bercoweld® A300 is a high-strength welding wire, also spark-proof. Resistant to seawater, wear, and abrasion. Resistant to cavitation and erosion. Buildup and join welding on aluminum bronzes. Especially for ship propellers, slide rails, raceways, valve control housings.
ISO 24373 | CuMn13Al8Fe3Ni2 Cu6338 |
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Cu | balance |
AL | 7.00 - 8.50 |
Ni | 1.50 - 3.00 |
Fe | 2.00 - 4.00 |
Mn | 11.00 - 14.00 |
Others | max. 0.5 |
Density (kg/dm³) | 7.4 |
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Melting range (°C) | 945 - 985 |
Thermal conductivity (W / m x K) | 30 |
Coefficient of linear mean expansion (10-6/K) | 21.5 |
Electrical conductivity (m / Ω x mm²) | 3 - 5 |
Resistivity (Ω x mm² /m) | 0.20 - 0.333 |
Heat treatment | non treated |
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Tensile strength (MPa) | 900 |
Elongation (%) | 10 |
Brinell hardness (HB 2.5/62.5) | 290 |
Notched bar impact test (Av (J)) | 180 |
Make-up | Weight/Length | Dimension |
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SD300 / BS300 / K300 | 15 kg | 1.20 / 1.60 mm |