Blade Steels.

well, yeah. 440c is just fine. Elmax is a fancy premium steel.

Time to use a car reference...

440c is a civic. It's a decent priced and performing car. But if this were a gear head forum, no one would be excited about a civic.

Unless it was an Si turbocharged and intercooled. But I get your meaning.
 
Unless it was an Si turbocharged and intercooled. But I get your meaning.

Then it'd still be a civic with a lot of money sunk into it. Like knife with a 440c blade, ivory handles, gold inlays, mirror polished, with ornate carvings on the hardware. Might be cool, but wouldn't use it for anything serious.
 
The CM in 154CM is Climax Molybdenum, the company that initially produced it. There are currently many steel names with the same composition, which was advertised as 440C modified when 440C was the premium stainless. The near forgotten Hitachi ATS-34 being one of these steels. The PM process provides some improvements with mostly the same composition, but the major alloying components and the wear resistance are about the same. Impact toughness and attainable hardness differ, and the improved homogeneity gives better finishing as well.
 
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