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EN 1652 Grade CuNi10Fe1Mn – Premium Copper‑Nickel Alloy R320

CuNi10Fe1Mn (CW352H) is comparable to CuNi10Fe1Mn, mat. no. 2.0872, acc. to DIN 17664 : 1983-12. To the comparable DIN-mark applies: The material shows favorable specific strength values also at endurance loading and increased temperatures. Thermal conductivity of pure copper is strongly reduced by Ni, the electrical resistance strongly increases according to the Ni-content. Fe-addition increases the corrosion resistance. CuNi10Fe1Mn is resistant to seawater, alkaline saline solutions and non-oxidizing acids. warm forming: good cold forming: very good machinability: unfavorable hard soldering: very good soft soldering: very good gas-shielded welding: very good burnishing: good Application: For seawater pipilines, tubes and plates for all types of tubular heat-exchanger (condenser, cooler, seawater evaporators, high pressure feeder water heater) on ships, in power plants, seawater desalination plants, chemical and sugar factories.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.9 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-253.0 °C

153 GPa

-195.0 °C

148 GPa

-100.0 °C

142 GPa

20.0 °C

130 GPa

50.0 °C

129 GPa

100.0 °C

128 GPa

150.0 °C

127 GPa

200.0 °C

125 GPa

250.0 °C

122 GPa

300.0 °C

121 GPa

Elongation

20.0 °C

15 %

Elongation, transverse

20.0 °C

15 %

Hardness, Vickers

20.0 °C

110 [-]

Tensile strength

20.0 °C

320 MPa

Tensile strength, transverse

20.0 °C

320 MPa

Yield strength Rp0.2

20.0 °C

200 MPa

50.0 °C

200 MPa

100.0 °C

190 MPa

150.0 °C

185 MPa

200.0 °C

175 MPa

250.0 °C

170 MPa

300.0 °C

165 MPa

Yield strength Rp0.2, transverse

20.0 °C

200 MPa

50.0 °C

200 MPa

100.0 °C

190 MPa

150.0 °C

170 - 185 MPa

200.0 °C

165 - 175 MPa

250.0 °C

170 MPa

300.0 °C

165 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.4E-5 - 1.8E-5 1/K

Typical for Wrought Copper Nickel Grade

Melting point

915 - 1240 °C

Typical for Wrought Copper Nickel Grade

Specific heat capacity

20.0 °C

380 J/(kg·K)

Thermal conductivity

20.0 °C

50.2 W/(m·K)

Chemical properties

PropertyValue

Carbon

0.05 %

Cobalt

0.1 %

Iron

1 - 2 %

Lead

0.02 %

Manganese

0.5 - 1 %

Nickel

9 - 11 %

Phosphorus

0.02 %

Sulfur

0.05 %

Tin

0.03 %

Zinc

0.5 %


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