Abral 12Si
Aluminium electrode with 12% Si
Description & applications
Aluminium electrode with 12% Si for welding and repairing aluminium or aluminium alloy pieces (AlSi, AlCuSiMn, AlSiMg). Specially designed for welding cast or extruded aluminium alloys with Si-levels higher than 7%. Dissimilar joints between aluminium and aluminium alloys.
Main applications: Engine blocks, cylinder heads, tanks, containers, frames, lorry tipper.
Main applications: Engine blocks, cylinder heads, tanks, containers, frames, lorry tipper.
| DIN | Material N° |
|
G-AlSi9Mg |
3.2373 |
|
G-AlSi10Mg |
3.2381 |
|
G-AlSi10MgCu |
3.2383 |
|
G-AlSi12 |
3.2581 |
|
G-AlSi12Cu |
3.2583 |
Classification
| AWS A5.3 | UNS | DIN 1732 | Werkstoff Nr. |
|---|---|---|---|
| “E4047” | A94047 | EL-AlSi12 | 3.2585 |
Typical weld metal composition (%)
| Si | Mn | Fe | Al |
|---|---|---|---|
| 12.0 | <0.5 | <0.5 | Rest |
All weld metal mechanical properties
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Hardness |
|---|---|---|---|
| 180 | 80 | >5 | ~50HB |
Packaging data
| Dimension | 2.5x350 | 3.2x350 | 4.0x350 |
|---|---|---|---|
| Electr. / packet | - | - | - |
| Electr. / carton | - | - | - |
| Kg 1000 electr. | - | - | - |
| Packets / carton | 4 | 4 | 4 |
| Kg / packet | 2 | 2 | 2 |
| Kg / carton | 8 | 8 | 8 |
Amperes
| A | 60 | 90 | 120 |
|---|
Welding Instructions
Clean the weld zone; preheat massive pieces (more than 6mm of thickness) to 150-250°C. In order to avoid all risks of porosity, weld with a short arc and guide the electrode at 90° to the piece to be welded. Use a fast travel speed, remove slag between passes and when finished.
Warning! Aluminium electrodes are very sensitive to humidity pick-up; therefore keep the opened tins in a dry place. In case of humidity pick-up dry the electrodes 3h/100°C.
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