GOST 4CH5MF1S Knife Steel
Composition Analysis Graph, Equivalents And Overview

Version 4.36
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4CH5MF1S(GOST) - Hot work tool steel. Working hardness 52-54HRC max. Not really suitable as a knife blade material. Decent shock resistance. Never the less, I've seen an axe made out of this alloy, tomahawks, breaching axes, couple of the large choppers and an anvil.

Manufacturing Technology - Ingot

Country - Russia(RU)

Known Aliases:
GOST - 4X5MF1S, GOST - 4KH5MF1S

NOTE - Approximate composition based on manufacturer's or standard reference information and other alloys in the same reference group is shown.

* - Listed as an equivalent or replacement for alloys in this group.

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