Copper Alloy, UNS C44730, H10 Temper, Flat Products & Rod

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Copper Alloy, UNS C44730, H10 Temper, Flat Products & Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Extra Spring Fabrication Properties: Excellent Suitability – Brazing, Spot Weld; Good Suitability – Soldering, Oxyacetylene Welding, Butt Weld, Capacity for Being Cold Worked; Fair Suitability – Gas Shielded Arc Welding, Capacity for Being Hot Formed Typical Uses: Electrical Connectors – Automotive; Automotive Electronic Connectors; Conductors, Electrical and Thermal, High Strength
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Physical Properties	Metric	English	Comments

Density	8.53 g/cc	0.308 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	793 - 889 MPa	115000 - 129000 psi
	841 MPa	122000 psi	Typical
Tensile Strength, Yield	>= 731 MPa	>= 106000 psi	0.2% Offset
	772 MPa	112000 psi	0.2% Offset, Typical
Poissons Ratio	0.34	0.34
Machinability	40 %	40 %
Forgeability	75 %	75 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000820 ohm-cm	0.00000820 ohm-cm	21% IACS
Magnetic Permeability	1.0	1.0

Thermal Properties	Metric	English	Comments
Thermal Conductivity	9.65 W/m-K	67.0 BTU-in/hr-ft²-°F
Melting Point	927 - 971 °C	1700 - 1780 °F
Solidus	927 °C	1700 °F
Liquidus	971 °C	1780 °F

Component Elements Properties	Metric	English	Comments
Chromium, Cr	<= 0.70 %	<= 0.70 %
Copper, Cu	61.8 - 71.6 %	61.8 - 71.6 %	As Balance
Iron, Fe	<= 0.60 %	<= 0.60 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Magnesium, Mg	<= 0.40 %	<= 0.40 %
Manganese, Mn	<= 0.40 %	<= 0.40 %
Nickel, Ni	0.80 - 2.5 %	0.80 - 2.5 %
Phosphorus, P	<= 0.050 %	<= 0.050 %
Silicon, Si	0.10 - 0.60 %	0.10 - 0.60 %
Tin, Sn	0.50 - 1.5 %	0.50 - 1.5 %
Zinc, Zn	27 - 31 %	27 - 31 %
Zirconium, Zr	<= 0.40 %	<= 0.40 %

References for this datasheet.

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MC44730x6 / 292014

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