Tools, hardware, electrodes
On the concept of fasteners include the concept of hardware (they are the same - metal products) are no more than a standardized metal products a huge variety of the nomenclature used almost everywhere. Conventionally, the steel wire can be attributed to their derivatives such as nails of various configurations, ropes and cables, different grid welding electrodes, etc, fasteners, namely bolts, screws, nuts, washers, pins, screws, pins, cotter pins, rings ., rivets, etc.
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Catalog of tools, metal products (metalware) and electrode
The welding electrode - a metal or non-metallic rods of conductive material needed to ensure the supply of the current product to be welded. Nowadays produce more than 200 marks, half of which is melting for manual arc welding.
You can select melting and non-consumable. Made of non-consumable refractory materials such as tungsten in accordance with GOST 23949-80 "non-consumable welding tungsten electrodes", synthetic graphite, or the electrical coal. Melt produced using welding wire, which are divided according to GOST 2246-70 on carbon doped with either the same high-alloy. Beyond rod crimping metal under pressure applied protective coating layer which is necessary for the metallurgical treatment of the weld pool, its protection against atmospheric influences and causes better, stable burning of the arc.