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In simple terms, welding is a process that joins materials, usually metals or thermoplastics by using high heat to melt the parts together and allowing them to cool causing fusion.

MIG or Metal Arc Welding, is an arc welding process which produces the coalescence of metals by heating them with an arc between a continuously fed filler metal electrode and the work.

Welding as an industry has evolved significantly with the evolution of technology and this is no more evident than with the development of Auto-Darkening Helmets.

While gloves, clothing and footwear are all important, having the correct welding helmet is arguably the most integral piece of safety equipment.  

Unfortunately, there is no single welding process which is suitable for all types of applications. The most common forms of welding are MIG, TIG and Stick Welding – though each discipline has its own benefits and limitations.

The design and capabilities of welding power supplies has changed and is continuing to change, rapidly. One of the technologies driving this change is the development of power supplies based on inverter technology.

While it may be the most difficult welding discipline to master, TIG Welding is a highly precise, efficient process which produces excellent results.

The Weldmatic 250i from Welding Industries Australia (WIA) is a MIG and Multi-Process welder which is suitable for a range of processes for both tradesmen and DIY use.