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Extra-Hard (H06) C12500 Copper

H06 C12500 copper is C12500 copper in the H06 (extra hard) temper. It has the lowest ductility compared to the other variants of C12500 copper. The graph bars on the material properties cards below compare H06 C12500 copper to: wrought coppers (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

120 GPa 17 x 106 psi

Elongation at Break

1.5 %

Poisson's Ratio

0.34

Shear Modulus

43 GPa 6.3 x 106 psi

Shear Strength

220 MPa 31 x 103 psi

Tensile Strength: Ultimate (UTS)

380 MPa 55 x 103 psi

Tensile Strength: Yield (Proof)

370 MPa 53 x 103 psi

Thermal Properties

Latent Heat of Fusion

210 J/g

Maximum Temperature: Mechanical

200 °C 390 °F

Melting Completion (Liquidus)

1080 °C 1980 °F

Melting Onset (Solidus)

1070 °C 1950 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

350 W/m-K 200 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

92 % IACS

Electrical Conductivity: Equal Weight (Specific)

93 % IACS

Otherwise Unclassified Properties

Base Metal Price

31 % relative

Density

8.9 g/cm3 560 lb/ft3

Embodied Carbon

2.6 kg CO2/kg material

Embodied Energy

41 MJ/kg 18 x 103 BTU/lb

Embodied Water

310 L/kg 37 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

5.6 MJ/m3

Resilience: Unit (Modulus of Resilience)

580 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

12 points

Strength to Weight: Bending

13 points

Thermal Diffusivity

100 mm2/s

Thermal Shock Resistance

13 points

Alloy Composition

Copper (Cu)Cu 99.88 to 100
Nickel (Ni)Ni 0 to 0.050
Tellurium (Te)Te 0 to 0.025
Arsenic (As)As 0 to 0.012
Lead (Pb)Pb 0 to 0.0040
Bismuth (Bi)Bi 0 to 0.0030
Antimony (Sb)Sb 0 to 0.0030
Residualsres. 0 to 0.3

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

Followup Questions

Further Reading

Copper Alloys: Preparation, Properties and Applications, Michael Naboka and Jennifer Giordano (editors), 2013