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UNS C10500 Oxygen-Free Silver-Bearing Copper

C10500 copper is a lightly alloyed grade of copper, formulated for primary forming into wrought products. It can have a moderately low tensile strength among the wrought coppers in the database.

The properties of C10500 copper include twelve common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare C10500 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

2.8 to 51 %

Poisson's Ratio

0.34

Rockwell B Hardness

10 to 62

Rockwell F Hardness

40 to 99

Rockwell Superficial 30T Hardness

27 to 67

Shear Modulus

43 GPa 6.3 x 106 psi

Shear Strength

150 to 210 MPa 22 to 31 x 103 psi

Tensile Strength: Ultimate (UTS)

220 to 400 MPa 32 to 58 x 103 psi

Tensile Strength: Yield (Proof)

75 to 400 MPa 11 to 58 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

100 % IACS

Electrical Conductivity: Equal Weight (Specific)

100 % IACS

Otherwise Unclassified Properties

Base Metal Price

32 % relative

Density

9.0 g/cm3 560 lb/ft3

Embodied Carbon

2.6 kg CO2/kg material

Embodied Energy

42 MJ/kg 18 x 103 BTU/lb

Embodied Water

350 L/kg 41 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

11 to 90 MJ/m3

Resilience: Unit (Modulus of Resilience)

24 to 680 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

6.8 to 12 points

Strength to Weight: Bending

9.1 to 14 points

Thermal Diffusivity

110 mm2/s

Thermal Shock Resistance

7.8 to 14 points

Alloy Composition

Among wrought copper alloys, the composition of C10500 copper is notable for including silver (Ag). Silver is used to increase recrystallization temperature in copper alloys. This permits operation at higher temperatures without permanent loss of mechanical properties.

Copper (Cu) 99.89 to 99.966
Silver (Ag) 0.034 to 0.060
Oxygen (O) 0 to 0.0010
Residuals 0 to 0.050

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

Followup Questions

Similar Alloys

Further Reading

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