BS 4129:1990
Current
The latest, up-to-date edition.
Specification for welding primers and weld-through sealants, adhesives and waxes for resistance welding of sheet steel
Hardcopy , PDF
English
30-11-1990
Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Classification
4. Coating procedures
4.1 Sampling
4.2 Mixing
4.3 Application of material to test specimen
4.4 Testing
5. Welding and test procedures
5.1 General
5.2 Test specimens
5.3 Application of coating
5.4 Measurement of surface coating
5.5 Type of machine
5.6 Machine settings
5.7 Contact resistance tests
5.8 Electrical continuity tests
5.9 Weldability tests
5.10 Flammability tests
5.11 Toxicity/fume tests
6. Retests
7. Marking
Appendix
A. Contact resistance test
Tables
1. Recommended applied forces for contact resistance
measurements
Figures
1. Current record test specimen
2. Circuit used for detecting the onset of welding
current flow
3. Chart record to indicate the onset of welding
current flow
4. Typical weldability lobe
5. Test specimen assembly for spot welding flammability
test with gun application
6. Test specimen assembly for spot welding flammability
test with spray or brush application
7. Order of welding for spot welding flammability tests
8. Arrangements of potential pick-up points for
measurement of resistance
9. Arrangement for static surface resistance
measurement at steady current
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