Bedra

bercoweld® K3

bercoweld®  K3 is a special copper wire for coated electrodes. Suitable for arc welding of copper as well as joining copper with steel, gray cast iron and Ni alloys from 3mm wall thickness. Especially suitable for large workpieces.

Pulsed power welding is recommended.

As a rule, preheating of the base material is not necessary.

Standardization and composition

ISO 24373 CuZ (CuP)
Cu balance
P 0,05 - 0,07

Physical properties

Density (kg/dm³) 8,9
Melting range (°C) ca. 1080
Thermal conductivity (W / m x K) 293-364
Coefficient of linear mean expansion (10-6/K) 17
Electric conductivity (m / Ω x mm²) 41-52
Resistivity (Ω x mm²) /m 0,0192-0,0244

Delivery options

Make-up Weight/Length Dimension
Drum / bedrabox 175 - 200 kg 0,80 - 1,60 mm
SD300 / BS300 / K300 12 - 15 kg 0,80 - 2,40 mm
H500 / H560 / H760 150 - 250 kg 0,80 - 2,40 mm
Coils 25 - 100 kg 1,60 - 6,00 mm
Rods 250 - 3000 mm 1,60 - 6,00 mm

Please contact me and my team

Ulrike Ogorzelski

Ulrike Ogorzelski

Welding Sales Manager

Berkenhoff GmbH (headquarters)

  • Kinzenbach plant
  • Berkenhoffstrasse 14
  • 35452 Heuchelheim
  • Germany

Berkenhoff GmbH

  • Merkenbach plant
  • Rehmühle 1
  • 35745 Herborn
  • Germany

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