Copper, UNS C15500, Quarter Hard

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Copper, UNS C15500, Quarter Hard
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: high conductivity light-duty springs, electrical contacts, fittings, clamps, connectors, diaphragms, electronic components, resistance welding electrodes. Available as flat products, 5mm thick. 8.30 oz/ton Ag.
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	8.90 g/cc	0.322 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell F	89	89
Tensile Strength, Ultimate	310 MPa	45000 psi
Tensile Strength, Yield	246 MPa @Strain 0.2 %	35700 psi @Strain 0.2 %
	248 MPa @Strain 0.5 %	36000 psi @Strain 0.5 %
Elongation at Break	28 %	28 %	In 50 mm
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.307	0.307
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000192 ohm-cm @Temperature 20.0 °C	0.00000192 ohm-cm @Temperature 68.0 °F	annealed condition after precipitation heat treatment

Thermal Properties	Metric	English	Comments
CTE, linear	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-°C	0.0920 BTU/lb-°F
Thermal Conductivity	345 W/m-K	2390 BTU-in/hr-ft²-°F
Melting Point	1078 - 1080 °C	1972 - 1980 °F
Solidus	1078 °C	1972 °F
Liquidus	1080 °C	1980 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	485 - 540 °C	905 - 1000 °F
Hot-Working Temperature	750 - 875 °C	1380 - 1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	99.75 %	99.75 %
Magnesium, Mg	0.080 - 0.13 %	0.080 - 0.13 %
Phosphorus, P	0.040 - 0.080 %	0.040 - 0.080 %
Silver, Ag	0.027 - 0.10 %	0.027 - 0.10 %

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MC15500c2 / 10665

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