Copper nickel 30%, UNS C71500, M20 Temper 25 mm plate

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Copper nickel 30%, UNS C71500, M20 Temper 25 mm plate
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: plate - 25mm thickness.
Key Words:	CDA 715 (70/30); 70-30 Cupronickel
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Physical Properties	Metric	English	Comments

Density	8.94 g/cc	0.323 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	36	36
Tensile Strength, Ultimate	380 MPa	55100 psi
Tensile Strength, Yield	140 MPa @Strain 0.5 %	20300 psi @Strain 0.5 %
Elongation at Break	45 %	45 %	In 50 mm
Modulus of Elasticity	150 GPa	21800 ksi
Poissons Ratio	0.32	0.32	Calculated
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	57.0 GPa	8270 ksi
Charpy Impact	107 J	78.9 ft-lb	Keyhole; temper not reported

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000375 ohm-cm @Temperature 20.0 °C	0.0000375 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C	9.00 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	29.0 W/m-K @Temperature 20.0 °C	201 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	29.2 W/m-K @Temperature 100 °C	203 BTU-in/hr-ft²-°F @Temperature 212 °F	Mill Annealed
	34.1 W/m-K @Temperature 200 °C	237 BTU-in/hr-ft²-°F @Temperature 392 °F	Mill Annealed
	38.6 W/m-K @Temperature 300 °C	268 BTU-in/hr-ft²-°F @Temperature 572 °F	Mill Annealed
	43.1 W/m-K @Temperature 400 °C	299 BTU-in/hr-ft²-°F @Temperature 752 °F	Mill Annealed
	48.1 W/m-K @Temperature 500 °C	334 BTU-in/hr-ft²-°F @Temperature 932 °F	Mill Annealed
	53.1 W/m-K @Temperature 600.0 °C	369 BTU-in/hr-ft²-°F @Temperature 1112 °F	Mill Annealed
	58.1 W/m-K @Temperature 700.0 °C	403 BTU-in/hr-ft²-°F @Temperature 1292 °F	Mill Annealed
Melting Point	1170 - 1240 °C	2140 - 2260 °F
Solidus	1170 °C	2140 °F
Liquidus	1240 °C	2260 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	650 - 825 °C	1200 - 1520 °F
Hot-Working Temperature	925 - 1050 °C	1700 - 1920 °F

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

References for this datasheet.

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