Ampco Metal AMPCOLOY® 95 Cobalt-Copper Alloy, Extrusion,

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Ampco Metal AMPCOLOY® 95 Cobalt-Copper Alloy, Extrusion, < 50.8 mm.
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Applications: AMPCOLOY 95 finds its own applications due to its slightly higher mechanical properties. AMPCOLOY 95 is principally used for spot welding electrodes, electrodes for mesh welding, electrode holders and seam welding discs for stainless steel, Monel and nickel alloys, flash welding dies, plunger tips in aluminum high pressure die casting machines and parts for injection molding of plastic wherever a high thermal conductivity is desirable.
Key Words:	CDA C17500; RWMA Class 3; ISO NFA 82100; EN CW 103C Typ A3/1; DIN 17666 W. Nr. 2.1285; AFNOR UK2Be
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Physical Properties	Metric	English	Comments

Density	8.75 g/cc	0.316 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	240	240	HB 30
Hardness, Rockwell B	100	100
Tensile Strength, Ultimate	900 MPa	131000 psi
Tensile Strength, Yield	550 MPa @Strain 0.5 %	79800 psi @Strain 0.5 %
Elongation at Break	10 %	10 %
Modulus of Elasticity	130 GPa	18900 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000333 ohm-cm	0.00000333 ohm-cm	52% I.A.C.S.

Thermal Properties	Metric	English	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 °C	9.44 µin/in-°F @Temperature 68.0 °F
Specific Heat Capacity	0.420 J/g-°C	0.100 BTU/lb-°F
Thermal Conductivity	208 W/m-K	1440 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Beryllium, Be	0.50 %	0.50 %
Co + Ni	2.0 %	2.0 %
Copper, Cu	97 - 97.5 %	97 - 97.5 %	As Balance
Other, total	<= 0.50 %	<= 0.50 %

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NAMPCO44 / 14998

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