Materion Copper Beryllium Alloy 165 Mill Hardened Strip ¼ HM (TM01) (UNS C17000)

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Materion Copper Beryllium Alloy 165 Mill Hardened Strip ¼ HM (TM01) (UNS C17000)
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Alloy 165 strip provides strength and conductivity close to Alloy 190 strip, with slightly less beryllium. This alloy features excellent stress relaxation resistance and high fatigue strength. Typical applications include high reliability spring contacts for switches and relays, battery contacts and automotive terminals. Information provided by Materion.
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Physical Properties	Metric	English	Comments

Density	8.41 g/cc	0.304 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	230 - 271	230 - 271	DPH Hardness
Tensile Strength, Ultimate	758 - 827 MPa	110000 - 120000 psi
Tensile Strength, Yield	552 - 758 MPa @Strain 0.200 %	80000 - 110000 psi @Strain 0.200 %
Elongation at Break	15.0 - 25.0 %	15.0 - 25.0 %
Modulus of Elasticity	131 GPa	19000 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000520 - 0.00000960 ohm-cm	0.00000520 - 0.00000960 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	17.5 µm/m-°C	9.70 µin/in-°F
Thermal Conductivity	105 W/m-K	729 BTU-in/hr-ft²-°F
Melting Point	870 °C	1600 °F

Component Elements Properties	Metric	English	Comments
Beryllium, Be	1.60 - 1.85 %	1.60 - 1.85 %
Co + Ni	>= 0.200 %	>= 0.200 %
Co + Ni + Fe	<= 0.600 %	<= 0.600 %
Copper, Cu	97.55 - 98.2 %	97.55 - 98.2 %

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NBB442vb / 323469

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