... 20mm), stainless steel(less 12mm), , aluminum/zinc steel(less 8mm), , copper(less 3mm) 1). Laser cutting machines feature: Working platform: 3000mm ... melts, burns, vaporizes away, or is blown away by a jet of gas, leaving an edge with a high quality surface ... and piping materials. Laser Cutting for Steel, Stainless Steel, Aluminum, Copper