Standard
UPDATE AVAILABLE
AS 1391-2007
[Superseded]Metallic materials — Tensile testing at ambient temperature
Specifies methods by which a test piece of metal is strained in uni-axial tension at room temperature in order to determine one or more of its tensile properties.
Published: 12/07/2007
Pages: 54
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Test conditions
5 Symbols and designations
6 Test piece
6.1 Shape and dimensions
6.1.1 General
6.1.2 Machined test pieces
6.1.3 Non-machined test pieces
6.2 Test piece types
6.3 Preparation of test pieces
7 Marking the original gauge length (Lo)
8 Accuracy of testing apparatus
8.1 General
8.2 Force measuring system
8.3 Extensometer
9 Testing rate
9.1 Speed of testing
9.2 Yield and proof strengths
9.2.1 Upper yield strength (ReH)
9.2.2 Lower yield strength (ReL)
9.2.3 Upper and lower yield strength (ReH and ReL)
9.2.4 Proof strength plastic extension (Rp) and proof strength total extension (Rt)
9.2.5 Rate of separation
9.2.6 Tensile strength (Rm)
10 Determination of the percentage plastic extension at maximum force (Ag)
11 Determination of percentage elongation after fracture (A)
11.1 Percentages elongation after fracture
11.2 Machines capable of measuring extension at fracture using an extensometer
11.3 Elongation measured over a given fixed length
11.4 Avoidance of reject test pieces
12 Determination of percentage total elongation at maximum force (Agt)
13 Determination of the percentage yield point extension (Ae)
14 Determination of proof strength, plastic extension (Rp)
15 Determination of proof strength, total extension (Rt)
16 Method of verification of permanent set strength (Rr)
17 Determination of percentage reduction of area (Z)
18 Accuracy of the results
19 Record of results
20 Test report
21 Force-extension diagrams
22 Test piece forms
Appendix A
A1 General
A2 Shape of the test piece
A3 Dimensions of the test piece
A4 Preparation of test pieces
A4.1 Preparation
A4.2 Width tolerance
A5 Determination of the original cross-sectional area (So)
Appendix B
B1 Shape of the test piece
B2 Dimensions of the test piece
B3 Preparation of test pieces
B4 Determination of the original cross-sectional area (So)
Appendix C
C1 Shape of the test piece
C2 Dimensions of the test piece
C2.1 Parallel length of machined test piece (Lc)
C2.2 Length of unmachined test pieces
C2.3 Original gauge length (Lo)
C2.3.1 Proportional test pieces
C2.3.2 Non-proportional test pieces
C3 Preparation of test pieces
C4 Determination of the cross-sectional area (So)
Appendix D
D1 Shape of the test piece
D2 Dimensions of the test piece
D2.1 Length of tube
D2.2 Longitudinal or transverse strip
D2.3 Circular cross-section test piece machined in tube wall
D3 Determination of the original cross-sectional area (So)
Appendix E
Appendix F
Appendix G
Appendix H
H1 Introduction
H2 Estimation of uncertainty
H2.1 Material independent parameters
H2.2 Material dependent parameters
H2.3 Total measurement uncertainty
H3 Concluding remarks
Appendix I
I1 Scope
I2 Designatory system
I2.1 Method of designation
I2.2 Application of this system
I2.3 Position
I3 Application of designatory system to properties listed in material specifications
I3.1 Application
I3.2 Limits of application
Appendix J
J1 Scope
J2 General requirements
J2.1 Representative testing
J2.2 Identification of sample products, samples, rough specimens and test pieces
J3 Preparation of samples and selection of test pieces
J3.1 Selection and dimensions of samples and location of test pieces
J3.2 Direction of axis of test pieces
J3.3 Condition and separation of samples
J3.3.1 General
J3.3.2 Testing in the as-delivered condition
J3.3.3 Testing in the reference condition
J3.3.3.1 Sample
J3.3.3.2 Rough specimen
J4 Preparation of test pieces
J4.1 Cutting and machining
J4.2 Reference heat treatment
J5 Location of samples and test pieces
J5.1 General
J5.2 Sections
J5.2.1 Location of test pieces across the width of section
J5.2.2 Location of test pieces in thickness of section
J5.3 Rounds bars and rods
J5.4 Hexagonal bar
J5.5 Rectangular bar
J5.6 Flat products
J5.7 Tubular products
J5.8 Rectangular hollow sections
Amendment control sheet
Cited references in this standard
[Current]
Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
[Current]
Steel - Conversion of elongation values - Part 1: Carbon and low-alloy steels
[Withdrawn]
ISO system of limits and fits, Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
Content history
[Current]
[Superseded]
[Superseded]
DR 06728
AS 1391-2007 Rec:2017
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