Materion BrushForm® 158 Copper-Nickel-Tin Cold Rolled Strip (UNS C72900), EH (TD08)

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Materion BrushForm® 158 Copper-Nickel-Tin Cold Rolled Strip (UNS C72900), EH (TD08)
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	BrushForm® 158 Strip is a high-performance, heat treated spinodal copper nickel tin alloy designed to provide optimal formability and strength characteristics in conductive spring applications such as electronic connectors, switches, and sensors. Information supplied by Materion.
Key Words:	ASTM B740
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Physical Properties	Metric	English	Comments

Density	9.00 g/cc	0.325 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	275 - 350	275 - 350
Tensile Strength, Ultimate	825 - 1035 MPa	120000 - 150100 psi
Tensile Strength, Yield	690 - 895 MPa @Strain 0.2 %	100000 - 130000 psi @Strain 0.2 %
Elongation at Break	6.0 % @Thickness >=0.100 mm	6.0 % @Thickness >=0.00394 in
Modulus of Elasticity	144 GPa	20900 ksi
Poissons Ratio	0.30	0.30
Shear Modulus	55.4 GPa	8040 ksi	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000250 ohm-cm	0.0000250 ohm-cm
Magnetic Permeability	<= 1.01	<= 1.01

Thermal Properties	Metric	English	Comments
CTE, linear	16.4 µm/m-°C	9.11 µin/in-°F

Component Elements Properties	Metric	English	Comments
Copper, Cu	76 - 78 %	76 - 78 %	As Balance
Nickel, Ni	14.5 - 15.5 %	14.5 - 15.5 %
Tin, Sn	7.5 - 8.5 %	7.5 - 8.5 %

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NBB63432 / 192287

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