Not brazing. Gas welding. If you melt the parent metal, its welding. The first thing he does is melt the casting at about 3:30. He's using the butt end of a common 6013 arc welding electrode as a tool to shape the weld puddle, and clear away slag and oxided aluminum. So he's working at temps higher than brazing, adding aluminum into the original casting, then building it up.
There is no filler added until about 5:00. All the work prior to that was melting the aluminum of the cast part, and getting it ready to accept the filler.
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Very good
この溶接棒はどんな種類のものを使えばいいのですか？
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Пропан или ацетилен?
LPG is the best for Aluminium brazing ??
Not brazing. Gas welding. If you melt the parent metal, its welding. The first thing he does is melt the casting at about 3:30. He's using the butt end of a common 6013 arc welding electrode as a tool to shape the weld puddle, and clear away slag and oxided aluminum. So he's working at temps higher than brazing, adding aluminum into the original casting, then building it up.
There is no filler added until about 5:00. All the work prior to that was melting the aluminum of the cast part, and getting it ready to accept the filler.
Y conque varilla soldas bobo?