Copper, UNS C43400, H02 Temper

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Copper, UNS C43400, H02 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	Metric	English	Comments

Density	8.75 g/cc	0.316 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	66	66
Hardness, Rockwell 30T	63	63
Tensile Strength, Ultimate	405 MPa	58700 psi
Tensile Strength, Yield	350 MPa @Strain 0.5 %	50800 psi @Strain 0.5 %
Elongation at Break	18 %	18 %	In 50 mm
Modulus of Elasticity	110 GPa	16000 ksi	Hard
Poissons Ratio	0.38	0.38	calculated
Machinability	30 %	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	40.0 GPa	5800 ksi
Shear Strength	290 MPa	42100 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000560 ohm-cm @Temperature 20.0 °C	0.00000560 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	18.9 µm/m-°C @Temperature 20.0 - 300 °C	10.5 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	137 W/m-K @Temperature 20.0 °C	951 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	990 - 1020 °C	1810 - 1870 °F
Solidus	990 °C	1810 °F
Liquidus	1020 °C	1870 °F
Annealing Point	427 - 677 °C	800 - 1250 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 675 °C	797 - 1250 °F
Hot-Working Temperature	815 - 870 °C	1500 - 1600 °F

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

References for this datasheet.

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MC43400b6 / 11349

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