bedra electronic wire Cu-OF out of copper material for various applications (ribbons, heating conductors / resistance wire, special cables, bobbins, connectors, etc.).

Standard designation and composition

Norm Cu-OF1
DIN 1787
EN DIN 12166 CW 007A
Alloy composition Average values according to standard (%)
Cu min. 99.95

Physical properties

Density (kg/dm³) 8.9
Melting range (°C) 1083
E-Modulus (kN/mm²) 125
Thermal conductivity (W / m x K) 393
Coefficient of linear mean expansion (10-6/K) 17.0
Electric conductivity (m / Ω x mm²) > 59
Electric conductivity (IACS %) > 101.7
Resistivity (Ω x mm² /m) 0.017

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

Follow us