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UNS C15900 Dispersion Strengthened Copper

C15900 copper is a lightly alloyed grade of copper, formulated for primary forming into wrought products. Cited properties are appropriate for the M30 (as hot extruded) condition.

It has a fairly high tensile strength among wrought coppers. In addition, it has a moderately high embodied energy and a moderately low electrical conductivity.

The graph bars on the material properties cards below compare C15900 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

110 GPa 17 x 106 psi

Elongation at Break

6.5 %

Poisson's Ratio

0.34

Rockwell B Hardness

95

Shear Modulus

43 GPa 6.2 x 106 psi

Shear Strength

420 MPa 61 x 103 psi

Tensile Strength: Ultimate (UTS)

720 MPa 100 x 103 psi

Tensile Strength: Yield (Proof)

240 MPa 35 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)

1030 °C 1880 °F

Specific Heat Capacity

390 J/kg-K 0.094 BTU/lb-°F

Thermal Conductivity

280 W/m-K 160 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

48 % IACS

Electrical Conductivity: Equal Weight (Specific)

49 % IACS

Otherwise Unclassified Properties

Base Metal Price

30 % relative

Density

8.8 g/cm3 550 lb/ft3

Embodied Carbon

2.8 kg CO2/kg material

Embodied Energy

45 MJ/kg 19 x 103 BTU/lb

Embodied Water

310 L/kg 37 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

37 MJ/m3

Resilience: Unit (Modulus of Resilience)

260 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

23 points

Strength to Weight: Bending

20 points

Thermal Diffusivity

80 mm2/s

Thermal Shock Resistance

26 points

Alloy Composition

Among wrought copper alloys, the composition of C15900 copper is notable for including aluminum (Al). Aluminum is used to add strength and oxidation resistance.

Copper (Cu) 97.5 to 97.9
Aluminum (Al) 0.76 to 0.84
Titanium (Ti) 0.66 to 0.74
Oxygen (O) 0.4 to 0.54
Carbon (C) 0.27 to 0.33
Iron (Fe) 0 to 0.040

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

Followup Questions

Similar Alloys