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Elmet Technologies

UNS C87610, Copper Casting Alloy
Categories: Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes: Applications: bearings, belts, Impellers, pump and valve components, marine fittings, corrosion-resistant casting.

<>Typical data for as-sand-cast separately cast test bars (M01 temper).
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Physical PropertiesMetricEnglishComments
Density 8.40 g/cc0.303 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 8585500 kg, typical
Tensile Strength, Ultimate 380 MPa55100 psi
Tensile Strength, Yield 170 MPa
@Strain 0.5 %		24700 psi
@Strain 0.5 %
Elongation at Break 30 %30 %in 50 mm
Modulus of Elasticity 105 GPa15200 ksi
Compressive Strength 125 MPa18100 psiat 0.001 mm/mm set
 415 MPa60200 psiat 0.01 mm/mm
Machinability 40 %40 %UNS C36000 (free-cutting brass) = 100%
Shear Strength 193 MPa28000 psiTypical
Izod Impact 45.0 J33.2 ft-lb
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000028735 ohm-cm
@Temperature 20.0 °C		0.000028735 ohm-cm
@Temperature 68.0 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 19.8 µm/m-°C
@Temperature 20.0 - 300 °C		11.0 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.376 J/g-°C0.0899 BTU/lb-°F
Thermal Conductivity 2.36 W/m-K16.4 BTU-in/hr-ft²-°F
Melting Point 821 - 971 °C1510 - 1780 °F
Solidus 821 °C1510 °F
Liquidus 971 °C1780 °F
Shrinkage 2.1 %2.1 %Patternmaker's Shrinkage (1/4 in./ft.)
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 260 °C500 °FStress-Relieving Temperature
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu >= 90 %>= 90 %
Iron, Fe <= 0.20 %<= 0.20 %
Lead, Pb <= 0.20 %<= 0.20 %
Manganese, Mn <= 0.25 %<= 0.25 %
Other, total <= 0.50 %<= 0.50 %
Silicon, Si 3.0 - 5.0 %3.0 - 5.0 %
Zinc, Zn 3.0 - 5.0 %3.0 - 5.0 %

References for this datasheet.

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MC87610b1 / 11923




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