... steel, spring steel, copper, aluminum, gold, silver, titanium metal 2 mm aluminum 500w YAG Metal laser cutting machine ... subway line spare parts, etc.Applicable Materials:staineless steel, carbon steel, alloy steel, spring steel, copper, aluminum, gold, silver ... , titanium metal plate and steel tubesSamples: Brake Pad Stainless Steel Aluminium SheetSpectale Frame Mechanical Parts ...