Classic TIG 18 Torch – High-Amperage Water-Cooled TIG Torch for Demanding Welders The TIG 18 Torch is a premium water-cooled TIG welding torch rated for up to 350 amps, built to handle long welding cycles with minimal heat buildup. It is ideal for professional welders in fabrication, pipeline, aerospace, and heavy industry working with steel, stainless steel, aluminum, and exotic metals like titanium and Inconel. Available in 12 ft and 25 ft lengths, this torch features a durable ML3550 connector and optional zip cover and snap-on connection for added cable protection and flexibility.