95MnWCr5, 1.2825, O1, UNS T31501
95MnWCr5, 1.2825, O1, UNS T31501 - Introduction and Application. O1, UNS T31501, Sk3 is an AOD oil-hardened tool steel that can reach up to 65 rockwell C in hardness, tool steel for cold-working at low speeds with low tendency to hardening cracking and dimensional deformation while hardening and tempering processes. this alloy is relatively inexpensive …