How To Clean Alloy For Welding. Keep the joint dry. The electrolytic weld cleaning machines typically use dilute phosphoric acid citric acid is also used to passivate stainless and works better when heat andor leccy are used.
Strike a clean welding electrode around an inch from the start of your weld then quickly move it over to the point where you want to start welding. A stainless steel wire brush is sufficient to remove the oxide and leave a clean surface. The edges of the aluminuim should be cleaned with a file.
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If its dirty or oxidised use a dedicated stainless-steel wire brush. However to achieve this objective Part I For the welder Table 1 Nickel alloys by group. Contact our experts now. Stocks in huge qty.