Argon welding - a modern method of working with metals

Many people are aware of the gas and electricwelding. Recently, they were replaced by a more perfect method of working with various metals. It is called "argon welding". What distinguishes it from other methods of welding?

Welding with argonThe basis of the argon burner is non-meltingat the highest temperatures a tungsten electrode. The choice of this particular material is due to its refractoriness. Around it there is a ceramic nozzle. During welding, argon is blown through it, which is an inert gas. The presence of this gas during operation is explained by the fact that when exposed to certain types of metal, for example, aluminum, argon welding allows them to be kept from burning, crackling and crusting. It is this inert gas that protects the welding places from the presence of air, in which all of the above problems occur.

What is the process of work itself? Welding with argon begins from the moment when the so-called "mass" is fed to the processing site (this is similar to electric welding). With the right hand, the welder holds the burner through which gas is fed, and the left hand - a special filler wire. Each metal requires the presence of "its" wire. For example, when welding aluminum, a material is taken from its alloys.Welding of stainless steel with argon

The burner is equipped with a special button, whichthe supply of gas and electric current is activated. Between the electrode and the metal an electric arc is formed, playing the role of the main tool. It is she who melts the filler wire and part. If the thickness of the parts to be welded is small, the additive may not be used. Despite its apparent simplicity, argon welding requires a lot of experience from the welder. From the skill and attention of a high-class specialist, the quality of the joint weld and the functionality of the products to be restored depend.

Argon welding is used not only during operationwith aluminum. It can "cook" steel, stainless steel, copper, cast iron, silver, gold. Of particular interest is working with the most common materials in industry and everyday life. The welding of stainless steel with argon has become very popular. It is much more reliable than soldering, since the seams and overlaps produced are welded qualitatively, practically making up one whole with any product. This is a rather laborious process, requiring special training, modern equipment and quality material.Welding of cast iron with argon

Ultimately, the strength andtightness, and the period of use of the product increases. Welding with argon of stainless steel causes the formation of an oxide porous layer (the main component of which is chrome), which significantly weakens the metal and causes its corrosion. In order not to break the seam, after the welding is carried out its additional processing.

Cast iron is a material that changes its structure whenheating, so the quality of its welding is quite difficult. When working with it, it is necessary to use special fluxes and rods, which are made of graphite materials. Welding cast iron with argon allows you to make a seam that is close to its properties to the alloy itself.



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