What steel grades produce the most impressive hamon on a naginata blade?
Updated Feb 2026
T10 carbon steel produces the most impressive and visually dramatic hamon on a naginata blade because of the grade's exceptional response to differential clay tempering. The naginata's long curved blade format means the hamon - when well-executed - runs across a much greater surface area than on a standard katana. On a T10 clay-tempered naginata, the hamon boundary zone with its active nie crystals extends the full length of the curved blade, creating an extended display of the traditional craft marker that is one of the most visually impressive presentations in Japanese blade collecting. 1095 carbon steel also produces good hamon quality in clay-tempered configurations. Damascus steel naginata do not typically feature the same hamon display, as the fold-forged layered pattern is the defining visual characteristic of Damascus pieces.