Bedra

bercoweld® B12

The high-alloy CuSn alloy bercoweld®  B12 is suitable for all welding processes. The weld metal achieves high hardness corresponding to a cast bronze, so it’s used for particularly wear-resistant coatings as well as for join welding and repairs on bronzes. Very suitable for oven soldering.

Standardization and composition

ISO 24373 CuSn12P Cu5410
Cu balance
Sn 12,00-13,00
P 0,15-0,25
Others max. 0,5

Physical properties

Density (kg/dm³) 8,6
Melting range (°C) 825-990
Thermal conductivity (W / m x K) 40-50
Coefficient of linear mean expansion (10-6/K) 18,5
Electric conductivity (m / Ω x mm²) 3-5
Resistivity (Ω x mm² /m) 0,20-0,333

Delivery options

Make-up Weight/Length
Drum / bedrabox 175 - 200 kg
SD300 / BS300 / K300 12 - 15 kg
H500 / H560 / H760 150 - 250 kg
Coils 25 - 100 kg
Rods 250 - 3000 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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