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Coated electrodes for surfacing

Found 12 items
Found 12 items

The group of electrodes for surfacing includes grades intended for manual arc surfacing of surface layers with special properties, which are manufactured in accordance with the requirements of GOST 9466-75 and GOST 10051-75. Electrode hardening is a common way to protect parts from various types of wear, and is used both in the restoration of worn-out parts and in the manufacture of new parts. The necessary properties of the parts give the wear-resistant reinforcing layers of metal applied to their working surfaces, providing the necessary wear resistance. In industry, in the application of reinforcing layers, the most widespread is the method of welding with T-590 and T-620 electrodes. In this case, a highly solid structure consisting of a solid solution of carbide eutectic in the deposited metal is provided by alloying elements - carbon, chromium, titanium and boron, as well as carbides based on them. These electrodes: have high resistance to abrasive wear; high thermal and corrosion resistance; at the same time low impact wear resistance. It is recommended that they deposit hard-wearing parts that are not exposed to significant shock loads during operation, since the deposited metal has increased fragility and a tendency to crack.