Copper, UNS C43000, OSO35 Temper flat products

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Copper, UNS C43000, OSO35 Temper flat products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability. Fabricated by blanking, coining, forming and drawing, bending, heading, and upsetting. Applications: electrical switches, springs, terminals, connectors, fuse clips, pen clips, weather stripping. Test specimen: flat products - 1mm thickness.
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Physical Properties	Metric	English	Comments

Density	8.75 g/cc	0.316 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	30	30
Hardness, Rockwell F	69	69
Tensile Strength, Ultimate	315 MPa	45700 psi
Tensile Strength, Yield	125 MPa @Strain 0.5 %	18100 psi @Strain 0.5 %
Elongation at Break	55 %	55 %	In 50 mm
Modulus of Elasticity	110 GPa	16000 ksi	Hard
	119 GPa	17300 ksi	Annealed
Machinability	30 %	30 %	UNS C36000 (free-cutting brass) = 100%

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000640 ohm-cm @Temperature 20.0 °C	0.00000640 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	18.4 µm/m-°C @Temperature 20.0 - 100 °C	10.2 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	119 W/m-K	826 BTU-in/hr-ft²-°F
Melting Point	1000 - 1025 °C	1830 - 1877 °F
Solidus	1000 °C	1830 °F
Liquidus	1025 °C	1877 °F
Annealing Point	427 - 704 °C	800 - 1300 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 700 °C	797 - 1290 °F
Hot-Working Temperature	790 - 840 °C	1450 - 1540 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	84 - 87 %	84 - 87 %
Iron, Fe	<= 0.050 %	<= 0.050 %
Lead, Pb	<= 0.10 %	<= 0.10 %
Tin, Sn	1.7 - 2.7 %	1.7 - 2.7 %
Zinc, Zn	10.8 %	10.8 %

References for this datasheet.

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MC43000b2 / 11334

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