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BS 7670-2:1997
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Steel nuts and bolts for resistance projection welding Specification for welding of weld nuts and weld bolts
Hardcopy , PDF
English
15-03-1997
Committees responsible
Foreword
Specification
1 Scope
2 References
3 Definitions
4 Steel
5 Information and requirements to be agreed and to be
documented
6 Surface conditions
7 Edge conditions and form of component
8 Shape and dimensions
9 Materials for electrode assembly
10 Design of electrode assembly
11 Weld assessment
12 Routine inspection of welded components
13 Reclamation
Annexes
A (informative) Recommendations for appropriate welding
equipment
B (informative) Typical welding conditions
C (informative) Welding procedure information
Tables
1 Weld nut size relative to sheet thickness
2 Typical torque values for weld nuts
B.1 Typical welding condition for square weld nuts
B.2 Typical weld conditions for weld bolts
Figures
1 Positioning of square and hexagonal nuts prior to
welding
2 Location of weld bolt
List of references
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