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 |
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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 |
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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 |
Heat treatment | non treated |
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Tensile strength (MPa) | 353 |
Elongation (%) | 45 |
Brinell hardness (HB 2,5/62,5) | 84 |
Notched bar impact test (Av (J)) | 161 |
Make-up | Weight/Length | Dimension |
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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 |