Aperam CuNi 44 Resistant Alloys Copper-Nickel Alloys

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Aperam CuNi 44 Resistant Alloys Copper-Nickel Alloys
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	CuNi 44 presents the particularity to have a very low temperature coefficient, which makes it particularly interessant during its utilization in precision measurement testers. This is a very malleable, very ductile alloy, which presents a very good resistance to oxidation. CuNi 44 has also a very good solderability. Another field of application is manufacturing of thermocouples because it develops a high electromotive force (EMF) in association with others metals. Information provided by Aperam
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Physical Properties	Original Value	Comments

Density	8.90 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	120
Tensile Strength	500 MPa
Tensile Strength, Yield	300 MPa
Elongation at Break	>= 25 %	on 100 mm

Electrical Properties	Original Value	Comments
Volume Resistivity	0.000049 ohm-cm	Temperature coefficient = 0.000020/°C to 0.000060/°C from 20 - 100°C

Thermal Properties	Original Value	Comments
CTE, linear	14.0 µm/m-°C @Temperature 20.0 - 1000 °C
Thermal Conductivity	21.1 W/m-K @Temperature 120 °C
Melting Point	1210 °C
Maximum Service Temperature, Air	600 °C

Component Elements Properties	Original Value	Comments
Copper, Cu	56 %
Nickel, Ni	44 %

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NPERA093 / 194882

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