Ampco Metal AMPCOLOY® 91 Beryllium Copper, Extrusion >35mm

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Ampco Metal AMPCOLOY® 91 Beryllium Copper, Extrusion >35mm
Categories:	Metal; Nonferrous Metal; Beryllium Alloy; Copper Alloy
Material Notes:	Applications: AMPCOLOY 91 is principally used for spot welding electrodes, electrode holders and seam welding discs for stainless steel, Monel and nickel alloys, flash welding dies, electrodes for mesh welding, plunger tips in aluminium die casting machines, and parts for injection molding of plastic wherever a high thermal conductivity is desirable.
Key Words:	CDA C17510; RWMA Class 3; DIN 17666 W. Nr. 2.1285; EN CW 104C Typ A3/1; ISO NFA 82100; F AFNOR UK2Be; BG BS
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Physical Properties	Original Value	Comments

Density	8.75 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	250	HBW 10/3000
Hardness, Rockwell C	96
Tensile Strength, Ultimate	723 MPa
Tensile Strength, Yield	517 MPa @Strain 0.5 %
Elongation at Break	17 %
Modulus of Elasticity	130 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000333 ohm-cm	52% IACS

Thermal Properties	Original Value	Comments
CTE, linear	17.0 µm/m-°C
Specific Heat Capacity	0.420 J/g-°C
Thermal Conductivity	208 W/m-K

Component Elements Properties	Original Value	Comments
Beryllium, Be	0.50 %
Co + Ni	2.4 %
Copper, Cu	96.6 - 97.1 %	As Balance
Other, total	<= 0.50 %

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NAMPCO39C / 161575

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