Скачать или смотреть This Propane Torch Trick Brazes Aluminum Perfectly Every Time!

Demonstration of how to braze aluminum--with weld strength.

First, you need a torch that can maintain even heat when brazing. The older style brass tips that come with some propane torches are fine for soft soldering. The torch shown in the video is used in most of our demonstrations. The torch can also be found on our website while supplies last.

All you really have to do is watch the powder flux turn into a liquid when hot enough. The flux is a temperature guide when soldering aluminum, as aluminum does not change color when heated like most metals.

If the rod balls up at the end, this means the base or parent metal is too cold. Shake the ball off and add more heat to the metal before depositing more rod. Every time you add rod, add flux.

Broadly heating the base metal is very important when welding, brazing, and soldering aluminum. Aluminum cools faster than almost any metal used in maintenance shops.

Here's a tip for working with flux: heat up the rod first before dipping it into the powder. If the flux doesn't stick, you can try dipping the rod in water first, then in the flux. But if there's already flux residue on the rod, just keep reapplying the flux without using water

Clean the flux off of the rod before placing it back into the PVC tube.

#AluminumWeldingTips #HowtoBrazeAluminum #TorchWeldingAluminum #3003AluminumWelding

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