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Hot Extruded and Annealed (O30) C62400 Bronze

O30 C62400 bronze is C62400 bronze in the O30 (hot extruded and annealed) condition. The graph bars on the material properties cards below compare O30 C62400 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

14 %

Poisson's Ratio

0.34

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

430 MPa 62 x 103 psi

Tensile Strength: Ultimate (UTS)

710 MPa 100 x 103 psi

Tensile Strength: Yield (Proof)

270 MPa 39 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

220 °C 430 °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

12 % IACS

Electrical Conductivity: Equal Weight (Specific)

13 % IACS

Otherwise Unclassified Properties

Base Metal Price

27 % relative

Density

8.2 g/cm3 510 lb/ft3

Embodied Carbon

3.2 kg CO2/kg material

Embodied Energy

53 MJ/kg 23 x 103 BTU/lb

Embodied Water

400 L/kg 47 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

77 MJ/m3

Resilience: Unit (Modulus of Resilience)

320 kJ/m3

Stiffness to Weight: Axial

7.6 points

Stiffness to Weight: Bending

20 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

21 points

Thermal Diffusivity

16 mm2/s

Thermal Shock Resistance

25 points

Alloy Composition

Copper (Cu)Cu 82.8 to 88
Aluminum (Al)Al 10 to 11.5
Iron (Fe)Fe 2.0 to 4.5
Manganese (Mn)Mn 0 to 0.3
Silicon (Si)Si 0 to 0.25
Tin (Sn)Sn 0 to 0.2
Residualsres. 0 to 0.5

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

Followup Questions

Further Reading

ASTM B150: Standard Specification for Aluminum Bronze Rod, Bar, and Shapes

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