Pure tungsten electrode -Ⅱ

Pure tungsten electrode is the earliest electrode used in arc welding technology.
TIG technology refers to the welding method under the function of protective gas-argon gas, that is to say, it is a technology that inlet the argon gas as a protective gas around the arc welding, isolate the air outside the welding areas to prevent the oxidation of welding material, which is also known as argon arc welding, can be used to weld metal hardware, stainless steel and other materials.

Arc welding refers to the process that using the heat generated by arc combustion (i.e., arc discharge) to make welding electrode (or welding wire) smelting with workpiece and condensation, then it will form the weld, and then a solid workpiece can be obtained, in industrial production, this method has the most wide application.

Pure tungsten electrode owns good conductivity, small thermal expansion coefficient, low resistance, low vapor pressure and high elastic modulus and other excellent performance.
Today, with the economic development, the world annual demand for the tungsten electrode is still in a growing trend. China's annual output of tungsten electrode has been growing steadily, accounting for about 3/4 of the world production of tungsten electrodes.



 

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