Gas Welding Aluminum Flux. Then take small glass vial and put there a small amount of the flux about a grain of black pepper size. The flux works ok but the operating window is tight.
Use a small paint brush and apply the flux paste on the aluminum surface. It was originally formulated for welding 5052 so it enables a very fluid weld with fine ringlets and great penetration. You can absolutely gmaw aluminum with a simple cv dc power source with arar-he shielding gas including small 110v mig machines.
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Many many moons ago 197885 I was taught to gas weld aluminium and sif-bronze fluxes were used exclusively. Trying to weld without a inert shielding gas will create a weld full of aluminum oxides and gas porosity. Many many moons ago 197885 I was taught to gas weld aluminium and sif-bronze fluxes were used exclusively. The bubbles escape from the melt and the gas is then removed by.