Tips for Basic Filler Metal selection along with some resources for filler metal selection.
Aluminum filler metal chart from Aloctech http://alcotec.com/us/en/support/upload/Aluminum_Filler_Alloy_Selection_Chart.pdf
Washington Alloys Stainless Filler metal chart https://washingtonalloy.com/wp-content/uploads/2020/12/stainless-selector-guide.pdf
The Electrode Positive part of the AC arc is what breaks up the aluminum oxide layer on aluminum and allows the puddle to be clean and flow out well.
so let that cleaning action work for you before puddling dirty aluminum.
In other words...Dont puddle too quickly
This video deals with some of the most common mistakes when welding aluminum Tee joints and other aluminum fillet welds.
In Brad Goodman's video on full penetration aluminum he used a Miller Dynasty that has all the features like waveforms and amplitude settings.
A member commented that he would like to see a similar video using a much simpler machine like the CK MT200.
I used a #5 clear cup (they film better) with...
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