The term San Mai is used for the manufacture of knife blades consisting three layered steel composites. middle layer, which forms cutting edge, consists hard and on outside a soft stainless forged. Mr. Benjamin Kamon, an Austrian blacksmith, provided examined sample. Three different steels thin Ni layer are symmetrically connected (1.4301/1.3520/Ni/1.2519/Ni/1.3520/1.4301). cold work (1.2519) t...
