PREN 2582 : 200P1

1 Scope and field of application
2 References
3 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 bolt
  3.13 Definition document
4 Certification and quality assurance
  4.1 Qualification
  4.2 Acceptance
  4.3 Quality system certification
  4.4 Responsibility for inspection and tests
  4.5 Inspection and test report
5 Table 1: Technical requirement and test methods
  5.1 Materials
  5.2 Dimensions
  5.3 Manufacturing
  5.4 Mechanical properties
  5.5 Metallurgical properties
  5.6 Product identification
  5.7 Delivery
  Table 2: Material removal
  Table 3: Qualification testing requirements for bolt samples
  Table 4: Summary of tests - Qualification and Production
           acceptance
  Table 5: Minimum tensile and stress rupture loads
  Table 6: Classification of defects
  Table 7: Sampling plans for visual inspections and dimensional
           characteristics
  Table 8: Sampling plans for the inspection of mechanical and
           metallurgical characteristics
  Table 9: Thread discontinuities - maximum depth of permissible
           faults
  Table 10: Variable sampling for tensile tests
  Figure 1: Head structure and grain flow
  Figure 2: Distortion in fillet area
  Figure 3: Grain flow in thread
  Figure 4: Non-permissible laps, seams and surface irregularities
  Figure 5: Permissible laps, seams and surface irregularities
  Figure 6: Crest lap imperfections
  Figure 7: Metallurgical specimens

Specifies the technical, qualification and quality assurance requirements for bolts in material NI P101-HT (Waspaloy) of tensile strength class 1210 MPa at room temperature, maximum test temperature of material 730 degrees C.