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Welding to cast aluminum

Aluminum is a unique metal that we regularly use around us. Aluminum is everywhere around us, from soda cans to aircraft that fly us to our destinations. A certain type of aluminum, is "cast aluminum. This specific aluminum is crucial because it made into parts for cars, such as engine blocks and transmission cases. Welding cast aluminum is always a challenge, but if you know what you are doing, you can do some great looking work! You will find out what aluminium casting actually is and how to properly weld it, and what are the most common issues that people experience when Moldie welding cast aluminum in this text. 

Cast aluminum differs from other forms of aluminum in its fabrication. In Cast Aluminum, a hot, melted aluminum is poured into a Special Shape called mold and allowed to cool down. Instead this process creates a material with tiny holes in it, making things tricky when we attempt to weld it. Moreover, cast aluminum is more malleable compared to other types of aluminum. Because it is softer, it can more easily be bent or deformed when heated in the welding process.

Tips and tricks for achieving a strong weld on cast aluminum

The right method for welding cast aluminum is crucial for making a successful weld. The most suitable welding process utilized for Moldie cast aluminum is TIG welding. This method gives you better control of the heat, which is important because too much heat may lead to aluminum bending or warping. A related consideration is the right type of filler material. The filler material must melt at a lower temperature than aluminum we're welding. As a general rule, the better the filler metal is, the lower the melting point, meaning a filler material with a melting point 10% lower than the melting point of the cast aluminum is ideal. This way of welding helps to produce stronger welds.  

Cleaning the surface or the metal properly is essential before we perform welding on aluminum metal casting. This ensures a strong and durable weld that won’t suffer from contamination. If we do not clean the surface thoroughly, it can result in poor welds. We need to remove any rust or oxidation that may have developed on the surface, too. You can use a wire brush or sandpaper to do this as it helps the surface to become smooth and prepare for welding.

Why choose moldie Welding to cast aluminum?

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