HAP40 Powdered High Speed Steel blade blank Kiritsuke petty knife 150mm
The Japanese Warikomi blade made of HAP40 Powdered High Speed Steel cutting core, sandwiched between SUS405 stainless steel which provides excellent edge retention, HRC 65.
Hitachi metal tools manufactures HAP40 steel and it contains abundant amounts of hard elements like W (Tungsten), Mo(molybdenum), V(Vanadium) & Co(Cobalt) We heat treated this steel for optimal performance at 65 HRC and you will find this blade will hold its edge an amazingly long time.
-- Size -- approx
Kiritsuke petty knife 150mm, Total length 215mm, Blade width 31mm, Blade thickness 1.3mm, 40g, Tang length fron end to machi 60mm, Tang width 14mm, approx
-- Material --
core blade part width 15 mm from cutting edge
Note: rough polished blade has some slight scratch line on the blade.