What Is A2 Tool Steel: Properties, Composition, Hardness & Applications




 A2 is an air‑hardening cold‑work tool steel that offers a strong balance of wear resistance, toughness, and dimensional stability during heat treatment. Positioned between O1 and D2 in performance, it is a go‑to choice for dies, punches, and cutting tools where precision and long tool life are critical. 

To see full chemical composition, hardness and tempering tables, heat‑treatment steps, and detailed industrial applications—plus how A2 compares with O1 and D2—read the complete guide here: What Is A2 Tool Steel: Properties, Composition, Applications 

 

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