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TM04 Mill Hardened C17000 Copper

TM04 C17000 copper is C17000 copper in the TM04 (mill hardened to full-hard) temper. The graph bars on the material properties cards below compare TM04 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

10 %

Poisson's Ratio

0.33

Rockwell C Hardness

32

Shear Modulus

45 GPa 6.5 x 106 psi

Shear Strength

590 MPa 85 x 103 psi

Tensile Strength: Ultimate (UTS)

990 MPa 140 x 103 psi

Tensile Strength: Yield (Proof)

850 MPa 120 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)

95 MJ/m3

Resilience: Unit (Modulus of Resilience)

2980 kJ/m3

Stiffness to Weight: Axial

7.6 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

31 points

Strength to Weight: Bending

25 points

Thermal Diffusivity

32 mm2/s

Thermal Shock Resistance

34 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

How are the material properties defined?How do I compare this exact variant to another material?

Further Reading

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