STAS 39VSiMoCr52 Knife Steel
Composition Analysis Graph, Equivalents And Overview

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39VSiMoCr52(STAS) - Hot working, plastic mold steel. Good shock and acceptable wear resistance in hot environments, which has very little to do with knives. Very low working hardness(for a knife) 46HRC max, although at least one source cites 48-52HRC range. Even 52HRC is butter soft for any half decent knife. Still, some makers do use it in knives. I'm puzzled as to why though.

Manufacturing Technology - Ingot

Country - Romania(RO)

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

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