Plasma Cutting Request a Quote Request a quoteFirst NameLast NameEmailPhone/MobileProducts Interested InUpload A FileChoose File SpecificationsSend Your Expert Plasma Cutting Service Why Choose Our Cutting At Southend Steels? Plasma Cutting works by having an inert gas blown at high speed. An electrical arc is simultaneously created through and around the gas being blown, forming plasma. This plasma is hot enough to cut metal very quickly and precisely.