Copper Alloy (UNS C95410)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations


Aluminum bronzes are a type of copper-bronze alloy where the key additive is aluminum rather than the usual tin. Copper UNS C95410 is an aluminum bronze casting alloy. This alloy has good wear resistance. The recommended casting methods include permanent mold, continuous, centrifugal, plaster, and sand.

The following datasheet discusses the chemical composition and properties of copper UNS C95410.

Chemical Composition

The chemical composition of UNS C95410 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 83
Aluminum, Al 10.0-11.5
Iron, Fe 3.0-5.0
Nickel, Ni 1.5-2.5
Manganese, Mn 0.5

Physical Properties

The following table discusses the physical properties of copper UNS C95410.

Properties Metric Imperial
Density 7.45 g/cm3 0.269 lb/in3
Melting point 1025 - 1040°C 1877 - 1900°F

Mechanical Properties

The mechanical properties of copper UNS C95410 are tabulated below.

Properties Metric Imperial
Tensile strength 515 MPa 74700 ksi
Yield strength 205 MPa 29700 ksi
Modulus of elasticity 110 GPa 16000 ksi
Poisson’s ratio 0.34 0.34
Shear Modulus 41 GPa 5950 ksi
Elongation at break 8% 8%
Hardness, Brinell 170 170
Hardness, Rockwell B 83 83

Thermal Properties

The thermal properties of copper UNS C95410 are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-300°C/68-572°F) 16.2 µm/m°C 9 µin/in°F
Thermal conductivity (@20°C/68°F) 59 W/mK 409 BTU in/hr.ft².°F

Other Designations

Other designations that are equivalent to copper UNS C95410 include:

  • ASTM B271
  • ASTM B505
  • ASTM B148
  • AMS 4871


Machinability - The machinability of copper UNS C95410 alloy is rated at 60.

Welding - Welding methods including soldering, brazing, gas shielded arc welding and coated metal arc welding are the best options for this alloy. Oxyacetylene welding is not recommended.


Copper UNS C95410 finds application in:

  • Worms
  • Bushings
  • Slides
  • Pump impellers
  • Pickling baskets
  • Valve seats and guides
  • Rolling mill slippers
  • Bearings and gears
  • Non-sparking hardware.

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