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UNS C95410 Aluminum Bronze

C95410 bronze is a bronze formulated for casting. It has a fairly high heat capacity among cast bronzes. In addition, it can have a fairly high tensile strength and has a very high melting temperature.

The properties of C95410 bronze include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare C95410 bronze to: cast bronzes (top), all copper alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

160 to 200

Elastic (Young's, Tensile) Modulus

120 GPa 17 x 106 psi

Elongation at Break

9.1 to 13 %

Poisson's Ratio

0.34

Shear Modulus

43 GPa 6.2 x 106 psi

Tensile Strength: Ultimate (UTS)

620 to 740 MPa 91 to 110 x 103 psi

Tensile Strength: Yield (Proof)

260 to 380 MPa 37 to 55 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

230 °C 440 °F

Melting Completion (Liquidus)

1040 °C 1900 °F

Melting Onset (Solidus)

1030 °C 1880 °F

Specific Heat Capacity

440 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

59 W/m-K 34 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

13 % IACS

Electrical Conductivity: Equal Weight (Specific)

14 % IACS

Otherwise Unclassified Properties

Base Metal Price

28 % relative

Density

8.2 g/cm3 510 lb/ft3

Embodied Carbon

3.3 kg CO2/kg material

Embodied Energy

54 MJ/kg 23 x 103 BTU/lb

Embodied Water

390 L/kg 47 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

57 to 64 MJ/m3

Resilience: Unit (Modulus of Resilience)

280 to 630 kJ/m3

Stiffness to Weight: Axial

7.8 points

Stiffness to Weight: Bending

20 points

Strength to Weight: Axial

21 to 25 points

Strength to Weight: Bending

20 to 22 points

Thermal Diffusivity

16 mm2/s

Thermal Shock Resistance

22 to 26 points

Alloy Composition

Among cast copper alloys, the composition of C95410 bronze is notable for containing comparatively high amounts of iron (Fe) and aluminum (Al). Iron is used to increase strength inexpensively. Aluminum is used to add strength and oxidation resistance, at the cost of requiring additional care during casting.

Copper (Cu) 83 to 85.5
Aluminum (Al) 10 to 11.5
Iron (Fe) 3.0 to 5.0
Nickel (Ni) 1.5 to 2.5
Manganese (Mn) 0 to 0.5
Residuals 0 to 0.5

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

ASTM B148: Standard Specification for Aluminum-Bronze Sand Castings

ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings

ASTM B505: Standard Specification for Copper Alloy Continuous Castings

ASM Specialty Handbook: Copper and Copper Alloys, J. R. Davis (editor), 2001

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015