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Home > welding alloys > cleanup work before welding aluminum welding
cleanup work before welding aluminum welding
2013-09-02 by xiugai
cleanup work before welding aluminum weldingWelding aluminum requires the cleanest preparatory work, otherwise its corrosion resistance decreased, but prone to porosity. Welding aluminum welding steel habits should be completely separate. Welded steel tools have been used, the use of non-welded Gas Shielded Welding Wire aluminum. Trimming region oxide film impurities, try to use stainless steel brush or cleaned with acetone. Grinding wheel can not be used, because the use of grinding wheel will only make the surface oxide film is fused in the welding consumables, without actually removing. If the wheel and rigid, one of the impurities
Will enter the weld, causing thermal cracking. Further, since the Al2O3 film in a very short period of time will regenerate and stacked, the oxide film in order to influence as little as possible weld should be cleaned immediately after welding.

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