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May 7, 2022
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Soldering aluminum rods with Aliexpress. How reliable?

Soldering aluminum rods with Aliexpress How reliable

In the vastness of our beloved Chinese marketplace, you can find many amazing innovations. One of which are universal, low-temperature, welding rods for soldering various metals: copper, aluminum, steel, etc. There are a lot of different reviews on this topic on video hosting sites. But are these welding rods really that good? Let’s run some tests.

If you want to purchase, here is a link to get a discount – http://alii.pub/6bq7zz

Soldering aluminum rods with Aliexpress How reliable

How to solder with a low temperature welding rod

For work related to their melting, both a simple gas burner and an ordinary household soldering iron are suitable. We will test the possibilities of this method of soldering with the help of special rods on several aluminum blanks using both sources of thermal energy.

Let’s start with the process of soldering several holes of different diameters in a 40×2 mm aluminum plate. Before soldering, carefully remove the oxide film from the surface of the workpiece, for example, with sandpaper, although, according to the instructions for use, this operation is not necessary.

Soldering aluminum rods with Aliexpress How reliable

First, we heat the plate material in the soldering area with a gas burner flame. To do this, we use an ordinary gas burner. Then we melt the tip of the rod, solder the holes in the plate and leave the solder for a while to cool and harden.

Soldering aluminum rods with Aliexpress How reliable

Soldering aluminum rods with Aliexpress How reliable
Soldering aluminum rods with Aliexpress How reliable

A partially melted rod should be handled with care: it tends to spontaneously heat up and melt with the release of a large amount of heat. Also, in this case, an unknown gas with a very unpleasant odor is formed, so soldering with them must be carried out outdoors or in a well-ventilated room with natural or artificial ventilation.

Soldering aluminum rods with Aliexpress How reliable

Let’s try to solder a fragment cut out of an aluminum can with a soldering iron using the above rods. To do this, we make an incision in it with the tip of a knife and melt the rod.

Soldering aluminum rods with Aliexpress How reliable

We repeat the same operation with regard to the cut made by the grinder in the aluminum plate. In this case, heating is sequentially carried out first with a soldering iron, and then completed with a gas burner.

Soldering aluminum rods with Aliexpress How reliable

What result?

Mechanical deformation even with the fingers of the place of soldering a fragment of an aluminum can shows not very encouraging results. The instructions for the use of the rods note that soldering with these rods can be easily processed with a hand file and even cut and trimmed with a simple knife.

Soldering aluminum rods with Aliexpress How reliable
Soldering aluminum rods with Aliexpress How reliable
Soldering aluminum rods with Aliexpress How reliable

Probably, soldering with special rods is not suitable for dishes that are put on fire, moreover, it is not suitable for soldering car and other radiators. Its scope is limited to aluminum buckets and other containers for storing and carrying non-hot liquids that are not under pressure.

You can order such rods, and even at a discount, at the link – http://alii.pub/6bq7zz

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