Specifies the method by which a test piece of metal is strained in uni-axial tension at elevated temperature in order to determine one or more of its short-time tensile properties.
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Symbols and designations
5 Principle
6 Apparatus
6.1 Testing machine
6.2 Extensometer
6.3 Heating device
6.3.1 Permitted deviations of temperature
6.3.2 Measurement of temperature
6.3.3 Verification of the temperature-measuring system
7 Test piece
7.1 Shape and dimensions
7.1.1 General
7.1.2 Machined test pieces
7.1.3 Non-machined test pieces
7.2 Types
7.3 Preparation of test pieces
8 Test conditions
8.1 Heating of the test piece
8.2 Loading of the test piece
8.3 Rate of loading
8.3.1 Determination of yield strength
8.3.2 Determination of tensile strength
9 Procedure
9.1 Determination of original cross-sectional area (So)
9.2 Marking the original gauge length (Lo)
9.3 Determination of percentage elongation after fracture (A)
9.4 Determination of proof strength non proportional extension (Rp)
9.5 Determination of proof strength, total extension (Rt)
9.6 Verification of specified percentage permanent elongation (Rr)
10 Record of results
11 Accuracy of the results
12 Test report
13 Force-extension diagrams
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
E1 Scope
E2 Designatory system
E2.1 Method of designation
E2.2 Application of this system
E2.3 Position
E3 Application of designatory system to properties listed in material specifications
E3.1 Application
E3.2 Limits of application
Appendix F
F1 Scope
F2 General requirements
F2.1 Representative testing
F2.2 Identification of sample products, samples, rough specimens and test pieces
F3 Preparation of samples and selection of test pieces
F3.1 Selection and dimensions of samples and location of test pieces
F3.2 Direction of axis of test pieces
F3.3 Condition and separation of samples
F3.3.1 General
F3.3.2 Testing in the as-delivered condition
F3.3.3 Testing in the reference condition
F3.3.3.1 Sample
F3.3.3.2 Rough specimen
F4 Preparation of test pieces
F4.1 Cutting and machining
F4.2 Reference heat treatment
F5 Location of samples and test pieces
F5.1 General
F5.2 Sections
F5.2.1 Location of test pieces across the width of section
F5.2.2 Location of test pieces in thickness of section
