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As Forged and Air Cooled (M10) C62300 Bronze

M10 C62300 bronze is C62300 bronze in the M10 (as forged and air cooled) condition. It has the lowest strength and highest ductility compared to the other variants of C62300 bronze. The graph bars on the material properties cards below compare M10 C62300 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

32 %

Poisson's Ratio

0.34

Rockwell B Hardness

82

Shear Modulus

43 GPa 6.2 x 106 psi

Shear Strength

370 MPa 54 x 103 psi

Tensile Strength: Ultimate (UTS)

570 MPa 82 x 103 psi

Tensile Strength: Yield (Proof)

260 MPa 37 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

220 °C 430 °F

Melting Completion (Liquidus)

1050 °C 1910 °F

Melting Onset (Solidus)

1040 °C 1910 °F

Specific Heat Capacity

440 J/kg-K 0.1 BTU/lb-°F

Thermal Conductivity

54 W/m-K 31 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

12 % IACS

Electrical Conductivity: Equal Weight (Specific)

13 % IACS

Otherwise Unclassified Properties

Base Metal Price

28 % relative

Density

8.3 g/cm3 520 lb/ft3

Embodied Carbon

3.1 kg CO2/kg material

Embodied Energy

52 MJ/kg 22 x 103 BTU/lb

Embodied Water

390 L/kg 46 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

150 MJ/m3

Resilience: Unit (Modulus of Resilience)

290 kJ/m3

Stiffness to Weight: Axial

7.6 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

19 points

Strength to Weight: Bending

18 points

Thermal Diffusivity

15 mm2/s

Thermal Shock Resistance

20 points

Alloy Composition

Copper (Cu) 83.2 to 89.5
Aluminum (Al) 8.5 to 10
Iron (Fe) 2.0 to 4.0
Nickel (Ni) 0 to 1.0
Tin (Sn) 0 to 0.6
Manganese (Mn) 0 to 0.5
Silicon (Si) 0 to 0.25
Residuals 0 to 0.5

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

Followup Questions

Further Reading

ASTM B283: Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)

ASTM B124: Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes

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