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TH04 Tempered C17000 Copper

TH04 C17000 copper is C17000 copper in the TH04 (full-hard and precipitation heat treated) temper. It has the highest strength and second lowest ductility compared to the other variants of C17000 copper. The graph bars on the material properties cards below compare TH04 C17000 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

0.33

Rockwell C Hardness

39

Shear Modulus

45 GPa 6.5 x 106 psi

Shear Strength

750 MPa 110 x 103 psi

Tensile Strength: Ultimate (UTS)

1310 MPa 190 x 103 psi

Tensile Strength: Yield (Proof)

1140 MPa 170 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

270 °C 510 °F

Melting Completion (Liquidus)

980 °C 1800 °F

Melting Onset (Solidus)

870 °C 1590 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

110 W/m-K 62 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

22 % IACS

Electrical Conductivity: Equal Weight (Specific)

22 % IACS

Otherwise Unclassified Properties

Density

8.8 g/cm3 550 lb/ft3

Embodied Carbon

8.7 kg CO2/kg material

Embodied Energy

140 MJ/kg 58 x 103 BTU/lb

Embodied Water

310 L/kg 37 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

32 MJ/m3

Resilience: Unit (Modulus of Resilience)

5420 kJ/m3

Stiffness to Weight: Axial

7.6 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

41 points

Strength to Weight: Bending

30 points

Thermal Diffusivity

32 mm2/s

Thermal Shock Resistance

45 points

Alloy Composition

Copper (Cu)Cu 96.3 to 98.2
Beryllium (Be)Be 1.6 to 1.8
Nickel (Ni)Ni 0.2 to 0.6
Iron (Fe)Fe 0 to 0.4
Silicon (Si)Si 0 to 0.2
Aluminum (Al)Al 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 B196: Standard Specification for Copper-Beryllium Alloy Rod and Bar

ASTM B194: Standard Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar

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

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