Copper, UNS C19700, H04 Temper

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Copper, UNS C19700, H04 Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Excellent soldering and brazing. Excellent capacity for both cold and hot forming. Applications: Electrical and electronic connectors, circuit breaker components, fuse clips, cable shielding, and lead frames. Generally suited to applications requiring excellent formability combined with high strength and conductivity.
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Physical Properties	Original Value	Comments

Density	8.83 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	70
Tensile Strength, Ultimate	450 MPa
Tensile Strength, Yield	415 MPa	Strip
Elongation at Break	6.0 %	In 50 mm
Modulus of Elasticity	121 GPa
Machinability	20 %	UNS C36000 (free-cutting brass) = 100%

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000216 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	16.8 µm/m-°C @Temperature 20.0 - 100 °C
	17.8 µm/m-°C @Temperature 20.0 - 200 °C
	18.3 µm/m-°C @Temperature 20.0 - 300 °C
Thermal Conductivity	320 W/m-K
Melting Point	1069 - 1086 °C
Solidus	1069 °C
Liquidus	1086 °C

Processing Properties	Original Value	Comments
Annealing Temperature	450 - 600 °C
Hot-Working Temperature	750 - 950 °C

Component Elements Properties	Original Value	Comments
Cobalt, Co	<= 0.050 %
Copper, Cu	99.15 %
Iron, Fe	0.30 - 1.2 %
Lead, Pb	<= 0.050 %
Magnesium, Mg	0.010 - 0.20 %
Manganese, Mn	<= 0.050 %
Phosphorus, P	0.10 - 0.40 %
Tin, Sn	<= 0.20 %
Zinc, Zn	<= 0.20 %

References for this datasheet.

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MC19700b2 / 10975

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