What steel types are used in black chokuto blades?
Updated Mar 2026
The black chokuto pieces in this collection are forged from several distinct steel types, each with different visual and structural characteristics worth understanding before you collect. 1045 carbon steel is a reliable mid-range option - consistent grain, good edge retention for a display piece, and responsive to polishing. 1060 steel has a slightly higher carbon content, producing a denser edge and a more pronounced hamon when tempered. T10 tool steel, when clay tempered, develops a natural hamon with activity along the boundary line, giving each blade a unique fingerprint that no two pieces share. Folded pattern steel - sometimes called Damascus in Western markets - undergoes repeated forge-welding that produces visible surface grain, prized more for aesthetic depth than hardness. For a collector, the steel type determines what the blade looks like under light, how the surface ages over time, and how much visual complexity the piece carries on the wall.