Normalizing, Annealing, Hardening & Tempering of Tool Steels
Complete reference for heat-treating temperatures of all major tool steel grades. Search by grade name, toggle between °C and °F, and expand each category group for full specification data.
Supply Scope & Technical Reference Note
Aobo Steel supplies tool steel in an annealed condition and does not provide final heat-treatment services such as hardening, quenching, cryogenic treatment, or tempering.
The heat treatment parameters, hardness data, and process recommendations in this reference are provided as general technical support for our customers. Actual heat-treatment results may vary depending on furnace capacity, section size, tool geometry, material condition, quenching practice, and process control. Final heat-treatment procedures and validation should be performed by the customer’s heat-treatment facility in accordance with the specific tooling application and production requirements.
Need tool steel supply for your heat treatment shop?
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.
Data source: ASM Handbook, Wrought Tool Steels (revised by Alan M. Bayer, Teledyne Vasco, and Lee R. Walton, Latrobe Steel Company). Tables 8 & 9. Aobo Steel supplies material in annealed/soft condition; final hardening, tempering and heat treatment should be confirmed according to actual tool design and working condition.