Maartinel Nr 12 San mai 1.2442/115w8 cored 02/1.2767 cladding

maartinel nr 12 in san mai 1.2442/115w8 cored with 327 layers of 1.2842/02 and 1.2767/ 4% Ni toolsteels as cladding

hardness approx 62 hrc