Azure Radiance – Hand Forged Damascus Steel Katana Sword
The plum blossom motif cut into the saya of the Azure Radiance is not a surface decoration applied after the fact – it is worked into the sheath itself, the five-petal form repeating along the lacquered hardwood in a pattern that the Chinese name (梅花细鞘, fine plum-blossom sheath) identifies as the blade’s defining visual identity. Mount this sword horizontally and the saya does as much visual work as the blade above it.
Specifications
| Blade Steel | Damascus / Pattern-Welded Steel |
| Total Length | 102.0 cm / 40.2 in |
| Blade Length | 72.0 cm / 28.3 in |
| Blade Width | 3.2 cm |
| Blade Thickness | 0.7 cm |
| Weight | 1040 g / 36.7 oz |
| Heat Treatment | Salt Bath Furnace + Isothermal Annealing |
| Fittings | Copper |
| Handle | Cotton Ito + Genuine Rayskin |
| Sheath | Hardwood, High-Gloss Lacquer |
What the Steel Does
The Damascus billet in this blade is pattern-welded steel – alternating layers of high and low carbon alloy, folded and forge-welded under hammer work, then acid-etched to bring the grain to the surface. The etching process attacks the high-carbon layers faster than the low-carbon ones, leaving behind a topography of light and dark lines that is unique to this billet, this fold sequence, this blade. No other Azure Radiance will have this exact grain. The shinogi-zukuri geometry (the standard ridge-line katana profile, with a defined spine ridge running the length of the blade) means the Damascus layers are visible across a wide flat – nothing is hidden in a narrow or complex cross-section.
The heat treatment here – salt bath furnace and isothermal annealing – produces a consistently hardened blade along the full 72-centimeter edge. This is not a clay-tempered blade, so there is no hamon, but the grain of the Damascus does its own visual work that a mono-steel blade simply cannot. At different viewing angles, the folded pattern shifts – what reads as a tight wave under overhead light opens into a broader, more flowing line when you tilt the blade toward a window. The copper fittings are warm-toned and period-appropriate for the visual register of Damascus steel, complementing the grain’s own gold and charcoal tones without competing.
The Feel of It
The 26-centimeter handle wraps cotton ito over genuine same (ray skin – the granular underlay that prevents the wrap from rotating in the hand), giving a grip surface that is firm and textured even through the cotton. The total 102-centimeter length puts this blade at full katana reach. When mounted horizontally on a wall rack, the plum-blossom saya runs the eye down its length first – the carved or worked motif creating a horizontal rhythm that ends where the handle begins. The cotton ito wrap and copper fittings close the composition. This is a sword that photographs from any angle and holds the eye in person.
Maintenance Notes
Damascus and pattern-welded steel require regular oiling – the etched grain surface has more exposure to air than a polished mono-steel blade, and oxidation will settle into the etched lines first. Apply a light coat of camellia oil before display and refresh it every few months. The lacquered hardwood saya should be kept away from direct sunlight for prolonged periods, which can fade the finish over time.

























