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Elmet Technologies

Oxygen-free silver-bearing Copper, UNS C10500, OSO50 Temper flat products, rod, shapes, tubing
Categories: Metal; Nonferrous Metal; Copper Alloy

Material Notes: Good to excellent corrosion resistance. Excellent hot and cold workability; good forgeability. Fabricated by coining, coppersmithing, drawing and upsetting, hot forging and pressing, spinning, swaging, stamping.

Applications: auto gaskets, radiators, busbars, conductivity wire, contacts, radio parts, winding, switches, terminals, commutator segments, chemical process equipment, printing rolls, clad metals, printed circuit foil.

Test specimens: flat products - 6mm thick, rod - 25mm OD, shapes - 13mm section, and tubing - 25mm OD x 1.65mm wall thickness.

Similar alloys distinguished only by silver content: 8 oz/ton Ag (UNS C10400), 10 oz/ton Ag (UNS C10500), 25 oz/ton Ag (UNS C10700).

Key Words: AMSIL Copper; Oxygen-free Silver-Copper; ASTM-B-152, QQ-C-502, QQ-C-576
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Physical PropertiesMetricEnglishComments
Density 8.94 g/cc0.323 lb/in³UNS C10700
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell F 4040
Tensile Strength, Ultimate 220 MPa31900 psi
Tensile Strength, Yield 69.0 MPa10000 psi
Elongation at Break 45 %45 %Tubing
 50 %50 %in 50 mm, flat products, shapes
 55 %55 %Rod
Modulus of Elasticity 115 GPa16700 ksi
Poissons Ratio 0.3070.307
Machinability 20 %20 %UNS C36000 (free-cutting brass) = 100%
Forgeability 65 %65 %
Shear Modulus 44.0 GPa6380 ksi
Shear Strength 150 MPa21800 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000172 ohm-cm
@Temperature 20.0 °C
0.00000172 ohm-cm
@Temperature 68.0 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  17.0 µm/m-°C
@Temperature 20.0 - 100 °C
9.44 µin/in-°F
@Temperature 68.0 - 212 °F
 17.3 µm/m-°C
@Temperature 20.0 - 200 °C
9.61 µin/in-°F
@Temperature 68.0 - 392 °F
 17.7 µm/m-°C
@Temperature 20.0 - 300 °C
9.83 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.385 J/g-°C0.0920 BTU/lb-°F
Thermal Conductivity 388 W/m-K
@Temperature 20.0 °C
2690 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Melting Point <= 1083 °C<= 1981 °F
Solidus 1083 °C1981 °F
Liquidus 1083 °C1981 °F
Annealing Point >= 482 °C>= 900 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 475 - 750 °C887 - 1380 °F
Hot-Working Temperature 750 - 875 °C1380 - 1610 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu >= 99.95 %>= 99.95 %Includes Ag
Silver, Ag >= 0.034 %>= 0.034 %Min 10 troy oz./ton

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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