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BS 3846:1970

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods for calibration and grading of extensometers for testing of metals
Available format(s)

Hardcopy , PDF

Superseded date

12-15-1995

Language(s)

English

Published date

12-17-1970

Co-operating organizations
Foreword
Methods
1 General
1.1 Scope
1.2 Definitions
2 Description of methods
2.1 Introduction
2.2 Calibration by means of a calibrating rig
2.3 Calibration by means of elastic devices
3 Calibration procedures
3.1 General
3.2 Accuracy of gauge length
3.3 Procedure using a calibrating rig
3.4 Procedure using elastic devices
3.5 Assessment of calibration
3.6 Grading
3.7 Record of results
3.8 Certificate of calibration
4 Requirements for calibration devices
4.1 Introduction
4.2 Calibrating rigs
4.3 Calibrated test pieces
5 Notes and recommendations
5.1 Notes and recommendations
Tables
1 Grading of extensometers
2 Limitation of grading
3 Example of grading
Figures
1 Measurement by interferometry
2 Measurement with slip gauges
3 Measurement with micrometer screw

Definitions, calibration devices and procedures for grading in terms of accuracy and repeatability. Recommendations on extensometer construction and use of calibrating equipment.

Committee
ISE/101
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 9513:2012 Similar to

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BS 4A 4-1.3:1967 Specification for test pieces and test methods for metallic materials. Tensile tests Uninterrupted creep and rupture tests. Metric units
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BS 7270:1990 Method for constant amplitude strain controlled fatigue testing
BS 5214-2:1978 Specification for testing machines for rubbers and plastics Constant rate of force application machines
BS DD86-2(1984) : 1984 DAMP-PROOF COURSES - METHOD OF TEST FOR CREEP DEFORMATION
BS 7448-4:1997 Fracture mechanics toughness tests Method for determination of fracture resistance curves and initiation values for stable crack extension in metallic materials

BS 970-2:1988 Specification for wrought steels for mechanical and allied engineering purposes Requirements for steels for the manufacture of hot formed springs
BS 3688-1:1963 Methods for mechanical testing of metals at elevated temperatures. Tensile testing

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