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BS 1723-3:1988

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Brazing Methods for non-destructive and destructive testing
Available format(s)

Hardcopy , PDF

Superseded date

15-09-2000

Language(s)

English

Published date

30-12-1988

Foreword
Committees responsible
Methods
Section one. General
1.1 Scope
1.2 Definitions
1.3 General principles
1.4 Items to be agreed and documented
1.5 Separation and preparation of the test piece
1.6 Sampling procedures
Section two. Non-destructive testing of brazed joints
2.1 General
2.2 Visual and aided visual examination of brazed
      joints
2.3 Proof testing of brazed joints
2.4 Pressure and vacuum testing for leaks in brazed
      joints
2.5 Penetrant flaw detection applied to brazed
      joints
2.6 Ultrasonic examination of brazed joints
2.7 Radiographic examination of brazed joints
2.8 Thermographic testing of brazed joints
Section three. Destructive testing of brazed joints
3.1 General
3.2 Tensile and shear testing of brazed joints
3.3 Peel testing of brazed joints
3.4 Stress rupture testing of brazed joints
3.5 Impact testing of brazed joints
3.6 Bend testing of brazed joints
3.7 Hardness testing of brazed joints
3.8 Metallorgraphic examination of brazed joints
3.9 Corrosion testing of brazed joints
Section four. Testing of brazing filler metals
4.1 General
4.2 Preparation of the test sample
4.3 Chemical composition of brazing filler metal
4.4 Carbon and spatter test for brazing filler metals
Section five. Brazing filler metal melting
characteristics
5.1 General
5.2 Preparation of the test samples
5.3 Procedure
5.4 Differential thermal analysis (DTA)
5.5 Crucible balling test (flow point)
Section six. Initial determination of flow
characteristics and wettability of brazing filler metals
6.1 General
6.2 Flow characteristics and wettability test
6.3 Joint filling and metallurgical characteristics
      of high temperature brazing filler metals
Appendices
A. Brazing
B. Defects in brazed joints
C. Example of data sheet for test piece preparation
D. Recommendations for operators
E. Example of non-destructive and destructive testing
     data sheet for reporting test results
Tables
1. Brazing conditions
2. Brazing quality category
Figures
1. Direct echo technique
2. Indirect echo technique
3. Principles of shear testing brazed joints
4. Type I shear test piece dimensions
5. Type II shear test piece dimensions
6. Single-lap shear test piece
7. Simple tensile test piece
8. Tensile test piece dimensions
9. Peel test piece
10. Stress rupture test pieces
11. Impact testing
12. Free bend test
13. Supported bend tests for lap and butt joints
14. Simple bend or flexing test
15. Test piece for gaseous and wet corrosion testing
16. Test piece for liquid or liquid metal corrosion
     testing
17. Test piece for gaseous corrosion testing
18. Check for the absence of splashing
19. DTA head
20. Types of test piece for flow characteristics
     and wettability test
21. Wedge gap test piece
22. Incomplete flow at fillet and in capillary
23. Longitudinal cracks
24. Transverse cracks
25. Porosity and inclusions
26. Erosion
27. Excessive filler metal flow
28. Incorrect component assembly

Principles, test piece, sampling, visual and aided visual, proof, pressure, vacuum, penetrant, ultrasonic, radiographic and thermographic testing. Tensile and shear, peel, stress rupture, impact, bend, hardness, metallographic and corrosion testing. Brazing filler metal testing and melting characteristics.

Committee
WEE/19
DocumentType
Standard
Pages
60
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 1723-4:1988 Brazing Methods for specifying brazing procedure and operator approval testing
PD 5500:2000 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
BS 1723-2:1986 Brazing Guide to brazing
BS 4434:1995 Specification for safety and environmental aspects in the design, construction and installation of refrigerating appliances and systems
BS 1724:1990 Specification for bronze welding by gas
BS 1723-1:1986 Brazing Specification for brazing

AWS C3.2 : 82(R1992) STANDARD METHOD FOR EVALUATING THE STRENGTH OF BRAZED JOINTS IN SHEAR
BS 3923-1:1986 Methods for ultrasonic examination of welds Methods for manual examination of fusion welds in ferritic steels
BS 131-1:1961 Methods for notched bar tests The Izod impact test on metals
BS 5750-2:1987 Quality systems Specification for production and installation
BS 499-1:1983 Welding terms and symbols. Glossary for welding, brazing and thermal cutting
BS 1723-2:1986 Brazing Guide to brazing
ISO 5187:1985 Welding and allied processes — Assemblies made with soft solders and brazing filler metals — Mechanical test methods
ISO 5179:1983 Investigation of brazeability using a varying gap test piece
BS 1723-1:1986 Brazing Specification for brazing
BS 1723-4:1988 Brazing Methods for specifying brazing procedure and operator approval testing

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