The NAK80 steel is of pre-hardened plastic die steel. The hardness of leaving factory reaches to HRC37-43. With the good performance of polishing, carving and discharging, it is used in die for mirror surface polishing, TV light filter, cosmetic case, precision wrinkle machining die, OA equipment and die for automobile EDM.
Characteristics: No heat treatment is necessary; excellent performance of polishing, cutting and flowers corrosion. |