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Spring-Tempered (H08) C10300 Copper

H08 C10300 copper is C10300 copper in the H08 (spring) temper. It has the second highest strength and lowest ductility compared to the other variants of C10300 copper. The graph bars on the material properties cards below compare H08 C10300 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

2.6 %

Poisson's Ratio

0.34

Rockwell F Hardness

94

Rockwell Superficial 30T Hardness

63

Shear Modulus

43 GPa 6.3 x 106 psi

Shear Strength

210 MPa 31 x 103 psi

Tensile Strength: Ultimate (UTS)

370 MPa 54 x 103 psi

Tensile Strength: Yield (Proof)

340 MPa 50 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)

1080 °C 1980 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

390 W/m-K 220 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

99 % IACS

Electrical Conductivity: Equal Weight (Specific)

99 % IACS

Otherwise Unclassified Properties

Base Metal Price

31 % relative

Density

9.0 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)

9.4 MJ/m3

Resilience: Unit (Modulus of Resilience)

510 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

110 mm2/s

Thermal Shock Resistance

13 points

Alloy Composition

Copper (Cu)Cu 99.95 to 99.999
Phosphorus (P)P 0.0010 to 0.0050

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

Followup Questions

Further Reading

ASTM B152: Standard Specification for Copper Sheet, Strip, Plate, and Rolled Bar

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

Copper: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001

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