... the manufacture of aluminum products with the die casting die, hot extrusion die, perforated using tools, a mandrel, forging die ... hardenability characteristic. Good resistance to thermal shocks, and excellent cutting as well as polishing nature to ensure its long ... cracks.Impact toughness: max ≥ 300 with no notch.Application: hot squeezing mould, forging mould, casting mould for aluminum, magnesium ...