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BS ISO 21809-4:2026 - TC

Tracked Changes. Oil and gas industries including lower carbon energy. External coatings for buried or submerged pipelines used in pipeline transportation systems - Polyethylene coatings (2-layer PE)

General Information

Status : Definitive
Standard Type: Main
Document No: BS ISO 21809-4:2026 - TC
Document Year: 2026
Pages: 174
  • Section Volume:
  • GBM15 Metal Treatment & Welding (GMB15)
  • GBM41 Metal Products (GMB41)
  • GBM39 Mining & Petroleum Technology (GMB39)
  • ICS:
  • 23.040.10 Iron and steel pipes
  • 25.220.60 Organic coatings
  • 75.200 Petroleum products and natural gas handling equipment

Life Cycle

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Definitive
BS ISO 21809-4:2026 - TC
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