M390 Super Steel — The Sharpest in the Range
The Xinzuo X04 Li Series is the most advanced knife Xinzuo makes — the only line built around a core of M390 super steel, the powder-metallurgy stainless prized in high-end pocket and custom knives. Wrapped in 145 layers of Damascus and hardened to 60-62 HRC through vacuum heat treatment and a deep-freeze cycle, the M390 core’s dense chromium-vanadium carbides deliver the longest edge retention and best corrosion resistance in the entire range. Each blade is finished with a modern black carbon-fibre handle — light, perfectly balanced and completely impervious to moisture — and ground to a precise 15° per side. Spanning chef, santoku, nakiri, utility and paring knives, the Li Series is for cooks who simply want the sharpest, longest-lasting blade money can buy. For Australian cooks who demand the absolute best steel on the market, nothing else in the range comes close.
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Why M390 super steel
The Li core is M390 super steel — among the highest-performing stainless steels used in any kitchen knife. See how Xinzuo’s steels compare across the range. Xinzuo series comparison guide
Keep the 15° edge razor-sharp — our whetstone guide walks through the routine. How to sharpen on a whetstone
New to quality kitchen knives? Our beginner guide covers blade types, steel grades and what to look for. Beginner knife buying guide
Compare M390 against the rest of the Xinzuo Damascus lineup. Read more