A2 die steel belongs to high toA2 die steel is mainly used in stamping die, precision stamping die, cold work forming die, cold drawing die, forming roll, punch, drawing die, crimping die, embossing die, wire cutting precision punching die and stamping die for various purposes, plastic deformation tools of difficult materials, cold forging die, deep drawing die and rolling die.ughness wear-resistant cold working tool steel, which is a hard section steel. After heat treatment, the hardness can reach 57~62HRC