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Plasma cutters use an electric arc and compressed air to slice through metal using a superheated jet of plasma. An oxy acetylene kit uses oxygen and acetylene gasses to produce a high temperature flame that cuts through metal. Both methods are highly effective at making cuts in metal surfaces, but each suits different tasks.
A plasma cutter is best for precision sheet metal work involving mild steel, stainless or aluminium. An oxy kit better suits heavy duty tasks, including heating up steel before brazing or welding and loosening seized bolts. Oxy acetylene kits also do not require an external power source, meaning they can be used on remote worksites.
Coates’ plasma cutters are capable of cutting through materials that are 10mm, 25mm or 40mm thick. Our plasma cutters are commonly hired for manufacturing, construction and automotive tasks. Meanwhile, oxy kits are essential for welding, cutting and repairs in industries like construction, shipbuilding, automotive repair and pipeline fabrication.
Plasma cutters are the preferred choice for clean, neat cuts in intricate areas. Oxy acetylene torches tend to create more splatter, making them more suitable for outdoor or heavy duty tasks.
You can cut stainless steel with an oxy acetylene kit, but it often results in a messy cut due to its higher chromium content. Aluminium is also difficult to cut with an oxy acetylene torch due to its low melting point and oxide layer. A plasma cutter is usually a better choice for both metals.
Plasma cutters require a power source for operation. Before deciding on your plasma cutter hire, confirm whether the unit you are renting runs on single- or three-phase electricity. It is also worth checking whether it includes a compressor or requires external air to run.