CA 725

bedra electronic wire CA 725 out of a special alloy for various applications (ribbons, heating conductors / resistance wire, special cables, bobbins, connectors, etc.).

Standardization and composition

Norm CuNi9Sn2
DIN 17664
CDA UNS 725
Alloy composition Average values according to standard (%)
Cu balance
Sn 2.5
Ni 9.0
P 0.05
Mn 0.10
Others max. 0.5

Physical properties

Density (kg/dm³) 8.9
Melting range (°C) 1060 - 1129
E-Modulus (kN/mm²) 140
Thermal conductivity (W / m x K) 48
Coefficient of linear mean expansion (10-6/K) 15.8
Electric conductivity (m / Ω x mm²) 6.5
Electric conductivity (IACS %) ~ 11
Resistivity (Ω x mm² /m) 0.1538 - 0.1563

Further product information

Please contact me and my team

Ute Schmidt

Ute Schmidt

Electronic Wires Sales for Europe
bedra Germany

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

bedra Vietnam Alloy Material Co., Ltd

  • Lot CN-06, Hoa Phu Industrial Park,
    Mai Dinh Commune,
    Hiep Hoa District, Bac Giang Province,
    Vietnam
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