... Materials:staineless steel, carbon steel, alloy steel, spring steel, copper, aluminum, gold, silver, titanium metal 5 mm carbon steel 500w YAG ... .3,Hot affecting area is small and machine form is hard to change. Cutting seam is smoothful ... subway line spare parts, etc.Applicable Materials:staineless steel, carbon steel, alloy steel, spring steel, copper, aluminum, gold, silver, titanium metal ...