1.hot die steel plate 2.forged and annealed ... X40CrMoV5-1,SKD61,DHA1,8402,8407 is the different abr. of H13 hot die steel in different contries. Hot die ... manufacture of aluminum products with the die casting die, hot extrusion die, perforated using tools, a mandrel, forging ... Impact toughness: max ≥ 300 with no notch.Application: hot squeezing mould, forging mould, casting mould for aluminum, magnesium ...