Copper Alloy, UNS C66710, O61 Temper, Strip

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Copper Alloy, UNS C66710, O61 Temper, Strip
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Annealed Fabrication Properties: Excellent Suitability – Capacity for Being Cold Worked, Capacity for Being Hot Formed; Fair Suitability – Brazing, Gas Shielded Arc Welding, Coated Metal Arc Welding, Spot Weld, Seam Weld, Butt Weld; Poor Suitability – Soldering, Oxyacetylene Welding
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Physical Properties	Metric	English	Comments

Density	8.33 g/cc	0.301 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	80 - 100 @Load 3.00 kg	80 - 100 @Load 6.62 lb
Tensile Strength	372 MPa	54000 psi	Typical
	345 - 414 MPa	50000 - 60000 psi
Tensile Strength, Yield	145 MPa	21000 psi	0.2% Offset, Typical
	110 - 186 MPa	16000 - 27000 psi	0.2% Offset
Elongation at Break	>= 30 %	>= 30 %
Tensile Modulus	110.0 GPa	15950 ksi
Modulus of Rigidity	41.34 GPa	5996 ksi	Calculated
Poissons Ratio	0.33	0.33
Machinability	65 %	65 %
Forgeability	99 %	99 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000123 ohm-cm	0.0000123 ohm-cm	14% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	17.8 µm/m-°C @Temperature 20.0 - 300 °C	9.87 µin/in-°F @Temperature 68.0 - 572 °F
Thermal Conductivity	6.77 W/m-K	47.0 BTU-in/hr-ft²-°F
Melting Point	897.8 - 935.6 °C	1648 - 1716 °F
Solidus	897.8 °C	1648 °F
Liquidus	935.6 °C	1716 °F

Component Elements Properties	Metric	English	Comments
Cobalt, Co	<= 0.050 %	<= 0.050 %
Copper, Cu	65 - 70 %	65 - 70 %
Iron, Fe	<= 0.050 %	<= 0.050 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Manganese, Mn	1.0 - 3.0 %	1.0 - 3.0 %
Nickel, Ni	<= 0.050 %	<= 0.050 %
Phosphorus, P	0.10 - 0.30 %	0.10 - 0.30 %
Silicon, Si	<= 0.050 %	<= 0.050 %
Tin, Sn	<= 0.050 %	<= 0.050 %
Zinc, Zn	26.5 - 33.9 %	26.5 - 33.9 %	As Balance

References for this datasheet.

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MC66710x1 / 292287

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