SBAC TS 172 : 4
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-12-2004
1.0 Scope and field of application
2.0 References
2.1 Controlling organisations
3.0 Definitions
3.1 Production batch
3.2 Inspection lot
3.3 Discontinuities
3.4 Test temperature
3.5 Simple random sampling
3.6 Critical defect
3.7 Major defect
3.8 Minor defect
3.9 Sampling plan
3.10 Limiting quality
3.11 Acceptable quality level
3.12 Finished union nut
3.13 Definition document
3.14 Self locking torque
3.15 Seating torque
3.16 Unseating torque
3.17 Breakaway torque
3.18 Crimp
4.0 Certification and quality assurance
4.1 Qualification
4.2 Acceptance
4.3 Quality system certification
4.4 Responsibility for inspection and test methods
4.5 Inspection and test report
5.0 Table 1: Technical requirement and test methods
5.1 Materials
5.2 Dimensions; tolerances of form and position;
threads and quality
5.3 Manufacturing
5.4 Mechanical properties
5.5 Metallurgical properties
5.6 Product identification
5.7 Delivery
Table 2: Summary of tests - Qualification and production
acceptance
Table 3: Qualification testing requirements for union
nut samples
Table 4: Dimensions and materials of mandrels for
permanent set tests
Table 5: Values for breakaway torque; locking torque
and assembly torque
Table 6: Dimensions and materials of test pieces for
reusability tests
Table 7: Classification of defects
Table 8: Sampling plans for visual inspections and
dimensional characteristics
Table 9: Sampling plans for the inspection of mechanical
and metallurgical characteristics
Table 10: Maximum depth of permissible discontinuities
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