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BS A 301:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Procurement of corrosion and heat-resisting steel bolts with strength classification 1100 MPa and MJ threads
Hardcopy , PDF
30-09-2008
English
31-10-1989
National foreword
Committees responsible
Specification
1 Scope and field of application
2 References
3 Definitions
4 Quality assurance
5 Requirements
Tables
1 Technical requirements and test methods
2 Qualification testing requirements for bolt samples
3 Summary of qualification and acceptance tests
4 Surface discontinuities and contamination
5 Minimum tensile and double shear loads for
qualification and acceptance tests
6 Qualification and acceptance values for tension
fatigue test
7 Thread discontinuities - Maximum depth of
permissible faults
8 Classification of defects
9 Sampling plans for visual inspection and inspection
of dimensional characteristics
10 Sampling plans for the inspection of mechanical and
metallurgical characteristics
11 Variable sampling for tensile test (alternative
method)
Figures
1 Head structure and grain flow
2 Distortion in fillet area
3 Grain flow in thread
4 Non-permissible laps, seams and surface
irregularities
5 Permissible laps, seams and surface irregularities
6 Metallurgical specimens
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