Beryllium Copper, UNS C17000

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Beryllium Copper, UNS C17000
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability; good hot formability. Commonly fabricated by blanking, forming and bending, turning, drilling, tapping. Applications: bellows, bourdon tubing, diaphragms, fuse clips, fasteners, lock-washers, springs, switch parts, roll pins, valves, welding equipment. Available as flat products, rod.
Key Words:	BeCu; 165 Alloy
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Physical Properties	Original Value	Comments

Density	8.26 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	483 - 810 MPa
Tensile Strength, Yield	221 - 1172 MPa	Depending on temper
Elongation at Break	45 %	in 76.2 mm.
Modulus of Elasticity	115 GPa
Poissons Ratio	0.30
Machinability	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	50.0 GPa

Thermal Properties	Original Value	Comments
CTE, linear	16.7 µm/m-°C @Temperature 20.0 - 100 °C
	17.3 µm/m-°C @Temperature 20.0 - 200 °C
	17.8 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	118 W/m-K @Temperature 20.0 °C
Melting Point	865 - 980 °C
Solidus	865 °C
Liquidus	980 °C

Component Elements Properties	Original Value	Comments
Beryllium, Be	1.6 - 1.79 %
Co + Ni	>= 0.20 %
Co + Ni + Fe	<= 0.60 %
Copper, Cu	98.1 %

References for this datasheet.

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MC17000b1 / 10720

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