DIN 30678 Polypropylene Coatings, Requirements and Tests on Steel Pipes and Fittings

Material Testing

DIN 30678 Polypropylene Coatings, Requirements and Tests on Steel Pipes and Fittings

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of DIN 30678 testing. This standard specifies requirements for factory-applied three-layer extruded polypropylene-based coatings and single- or multi-layer sintered polypropylene-based coatings.

DIN 30678 Polypropylene Coatings, Requirements and Tests on Steel Pipes and Fittings

This standard specifies requirements for coatings applied to longitudinal or spirally welded or seamless steel pipes and fittings used in the construction of pipelines to transport liquids or gases.

The application of this standard ensures that the PP coating provides adequate protection against mechanical, thermal and chemical loads that occur during operation, transportation, storage and installation.

DIN EN ISO 21809-1 specifies international requirements for three-layer extruded polypropylene and polypropylene-based coatings for steel pipes for oil and gas pipeline transport systems.

The following application areas are not covered by DIN EN ISO 21809-1:

  • All polypropylene-based coatings for steel pipes and fittings used for the transport and distribution of water and wastewater,
  • All polypropylene-based coatings for steel pipes and fittings, distribution pipelines for gas and liquid media,
  • Single and multi-layer sintered polypropylene-based coatings for steel pipes and fittings used for transport pipelines and distribution pipelines.

The current standard applies to the above application areas.

The coatings are suitable for the protection of buried or immersed steel pipes at design temperatures of –20ºC to +110ºC. Special precautions must be taken in transport, handling and installation for temperatures below 0ºC. Buyer should specify temperature ranges below 0ºC and above 90ºC as this may require adjustments to coating components.

EUROLAB assists manufacturers with DIN 30678 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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