New edition of NORSOK M-501 is published

NORSOK M-501:2022 Surface protection and protective coating, edition 7, was published in November 2022.

The oil platform Troll A offshore
Photo: Øyvind Hagen Statoil

The main changes from the previous edition, edition 6 from 2012, are an update of the technical content based on experience, new requirements and new international standards.

  • Advises coatings systems that can meet the high durability range as per ISO 12944-1
  • Defines the corrosivity categories accounted for as per ISO 12944-2
    Includes pre-qualification requirements for coating under insulation and for tank linings
  • Clarifies the qualification requirements for paint shops and operators
    Clarifies the inspection and testing requirements that apply before, during and after coating application
  • Captures improvements from IOGP doc S-715
  • Introduces new coating systems to cover cryogenic conditions, high temperature service, powder coating and passive fire protection (PFP) in splash zone.

The standard is revised by the expert group SN/K 114 NORSOK EG M Materials.

Questions and contact

For further detail please contact Project Manager at Standards Norway, Espen Holm.

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