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TECHNICAL ISO/DTR
DRAFT
REPORT 15263
ISO/TC 164/SC 1
Measurement uncertainties in
Secretariat: AFNOR
mechanical tests on metallic
Voting begins on:
2023-11-02 materials — The evaluation of
uncertainties in tensile testing
Voting terminates on:
2023-12-28
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/DTR 15263:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023
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ISO/DTR 15263:2023(E)
FINAL
TECHNICAL ISO/DTR
DRAFT
REPORT 15263
ISO/TC 164/SC 1
Measurement uncertainties in
Secretariat: AFNOR
mechanical tests on metallic
Voting begins on:
materials — The evaluation of
uncertainties in tensile testing
Voting terminates on:
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© ISO 2023
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or ISO’s member body in the country of the requester.
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THEY ARE AWARE AND TO PROVIDE SUPPOR TING
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DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [email protected]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO
ISO/DTR 15263:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
© ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023
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ISO/DTR 15263:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and symbols . 1
3.1 Terms and definitions . 1
3.2 Symbols . 2
4 Steps for the evaluation of uncertainty . 4
4.1 General . 4
4.2 Step 1 — Defining the measurands for which uncertainty is to be evaluated . 5
4.3 Step 2 — Identifying all sources of uncertainty in the test . 6
4.4 Step 3 — Estimating the standard uncertainty for each source of uncertainty. 8
4.4.1 General . 8
4.4.2 Type A evaluation of standard uncertainty .
...