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UNS C61500 Aluminum Bronze

C61500 bronze is a bronze formulated for primary forming into wrought products.

The properties of C61500 bronze include six common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare C61500 bronze to: wrought 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

Elastic (Young's, Tensile) Modulus

110 GPa 16 x 106 psi

Elongation at Break

3.0 to 55 %

Poisson's Ratio

0.34

Rockwell Superficial 30T Hardness

42 to 85

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

350 to 550 MPa 51 to 80 x 103 psi

Tensile Strength: Ultimate (UTS)

480 to 970 MPa 70 to 140 x 103 psi

Tensile Strength: Yield (Proof)

150 to 720 MPa 22 to 110 x 103 psi

Thermal Properties

Latent Heat of Fusion

220 J/g

Maximum Temperature: Mechanical

220 °C 420 °F

Melting Completion (Liquidus)

1040 °C 1900 °F

Melting Onset (Solidus)

1030 °C 1890 °F

Specific Heat Capacity

430 J/kg-K 0.1 BTU/lb-°F

Thermal Conductivity

58 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)

13 % IACS

Otherwise Unclassified Properties

Base Metal Price

29 % relative

Density

8.4 g/cm3 530 lb/ft3

Embodied Carbon

3.2 kg CO2/kg material

Embodied Energy

52 MJ/kg 22 x 103 BTU/lb

Embodied Water

380 L/kg 45 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

27 to 200 MJ/m3

Resilience: Unit (Modulus of Resilience)

100 to 2310 kJ/m3

Stiffness to Weight: Axial

7.5 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

16 to 32 points

Strength to Weight: Bending

16 to 26 points

Thermal Diffusivity

16 mm2/s

Thermal Shock Resistance

17 to 34 points

Alloy Composition

Among wrought copper alloys, the composition of C61500 bronze is notable for including aluminum (Al) and nickel (Ni). Aluminum is used to add strength and oxidation resistance. Nickel is used to improve strength (particularly at elevated temperatures) and corrosion resistance.

Copper (Cu) 89 to 90.5
Aluminum (Al) 7.7 to 8.3
Nickel (Ni) 1.8 to 2.2
Lead (Pb) 0 to 0.015
Residuals 0 to 0.5

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

Followup Questions

Similar Alloys

Further Reading

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