bercoweld® B8

bercoweld®  B8 is used for build-up and join welding on CuSn alloys, CuSnZnPb cast alloys and cast iron. Preferred for oven soldering, good deoxidizing effect. Higher hardness values for coatings.

Standardization and composition

ISO 24373 CuSn8P Cu5210
Cu balance
Sn 7.60 - 8.00
P 0.05 - 0.10
Others max. 0.5

Physical properties

Density (kg/dm³) 8.8
Melting range (°C) 875 - 1025
Thermal conductivity (W / m x K) 67
Coefficient of linear mean expansion (10-6/K) 18.5
Electric conductivity (m / Ω x mm²) 6 - 8
Resistivity (Ω x mm² /m) 0.125 - 0.167

Mechanical properties of the weld joint (standard data)

Heat treatment non treated
Tensile strength (MPa) 260
Elongation (%) 20
Brinell hardness (HB 2.5/62.5) 80
Notched bar impact test (Av (J)) 32

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

Further product information

PDF Datasheet | EN PDF Datasheet | DE

Please contact me and my team

Ulrike Ogorzelski

Ulrike Ogorzelski

Sales Director Welding Europe
bedra Germany

bedraEDM
bedraWELDING
bedraELAS
Alloys from A to Z
bedra Vietnam

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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