Copper Alloys, Aluminium BronzeDEFSTAN 02-838 (NES838) Bar

UK Defence Standard phosphor bronze alloy.

A phosphor bronze alloy with high strength and very high corrosion resistance especially in sewater and marine environments.

Mainly used in naval engineering, nuclear, aerospace and defence applications.

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Range Enquiry

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

Related Specifications

  • DEF STAN 02-838
  • NES838
  • NES 838
  • DEF STAN 838


Chemical Composition


  • High performance fasteners
  • Valve and pump components
  • Propeller shafts
  • Weapons handling systems
  • Pipe fittings
  • Heat exchangers
  • Wear plates
  • Thrust washers
  • Bearings & bushes
  • Safety tools
  • Worm wheels and gears


  • High strength and toughness
  • Outstanding resistance to erosion and corrosion
  • High wear and galling resistance
  • Excellent mechanical properties at sub-zero temperatures
  • Ultrasonically tested

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

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