Tungsten carbide electrode is a surfacing electrode with a low-hydrogen sodium coating with carbon steel as the core. Relying on
the transition of tungsten carbide alloy in the drug skin, the tungsten content of the surfacing metal is 40% to 50%.
TIG welding (Tungsten Inert Gas Welding), also known as non-melting inert gas shielded arc welding. The method of adding filler
wire with TIG welding is often used for the bottom welding of pressure vessels, because the airtightness of TIG welding is better
to reduce the porosity of the welding seam during welding of pressure vessels. The heat source of TIG welding is DC arc, the
working voltage is 10 ~ 95 volts, but the current can reach 600 amps.
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