Japanese Sakai Yasuki Hagane Carbon Steel Chef's Gyuto knivestakaramon Description Japanese Carbon Steel is a superlative steel for professional knives. So, it is extremely sharp and sharpness long lasting. However, it gets rust easily, so it needs keep it maintenance. It around 1. 4% carbon, steel base + 0. 4% molybdenum, 0. 4% vanadium, HRC 61 65. It has very good edge sharpness and excellent edge retention, but is also capable of attaining high hardness without being brittle. Consequently, many knife