Application-Based Tool Steel Selection

Tool Steel Application Material Finder

Select the tooling application first. The finder will show suitable Aobo Steel grades, practical alternatives, and the main selection logic behind each recommendation.

Cold WorkD2, D3, D6, A2, O1, O2, DC53 and GB equivalents.
Hot WorkH10, H11, H13, H21, L6 and Chinese hot-work grades.
HSSM2, M35 and M42 for cutting, drilling, milling and severe machining.
Mold & BearingP20, P20+Ni, 52100 and GCr15 for mold and wear applications.

This is a first-stage material selection guide. Final grade selection should still consider tool size, working temperature, impact load, wear mode, machining allowance and heat treatment control.

Use the dropdown above to find suitable grades by application. The result will separate primary materials, replacement options, and caution notes.

Need bulk tool steel supply for a specific application?

Aobo Steel supplies tool steel and alloy steel in annealed or soft condition for distributors, stockists and industrial projects. Share the grade, size, quantity, tolerance and destination to receive a practical supply suggestion.

Grades included in this finder

Data basis: organized from Aobo Steel grade application notes. Aobo Steel supplies material; final hardening, tempering, nitriding, coating or other service heat treatment should be confirmed according to the actual tool design and working condition.