CuNi3Si

bedra electronic wire CuNi3Si out of a special alloy for various applications (ribbons, heating conductors / resistance wire, special cables, bobbins, connectors, etc.).

Standardization and composition

Norm CuNi3Si
DIN 17666
EN DIN 12166 CW 112C
Alloy composition Average values according to standard (%)
Cu balance
Ni 3.8
Si 1.0
Others max. 0.5

Physical properties

Density (kg/dm³) 8.8
Melting range (°C) 1030 - 1050
E-Modulus (kN/mm²) 143
Thermal conductivity (W / m x K) 59 - 120
Coefficient of linear mean expansion (10-6/K) 16.0
Electric conductivity (m / Ω x mm²) ausgehärtet 16 - 19
Electric conductivity (IACS %) ~ 27 - 32
Resistivity (Ω x mm² /m) 0.0952 - 0.1053

Further product information

Please contact me and my team

Ute Schmidt

Ute Schmidt

Electronic Wires Sales for Europe
bedra Germany

George Kelley

George Kelley

Sales Manager Welding & ELAS North America
bedra USA

Shawn Lv

Shawn Lv

Sales Manager ELAS Asia (without China)
bedra Hong Kong

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

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