Ampco Metal AMPCOLOY® 89 Beryllium Copper, Extrusion

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Ampco Metal AMPCOLOY® 89 Beryllium Copper, Extrusion
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Applications: AMPCOLOY 89 is principally used for flash welding dies, welding wheels, electrodes for mesh welding, plunger tips in aluminium die casting machines, and components in molds for injection molding of plastic.
Key Words:	CDA C17510; RWMA Class 3; DIN 17666 W. Nr. 2.0850; DIN 17672 W. Nr. 2.0850; EN CW 110C Typ A3/1
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Physical Properties	Metric	English	Comments

Density	8.80 g/cc	0.318 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	230	230	HBW 10/3000
Hardness, Rockwell B	98	98
Tensile Strength, Ultimate	740 MPa	107000 psi
Tensile Strength, Yield	680 MPa @Strain 0.5 %	98600 psi @Strain 0.5 %
Elongation at Break	12 %	12 %
Modulus of Elasticity	135 GPa	19600 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000250 ohm-cm	0.00000250 ohm-cm	69% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	17.2 µm/m-°C	9.56 µin/in-°F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	300 W/m-K	2080 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Beryllium, Be	0.40 %	0.40 %
Co + Ni	<= 2.1 %	<= 2.1 %
Copper, Cu	97.1 - 97.8 %	97.1 - 97.8 %	As Balance
Other, total	<= 0.40 %	<= 0.40 %

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NAMPCO39A / 161572

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