... 5 Narrow and smooth cut edge plasma cutting equipment Function and FeaturesHigh cutting speed which is several times of conventional cutter. ... 100/120.Adopting contact arc cutting technology for CUT30/40.Suitable for many kinds of metal welding, such as stainless steel, ... titanium, iron, and aluminum etc.kinds of metal welding, such as stainless steel, titanium, iron, and aluminum etc ...