ASTM A370-02e1

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
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Designation: A 370 – 02
Standard Test Methods and Definitions for
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Mechanical Testing of Steel Products
This standard is issued under the fixed designation A 370; 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.
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e NOTE—The title of Figure 3 was corrected editorially in August 2002.
1. Scope 1.5 When this document is referenced in a metric product
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specification, the yield and tensile values may be determined in
1.1 These test methods cover procedures and definitions
inch-pound (ksi) units then converted into SI (MPa) units. The
for the mechanical testing of wrought and cast steels, stainless
elongation determined in inch-pound gage lengths of 2 or 8 in.
steels, and related alloys. The various mechanical tests herein
may be reported in SI unit gage lengths of 50 or 200 mm,
described are used to determine properties required in the
respectively, as applicable. Conversely, when this document is
product specifications. Variations in testing methods are to be
referenced in an inch-pound product specification, the yield
avoided, and standard methods of testing are to be followed to
and tensile values may be determined in SI units then con-
obtain reproducible and comparable results. In those cases in
verted into inch-pound units. The elongation determined in SI
which the testing requirements for certain products are unique
unit gage lengths of 50 or 200 mm may be reported in
or at variance with these general procedures, the product
inch-pound gage lengths of 2 or 8 in., respectively, as appli-
specification testing requirements shall control.
cable.
1.2 The following mechanical tests are described:
1.6 Attention is directed to Practices A 880 and E 1595
Sections
when there may be a need for information on criteria for
Tension 5 to 13
Bend 14
evaluation of testing laboratories.
Hardness 15
1.7 This standard does not purport to address all of the
Brinell 16
safety concerns, if any, associated with its use. It is the
Rockwell 17
Portable 18
responsibility of the user of this standard to establish appro-
Impact 19 to 28
priate safety and health practices and determine the applica-
Keywords 29
bility of regulatory limitations prior to use.
1.3 Annexes covering details peculiar to certain products
are appended to these test methods as follows: 2. Referenced Documents
Annex
2.1 ASTM Standards:
Bar Products A1.1
A 703/A 703M Specification for Steel Castings, General
Tubular Products Annex A2
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Fasteners Annex A3 Requirements, for Pressure-Containing Parts
Round Wire Products Annex A4
A 781/A 781M Specification for Castings, Steel and Alloy,
Significance of Notched-Bar Impact Testing Annex A5
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Common Requirements, for General Industrial Use
Converting Percentage Elongation of Round Specimens to Annex A6
Equivalents for Flat Specimens A 833 Practice for Indentation Hardness of Metallic Mate-
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Testing Multi-Wire Strand Annex A7
rials by Comparison Hardness Testers
Rounding of Test Data Annex A8
A 880 Practice for Criteria for Use in Evaluation of Testing
Methods for Testing Steel Reinforcing Bars Annex A9
Laboratories and Organizations for Examination and In-
Procedure for Use and Control of Heat-Cycle Simulation Annex A10
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spection of Steel, Stainless Steel, and Related Alloys
1.4 The values stated in inch-pound units are to be regarded
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E 4 Practices for Force Verification of Testing Machines
as the standard.
E 6 Terminology Relating to Methods of Mechanical Test-
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ing
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E 8 Test Methods for Tension Testing of Metallic Materials
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These test methods and definitions are under the jurisdiction of ASTM
Committee A01 on Steel, Stainless Steel and Related Alloys and are the direct
responsibility of Subcommittee A01.13 on Mechanical and Chemical Testing and
Processing Methods of Steel Products and Processes.
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Current edition approved Jan. 10, 2002. Published March 2002. Originally Annual Book of ASTM Standards, Vol 01.02.
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published as A 370 – 53 T. Last previous edition A 370 – 01. Annual Book of ASTM Standards, Vol 01.05.
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For ASME Boiler and Pressure Vessel Code applications see related Specifi- Annual Book of ASTM Standards, Vol 01.03.
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cation SA-370 in Section II of that Code. Annual Book of ASTM Standards, Vol 03.01.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm
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