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Extra-Hard (H06) C40500 Penny Bronze

H06 C40500 penny bronze is C40500 penny bronze in the H06 (extra hard) temper. The graph bars on the material properties cards below compare H06 C40500 penny 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 17 x 106 psi

Elongation at Break

7.0 %

Poisson's Ratio

0.34

Rockwell B Hardness

76

Rockwell Superficial 30T Hardness

69

Shear Modulus

43 GPa 6.2 x 106 psi

Shear Strength

280 MPa 41 x 103 psi

Tensile Strength: Ultimate (UTS)

480 MPa 69 x 103 psi

Tensile Strength: Yield (Proof)

460 MPa 66 x 103 psi

Thermal Properties

Latent Heat of Fusion

200 J/g

Maximum Temperature: Mechanical

190 °C 370 °F

Melting Completion (Liquidus)

1060 °C 1940 °F

Melting Onset (Solidus)

1020 °C 1880 °F

Specific Heat Capacity

380 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

160 W/m-K 95 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

41 % IACS

Electrical Conductivity: Equal Weight (Specific)

42 % IACS

Otherwise Unclassified Properties

Base Metal Price

30 % relative

Density

8.8 g/cm3 550 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

43 MJ/kg 19 x 103 BTU/lb

Embodied Water

320 L/kg 38 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

33 MJ/m3

Resilience: Unit (Modulus of Resilience)

910 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

15 points

Strength to Weight: Bending

15 points

Thermal Diffusivity

48 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Copper (Cu)Cu 94 to 96
Zinc (Zn)Zn 2.1 to 5.3
Tin (Sn)Sn 0.7 to 1.3
Iron (Fe)Fe 0 to 0.050
Lead (Pb)Pb 0 to 0.050
Residualsres. 0 to 0.5

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

Followup Questions

Further Reading

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993