6061, 6063, 3a21 aluminum alloy - welding …
2020-2-13 · 6061, 6063, 3a21 aluminum alloy which is suitable for vacuum brazing. Share us: magnesium vapor reacts with residual oxygen and water in the furnace to purify, and magnesium vapor also inhibits the reoxidation of brazed aluminum alloy. The 4343 filler metal is suitable for brazing aluminum alloy base materials such as 1060, 1100 and 3A21