ISO 18225:2007-10

Content (en)

• Foreword
• Introduction
• Scope
• Normative references
• Terms and definitions Show subsection Close subsection

  • Structural definitions Show subsection Close subsection

    • Construction groups
  • Geometrical definitions
  • Definitions related to pressure
  • Materials definitions
  • Definitions related to material characteristics
  • Terms related to service conditions
• Pipes Show subsection Close subsection

  • Material Show subsection Close subsection

    • General
    • Reprocessable materials
    • Metallic materials
    • Product classification and construction group
  • General characteristics Show subsection Close subsection

    • General
    • Multilayer pipe construction
    • Minimum overall service (design) coefficient and design pressure
  • Dimensions of pipes Show subsection Close subsection

    • General
    • Dimensions Show subsection Close subsection

      • Measurements of dimensions
      • Mean outside diameter and out-of-roundness (ovality) and their tolerances
      • Wall thickness and tolerances
  • Mechanical properties Show subsection Close subsection

    • Long-term hydrostatic strength Show subsection Close subsection

      • General
      • Procedure I (calculation method)
      • Procedure II (testing method) Show subsection Close subsection

        • General
        • Pressure strength of all diameters
      • Calculation of the control points Show subsection Close subsection

        • Procedure I - P-pipes
        • Procedure II - P-pipes and M-pipes
    • Resistance to RCP
    • Strength of the weld line of M pipe
    • Resistance to slow crack growth of the outer layer (cone test) for M pipes
    • Structural performance Show subsection Close subsection

      • Multilayer M pipes
      • Multilayer P pipes
  • Physical properties Show subsection Close subsection

    • General
    • Additional requirements
• Fittings Show subsection Close subsection

  • Fittings reference standards
  • Materials
  • Dimensions
  • Elastomeric seals
• Fitness for purpose of the system
• Marking and documentation Show subsection Close subsection

  • Legibility
  • Damage
  • Minimum marking requirements Show subsection Close subsection

    • Additional Instructions
• List of reference product standards (normative)
• Testing resistance to gas constituents (normative) Show subsection Close subsection

  • Principle
  • Sample
  • Procedure
  • Report
• Testing resistance to weathering of outer layer of M-pipes (normative) Show subsection Close subsection

  • Principle
  • Apparatus
  • Procedure
  • Report
• Bibliography