CA104 Aluminium Bronze

A high strength aluminium bronze alloy, used widely for marine valves and aerospace fasteners.

Broder Metals can provide Aluminium Bronze CA104 with the intent to meet ASTM B124/B124M-08a CuAl10Ni5Fe4 DIN 17 665 UNS C63200, C63000 CA 104 BS 2872, 2874, 2875 CuAl10Ni5Fe4 ISO 428.

Fully certified material, additional testing available.

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Aluminium Bronze CA0104 is favoured for its strength and resistance to erosion and corrosion in sea water. Key uses for the marine industry are high strength fasteners, springs, bearing bushes, valve and pump components. Alongside marine uses Aluminium Bronze CA104 is used for fasteners, springs and several components for the aerospace and automotive industry.

Aluminium CA104 Mechanical Properties

Tensile Strength Mpa min0.2% Proof Strength N/mm2 (min)Elongation on 5.56- gauge length %
6mm-15 mm dia70040010
15 mm - 80 mm 70037012
80mm +65032012

Hot Worked, Solution Treated and Precipitation Treated


For more technical information download our CA104 information sheet here


Aluminium Bronze CA104 is favoured for its strength and resistance to erosion and corrosion in sea water, and is used widely in marine, automotive and aerospace applications.

Key uses:

  • high strength fasteners
  • springs
  • bearing bushes
  • valve and pump components

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Mark Burton


Proud Associates

Broder Metals Group Certified To AS9120
Broder Metals Group Certified To AS9120