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TH04 Tempered C17200 Copper

TH04 C17200 copper is C17200 copper in the TH04 (full-hard and precipitation heat treated) temper. It has the second highest strength and second lowest ductility compared to the other variants of C17200 copper.

The graph bars on the material properties cards below compare TH04 C17200 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

2.3 %

Fatigue Strength

330 MPa 47 x 103 psi

Poisson's Ratio

0.33

Rockwell C Hardness

42

Shear Modulus

45 GPa 6.5 x 106 psi

Shear Strength

780 MPa 110 x 103 psi

Tensile Strength: Ultimate (UTS)

1360 MPa 200 x 103 psi

Tensile Strength: Yield (Proof)

1210 MPa 170 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

280 °C 530 °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 61 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

22 % IACS

Electrical Conductivity: Equal Weight (Specific)

23 % IACS

Otherwise Unclassified Properties

Density

8.8 g/cm3 550 lb/ft3

Embodied Carbon

9.4 kg CO2/kg material

Embodied Energy

150 MJ/kg 63 x 103 BTU/lb

Embodied Water

310 L/kg 37 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

30 MJ/m3

Stiffness to Weight: Axial

7.6 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

43 points

Strength to Weight: Bending

31 points

Thermal Diffusivity

31 mm2/s

Thermal Shock Resistance

46 points

Alloy Composition

Copper (Cu)Cu 96.1 to 98
Beryllium (Be)Be 1.8 to 2.0
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: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001

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