EN 12167 Grade CuNi2Si H150

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Description

CuNi2Si, mat. No CW111C, is counted among hardenable, low alloyed copper alloys. To the comparable make CuBNi2Si, mat. No 2.0855, acc. to DIN 17666 : 1983-12 applies: The material shows favorable electrical and thermal conductivity, corrosion resistance, high fatigue and creep resistance as well as favorable spring properties. CuNi2Si is in hardened condition resistant to stress corrosion. Temperature for removal of workhardening approximates 450°C. Strength still increases at low-temperature range. Processing properties: hot and cold forming: good machinability: moderately soft soldering: good hard soldering: moderately gas shielded welding: moderately burnishing: good Application: Particularly for aerial line material, such as clamps, mounting links, nuts, high-strength and corrosion resistant screws. Furthermore for wire ropes in electrical overhead line construction, bearing bushings, roller bearing cages, valve guide bushings and springs. For the electrolytically tinned strip the coatings (Sn bright, Sn matt, Sn fuzed, SnPb) are listed by the application (better solderability, better corrosion resistance, reduction of the electrical contact resistance, better appearance) in the DIN EN 14436 : 2004-11 (Table 5)

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Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.8 - 8.88 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

130 - 143 GPa

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Hardness, Brinell

20.0 °C

150 - 190 [-]

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Poisson's ratio

20.0 °C

0.34 [-]

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

300.0 °C

1.6E-5 1/K

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Specific heat capacity

20.0 °C

377 J/(kg·K)

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Thermal conductivity

20.0 °C

67 - 200 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.00E+7 - 2.60E+7 S/m

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Specific Electrical conductivity

34 - 45 % IACS

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Chemical properties

PropertyValue

Iron

0.2 %

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Lead

0.02 %

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Manganese

0.1 %

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Nickel

1.6 - 2.5 %

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Silicon

0.4 - 0.8 %

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