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Types of electrodes for welding aluminum alloys

Electric welding in most cases is the only and highest quality technology for obtaining inseparable aluminum structures. It is important to choose the right electrodes.

The most commonly used ones are

• Electrode brand OSANA. Used in inverter welding of aluminum structures. They are limited by diameters that don't exceed 3...3.5 mm;
• Non-consumable tungsten electrode. they have an extended size range, provide lower specific consumption;
• Aluminum wire: normal, and with surface coatings based on refractory compounds - chlorides and fluorides of alkali metals, used in welding with semi-automatic machine.

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Features of OZANA electrode application

Electrode OZANA is effectively used not only for welding aluminum alloys, but also for surfacing work. Joined parts before welding should be heated up, because pure aluminum and its alloys are characterized by high thermal conductivity. The weld is characterized by good resistance to corrosion phenomena, but welding should be carried out only with direct current of reverse polarity.

Silicon Aluminum

To weld siliconous aluminum, ductile only under hot deformation conditions, it is necessary to use electrodes of OZA series. The electrodes must be calcined before use. Tungsten nonconsumable electrodes should be used when welding aluminum uses argon, which covers the work area and increases the temperature in it to the values required for the formation of a solid weld.

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