What pattern steel finish is applied to the Han dynasty swords in this collection?
Updated Feb 2026
The Han dynasty swords in this collection use a pattern steel surface treatment applied over the manganese steel blade. This finish involves chemical treatment of the blade surface to reveal the internal grain structure of the steel, producing a flowing pattern visible in the silver, red, and orange blade variants. The pattern is not painted or printed onto the blade surface - it is revealed through the differential reaction of the steel's grain structure to the surface treatment. The result is a unique surface pattern on each blade, with the warm red and orange variants being the most visually striking. The black-finished and brown-fitted variants take a more subdued approach, with the pattern less prominent against the darker surface treatment. All variants use the same manganese steel construction throughout - the color variation is entirely in the surface treatment applied after the forging and initial finishing of the blade. This construction approach produces swords where the blade has visual character appropriate to a historical reference piece while the structural foundation is the practical manganese steel alloy suited to a display collectible.