bercoweld® A52 is made of CuAl alloys, like Al bronze with 5-6% Al, copper and copper alloys. Very suitable for hard soldering and welding galvanized steels. Very good corrosion and wear resistance. Preheating is recommended for large workpieces.
| ISO 24373 | CuAl5Ni2Mn Cu6061 |
|---|---|
| Cu | balance |
| Al | 4,5 - 5,0 |
| Ni | 1,6 – 2,0 |
| Mn | 0,1 – 0,5 |
| Others | max. 0,5 |
| Density (kg/dm³) | 8,2 |
|---|---|
| Melting range (°C) | 1060-1085 |
| Thermal conductivity (W / m x K) | 61 |
| Coefficient of linear mean expansion (10-6/K) | 17,5 |
| Electrical conductivity (m / Ω x mm²) | 8,0-8,8 |
| Resistivity (Ω x mm² /m) | 0,114-0,125 |
| 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 |
