Toolsteel typically is used for blanking or trim dies, forming dies, punches, shear blades, knives, thread rolling dies, forming rolls, or any application involving cutting or shaping of metals.
A-2 High wear resistance and good toughness.
D-2 High carbon, high chromium, and high wear resistance.
S-7 Superior shock resistance.
M-2 Excellent toughness, wide hardening range.
CPM-9V Used for tooling which encounters severe wear. It usually is limited in hardness to about 56 RC.