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EN 1652 Grade CuNi30Mn1Fe R350 – High-Strength, Corrosion-Resistant Copper Alloy

CuNi30Mn1Fe (CW354H) is comparable to CuNi30Mn1Fe, mat. no. 2.0882, 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. CuNi30Mn1Fe is resistant to water and seawater, coolant and solvent, alkaline substances, alkaline saline solutions and non-oxidizing acids. warm forming: good cold forming: good machinability: moderately 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, in petroleum processing an in chemical factories as well as in saltern plants. The material is established for condenser in ammoniac steam.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.9 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-253.0 °C

161 GPa

-195.0 °C

158 GPa

-100.0 °C

155 GPa

20.0 °C

150 GPa

50.0 °C

150 GPa

100.0 °C

149 GPa

150.0 °C

148 GPa

200.0 °C

146 GPa

250.0 °C

144 GPa

300.0 °C

142 GPa

350.0 °C

141 GPa

Elongation

20.0 °C

35 %

Elongation, transverse

20.0 °C

35 %

Tensile strength

20.0 °C

350 - 420 MPa

Tensile strength, transverse

20.0 °C

350 MPa

Yield strength Rp0.2

20.0 °C

120 MPa

Yield strength Rp0.2, transverse

20.0 °C

150 MPa

Yield strength Rp1.0

50.0 °C

175 MPa

100.0 °C

163 MPa

150.0 °C

158 MPa

200.0 °C

153 MPa

250.0 °C

148 MPa

300.0 °C

143 MPa

350.0 °C

138 MPa

Yield strength Rp1.0, transverse

20.0 °C

140 MPa

50.0 °C

175 MPa

100.0 °C

163 MPa

150.0 °C

148 - 158 MPa

200.0 °C

138 - 153 MPa

250.0 °C

148 MPa

300.0 °C

143 MPa

350.0 °C

138 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

300.0 °C

1.6E-5 1/K

Melting point

915 - 1240 °C

Typical for Wrought Copper Nickel Grade

Specific heat capacity

23.0 °C

375 - 398 J/(kg·K)

Typical for Wrought Copper Nickel Grade

Thermal conductivity

20.0 °C

29 W/(m·K)

Chemical properties

PropertyValue

Carbon

0.05 %

Cobalt

0.1 %

Iron

0.4 - 1 %

Lead

0.02 %

Manganese

0.5 - 1.5 %

Nickel

30 - 32 %

Phosphorus

0.02 %

Sulfur

0.05 %

Tin

0.05 %

Zinc

0.5 %


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