Classification of Welding Electrode?

1. Consumable Electrode
2. Non-Consumable Electrode

This is formed from different metals or alloys, and this metal has a low melting point. this electrode has high thermal efficiency.
In this type of welding, Filler metal melts at the time of welding. It does not require separate filler metal.
Base electrode and the Flux Coated electrode.
In Flux Coated Electrode there are different types.
Alloy steel, High carbon steel, Mild Steel, Cast iron, Non-ferrous.
Light Coating, Medium Coating, Heavy Coating.
Iron Oxide, Iron Power, Cellulose Coating, Low hydrogen.

These electrodes are made up of Carbon, Graphite, pure tungsten. In this electrode do not melts but base metal melts at the time of welding. It requires a separate filler material and this has less thermal efficiency.
Carbon. and Tungsten electrode.
But in tungsten electrode, there are different types.
Pure tungsten, thoriated tungsten.

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