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
Berkenhoff GmbH (headquarters)
- Kinzenbach plant
- Berkenhoffstrasse 14
- 35452 Heuchelheim
- Germany
- +49 641 601 0
- +49 641 601 222
- info(at)bedra.com
Berkenhoff GmbH
- Merkenbach plant
- Rehmühle 1
- 35745 Herborn
- Germany
- +49 2772 5002 0
- +49 2772 5002 155
- info(at)bedra.com
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