mold laser welding machine weld metal 200w,450w welding depth 1.5-3.5mm Pulse width 0.1ms-20ms ... Britain to guarantee higher electro-optic conversion efficiency, and more high-temp and corrosion resistant, longer life. Small welding spot diameter, less ... weakening on the object. Product applicationSuitable for welding or repairing on various of mould steel (8407, 2344, H13, 718, NAK80, S136, SKD11 ...