
High-Speed Steel Selection Guide
High-speed steel — AISI M-series (M1, M3, M35, M42, M50), T-series (T1, T15), and PM grades like ASP 2060. Compare hot hardness, wear life and selection…

High-speed steel — AISI M-series (M1, M3, M35, M42, M50), T-series (T1, T15), and PM grades like ASP 2060. Compare hot hardness, wear life and selection…

AISI M2 is the workhorse high-speed steel of the converting and slitting industry. Molybdenum-tungsten-vanadium tool steel, hardened to HRC 62–65.