Copper (Pure)DEFSTAN 02-837 (C106)

Defence Standard phosphorus deoxidised copper.

This Defence Standard (DEF STAN) 02-837 specifies the requirements for the manufacture, inspection, testing and supply of copper tubes that meet the requirements for phosphorus deoxidised non-arsenical copper conforming to the chemical composition of BS EN 12449:1999, CW024A.

C106/CW024A is phosphorous de-oxidised non-arsenical copper that is 99.9% pure.

Talk to an expertDownload PDF

Range Enquiry

To enquire about our range or your specific requirements, please contact your local service centre.

Related Specifications

C106/CW024A Copper corresponds to the following designations but may not be a direct equivalent:

  • UNS C12200
  • ISO Cu-DHP


Chemical Composition


  • Refrigeration
  • Gutters and roofing
  • Gas plants
  • Hydraulic, air and oil lines
  • Air Conditioning and refrigeration
  • Heater units and burners tubes
  • Plumbing pipe and fittings


  • Good thermal conductivity
  • Non-magnetic & spark resistant
  • Good electrical conductivity
  • Good corrosion resistance
  • Outstanding formability
  • Excellent joining properties
  • Ideal for plating and polishing

Additional Information


Find your local Service Centre

An extensive UK network of Service Centres, backed up by a central distribution facility.

  • Experienced multi-product specialists

  • In-house state of the art processing facilities

  • Large fleet of bespoke delivery vehicles

RBL Truck Retouched