Azure Snow Silver Scale – Hand Forged 1045 Carbon Steel Katana Sword
The blade is blue before you ever see the steel. Not a painted blue – a kaoru blue, the deep controlled oxidation of 1045 carbon steel treated with heat and chemistry until the surface locks into a dense, permanent azure that absorbs light differently at every angle. Then the engraving begins: lotus leaf motifs (荷叶 – heye, the broad round leaves of the water lotus, a symbol of purity and renewal in classical Chinese and Japanese iconography) carved into that blued surface, the exposed metal at each cut line reading bright against the surrounding oxide. This is what the Azure Snow Silver Scale is – a visual object engineered for the wall and the eye.
Specifications
| Blade Steel | 1045 Carbon Steel (blued and engraved) |
| Total Length | 102.0 cm / 40.2 in |
| Blade Length | 72.0 cm / 28.3 in |
| Handle Length | 27.0 cm / 10.6 in |
| Blade Width | 3.2 cm |
| Blade Thickness | 0.7 cm |
| Weight | 1040 g / 36.7 oz |
| Heat Treatment | Temper |
| Fittings | Alloy |
| Handle | Cotton Ito wrap |
| Sheath | Hardwood with PU leather wrap |
What the Steel Does
The bluing process on 1045 carbon steel creates a controlled iron oxide layer – magnetite (Fe3O4) rather than the red flaking rust of uncontrolled oxidation – that bonds to the surface and gives the blade its signature deep azure color. On the flat face of the shinogi-zukuri (ridgeline) profile, that blue reads as a near-uniform field. At the ridge itself and along the curved kissaki (point), the angle shifts and the oxide catches light differently, showing gradients from deep cobalt to near-black in shadow. The lotus engraving interrupts that field with line work that catches overhead light and creates the silver-against-blue contrast that photographs with exceptional clarity on a horizontal wall mount.
The Feel of It
At 27 cm, this handle is one centimeter longer than the standard katana tsuka – a detail that affects how the sword sits in both hands when displayed horizontally, and how the cotton ito wrap distributes visually across the handle length. The full-length cotton ito diagonal crosses sit tightly against the handle core, producing clean rhombus windows along the grip. The hardwood saya is wrapped in PU leather, giving it a matte, tactile surface that grounds the high-gloss blue of the blade and the lacquered fittings within a single coherent visual register. Mounted horizontally, the curve of the blade reads against the straight saya with the geometry that made the katana profile instantly recognizable – and this blade presents that geometry in a color combination that is not asking to blend into a wall, but to hold it.
Maintenance Notes
The blued surface is protective but not impervious – keep the blade dry and apply a thin coat of mineral oil periodically to maintain the oxide layer and prevent any surface rust from developing at the engraving lines where the steel is exposed. Avoid prolonged contact with skin oil on the blade face, as acids in perspiration can dull the blue over time. Store in the saya away from humidity, and display horizontally with the edge facing upward in keeping with traditional katana mounting orientation.






























