Copper nickel 30%, UNS C71500, O61 Temper 1 mm strip

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Copper nickel 30%, UNS C71500, O61 Temper 1 mm strip
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Excellent corrosion resistance. Good hot and cold workability. Fabricated by forming and bending, welding. Applications: condensers, condenser plates, distiller tubing, evaporator and heat exchanger tubing, ferrules, salt water piping. Test specimen: strip - 1mm thickness, annealed at 705°C.
Key Words:	CDA 715 (70/30); 70-30 Cupronickel
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Physical Properties	Original Value	Comments

Density	8.94 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	40
Tensile Strength, Ultimate	380 MPa
Tensile Strength, Yield	125 MPa @Strain 0.5 %
Elongation at Break	36 %	In 50 mm
Modulus of Elasticity	150 GPa
Poissons Ratio	0.32	Calculated
Fatigue Strength	150 MPa @# of Cycles 1.00e+8
Machinability	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	57.0 GPa
Charpy Impact	107 J	Keyhole; temper not reported

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000375 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	29.0 W/m-K @Temperature 20.0 °C
	29.2 W/m-K @Temperature 100 °C	Mill Annealed
	34.1 W/m-K @Temperature 200 °C	Mill Annealed
	38.6 W/m-K @Temperature 300 °C	Mill Annealed
	43.1 W/m-K @Temperature 400 °C	Mill Annealed
	48.1 W/m-K @Temperature 500 °C	Mill Annealed
	53.1 W/m-K @Temperature 600.0 °C	Mill Annealed
	58.1 W/m-K @Temperature 700.0 °C	Mill Annealed
Melting Point	1170 - 1240 °C
Solidus	1170 °C
Liquidus	1240 °C

Processing Properties	Original Value	Comments
Annealing Temperature	650 - 825 °C
Hot-Working Temperature	925 - 1050 °C

Component Elements Properties	Original Value	Comments
Copper, Cu	70 %
Iron, Fe	0.40 - 0.70 %
Lead, Pb	<= 0.050 %
Manganese, Mn	<= 1.0 %
Nickel, Ni	29 - 33 %
Other, total	<= 0.50 %
Zinc, Zn	<= 1.0 %

References for this datasheet.

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MC71500b3 / 11746

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