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R12M3K5F2-MP(GOST) - High speed tool steel. No direct western analogs, but R12M3K5F2-MP is closest to AISI M48 high speed tool steel. R12M3K5F2-MP has less Carbon, Vanadium, Molybdenum and Cobalt compared to AISI M48, but More Tungsten. High wear resistance and working hardness. Presence of ~5% Cobalt ensures high red hot hardness about which you don't care in the knife, but Cobalt is still a positive alloying element. R12M3K5F2-MP is listed and discussed on knife related forums, with positive assessments and comments, however so far I can not find an actual knife made out of it, which doesn't mean they don't exist. In the end, high wear resistance and high working hardness make R12M3K5F2-MP decent candidate for light cutting, high efficiency cutters.
Manufacturing Technology - PM
Country - Russia(RU)
Known Aliases:
GOST - DI103-MP
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