... 6mm 3.7P water cooling system Metal laser cutting machine Specification: Model number YAG-500-1325working area 2500× ... 35mm/s Applicable materialStainless steel, carbon steel, alloy steel, spring steel, Aluminum alloy, copper plate, Aluminum plate, gold, ... metal pipes. Applicable materialStainless steel, carbon steel, alloy steel, spring steel, Aluminum alloy, copper plate, Aluminum plate, gold, ...