There have been many ask about Elmax steel. Here is an excerpt from my newest Tactical Knives magazine about the ZT 0560 and 0561. (Written by Anthony Lombardo)
ELMAX is a very impressive steel for a hard-use knife. Basically, in my testing and te testing of others, it is a stainless steel that behaves like the high-carbon tool steels but without he rust. This means it gets sharp, stays sharp,and can be easily resharpened. It is brutally tough-without the potential for much corrosion. It is quite possibly the optimum steel for a heavyweight tactical folder.
A product of Bohler-Uddeholm, the European steel conglomerate, ELMAX was originally developed for the manufacturing of high end injection molds in the precision plastics industry.
A third-generation powdered metal, ELMAX is also a high Vanadium steel with 3% added to the alloy blend.