Tungsten is a conductive electrode. Forming an arc between the electrode and the workpiece, and produce heat. The base material and consumables metal melting.
Handmade metal electrode is an electrode in the welding process constantly being melted. Of course, the "melting polar."
Wire will be melted. But not necessarily electrode. As the wire electrode used. Also "
MIG."
Tungsten is an electrode. However, in the arc will not melt, so it is not "MIG." TIG usually requires silk, but small welds may not silk.
