been released. It’s available from Document Center Inc. In either paper format or pdf download. Starting in 2008, this standard has been the integrated edition for the and (both of which were withdrawn at that time.) The standard is a collection of test methods that cover the tension testing of metallic materials.
ASTM E8 – Tensile Testing of Metals To request a quotation for any test email for a prompt reply The ASTM E8 method covers the tension testing of metallic materials in any form at room temperature, specifically, the methods of determination of yield strength, yield point, tensile strength, elongation, and reduction of area. Tension tests determine the strength and ductility of materials under uniaxial tensile stresses. This information may be helpful in comparisons of materials, in the development of new alloys, for quality control, to support structural design, and acceptance testing for commercial shipments. Grip and face selection are very important to obtain accurate results. Specimen alignment is key to avoid side loading or bending moments.
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. *A Summary of Changes section appears at the end of this standard.
ASTM E8 Metal Tensile Testing ASTM E8 describes tensile testing of metals such as steel or metal alloys. This test determines important mechanical properties such as yield strength, ultimate tensile strength, elongation, and reduction of area. E8 tensile tests determine the ductility and strength of various metals when the materials undergo uniaxial tensile stresses. Such information is important for alloy development, design, quality control, and comparison of different sets of metals. An electro-mechanical or hydraulic universal testing machine equipped with the appropriate specimen grips, an extensometer and software capable of strain rate control and recording stress – strain data is necessary to conduct this test. If you need to conduct tensile tests according to ASTM E8, please read the entire specification from the relevant ASTM publication. ASTM E8 Metal Tensile Testing • Measure and record the specimen dimensions necessary to determine the cross sectional area at its smallest point.
NOTE—These test methods are the metric companion of Test Methods E 8. Committee E-28 was granted an exception in 199!'
Designation: E8/E8M − 15a American Association StateHighway and Transportation Officials StandardAASHTO No.: T68An American National StandardStandard Test Methods forTension Testing of Metallic Materials1This standard is issued under the fixed designation E8/E8M; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript 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 These test methods cover the tension testing of metallicmaterials in any form at room temperature, specifically, themethods of determination of yield strength, yield pointelongation, tensile strength, elongation, and reduction of area.1.2 The gauge lengths for most round specimens are re-quired to be 4D for E8 and 5D for E8M.
The values stated in SI units are to be regarded as separate from inch/pound units. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 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. * A Summary of Changes section appears at the end of this standard. Customers who purchased ASTM E8/E8M also purchased • ASTM E339: STANDARD TEST METHOD FOR DISCRIMINATION OF DIFFERENCES IN THE PRODUCTION OF ALCOHOLIC BEVERAGES BY THE DUO- TRIO METHOD • ASTM A370 REV A: Standard Test Methods and Definitions for Mechanical Testing of Steel Products • ASTM E384: Standard Test Method for Knoop and Vickers Hardness of Materials • ASTM B117: Standard Practice for Operating Salt Spray (Fog) Apparatus See More Documents Contact us Subject For any question about a product, an order If a technical problem occurs on this website E-mail address Message.
The gauge length isthe most significant difference between E8 and E8M testspecimens. Test specimens made from powder metallurgy(P/M) materials are exempt from this requirement by industry-wide agreement to keep the pressing of the material to aspecific projected area and density.1.3 Exceptions to the provisions of these test methods mayneed to be made in individual specifications or test methods fora particular material. For examples, see Test Methods andDefinitions A370 and Test Methods B557, and B557M.1.4 Room temperature shall be considered to be 10 to 38°C[50 to 100°F] unless otherwise specified.1.5 The values stated in SI units are to be regarded asseparate from inch/pound units. The values stated in eachsystem are not exact equivalents; therefore each system mustbe used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. @copyright 2017-Stdlibr ary All Rights Reserved.
Starting in 2008, this standard has been the integrated edition for the and (both of which were withdrawn at that time.) The standard is a collection of test methods that cover the tension testing of metallic materials. The items to be tested can be in any form and at room temperature. The methods cover the determination of yield strength, yield point elongation, tensile strength, elongation and the reduction of area. Tension tests are useful in comparisons of materials, alloy development, quality control and design.
The test methods have been used extensively in the trade for this purpose. Scope 1.1 These test methods cover the tension testing of metallic materials in any form at room temperature, specifically, the methods of determination of yield strength, yield point elongation, tensile strength, elongation, and reduction of area. 1.2 The gage lengths for most round specimens are required to be 4D for E8 and 5D for E8M. The gage length is the most significant difference between E8 and E8M Test Specimens Test specimens made from powder metallurgy (P/M) materials are exempt from this requirement by industry-wide agreement to keep the pressing of the material to a specific projected area and density. 1.3 Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material. For examples, see Test Methods and Definitions A370 and Test Methods B557, and B557M.
The methods cover the determination of yield strength, yield point elongation, tensile strength, elongation and the reduction of area. Tension tests are useful in comparisons of materials, alloy development, quality control and design. The tests have been used extensively in trade for acceptance testing of commercial shipments.
Tension tests provide information on the strength and ductility of materials under uniaial tensile stresses. This information may e useful in comparisons of materials, alloy development, uality control, and design under certain circumstances. The results of tension tests of specimens machined to standardi;ed 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 ehavior in different environments.
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The original cross sectional area is used for all engineering stress calculations. • Use ink and a scribe or punch to place gage marks on the test specimen at the appropriate gage length. The distance between the gage marks after the specimen is broken is used to determine the percent elongation at break. Note: To accurately compare elongation values between tests, the gage lengths must be the same. • Zero the testing machine without the specimen inserted in the grips. Then install the specimen in the grips and start loading the sample.
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