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M62 - AISI M62 High speed tool steel is made by several companies. Cerpenter Technologies makes it using their trademark Micro-Melt® technology. Crucible makes CPM version of this alloy, named CPM REX 20, and high Sulfur version Rex 20HS, which has up to 0.22% S, less suitable for the knives.
CPM Rex 20 - Crusible Cobalt free high speed tool steel for the applications where the presence of the Cobalt is not desired.
CPM Rex 20 - Crusible Cobalt free high speed tool steel for the applications where the presence of the Cobalt is not desired.
Alternate designations: M62(AISI), T11362(UNS), Micro-Melt M62(Carpenter), CPM Rex 20(Crucible).