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BS EN 3004:1997
Current
The latest, up-to-date edition.
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Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286). Classification: 1100 MPa (at ambient temperature)/650°C. Technical specification
Hardcopy , PDF
English
15-06-1997
Committees responsible
National foreword
Foreword
1 Scope
2 Normative references
3 Definitions
4 Quality assurance
5 Requirements
Tables
1 Technical requirements and test methods
2 Allocation of qualification testing requirements
3 Classification of defects
4 Sampling of plans for visual inspections and
dimensional characteristics
5 Minimum values for axial load, wrench feature torque,
push out load, torque out test and seating torque for
vibration test
6 Sampling plans for the inspection of mechanical and
metallurgical characteristics
7 Values of breakaway torque, self-locking torque and
seating torque
8 Permissible surface discontinuities
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