Copper, UNS C43400, OSO15 Temper

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Copper, UNS C43400, OSO15 Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability. Fabricated by blanking, drawing, bonding, forming, stamping and shearing. Applications: electrical switch parts, blades, relay springs, contacts. Available as flat products.
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Physical Properties	Original Value	Comments

Density	8.75 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	70
Hardness, Rockwell 30T	30
Tensile Strength, Ultimate	330 MPa
Tensile Strength, Yield	115 MPa @Strain 0.5 %
Elongation at Break	47 %	In 50 mm
Modulus of Elasticity	110 GPa	Hard
Poissons Ratio	0.38	calculated
Machinability	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	40.0 GPa
Shear Strength	255 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000560 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	18.9 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	137 W/m-K @Temperature 20.0 °C
Melting Point	990 - 1020 °C
Solidus	990 °C
Liquidus	1020 °C
Annealing Point	800 - 1250 °F

Processing Properties	Original Value	Comments
Annealing Temperature	425 - 675 °C
Hot-Working Temperature	815 - 870 °C

Component Elements Properties	Original Value	Comments
Copper, Cu	84 - 87 %
Iron, Fe	<= 0.050 %
Lead, Pb	<= 0.050 %
Tin, Sn	0.40 - 1.0 %
Zinc, Zn	14.3 %

References for this datasheet.

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MC43400b4 / 11347

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