Blue Flame – Hand Forged 1065 Carbon Steel Katana Sword
The Blue Flame (蓝焰) katana earns its name from its striking green Aohada bark wood saya — a natural sheath whose deep forest hues flicker like cerulean fire in shifting light. Forged in the classic Shinogi-Zukuri ridgeline profile from battle-proven 1065 High Carbon Steel, this mid-range katana delivers genuine functional performance at an accessible $180 price point. For practitioners seeking a blade with real character and authentic Longquan craftsmanship, the Blue Flame is a standout entry into the world of Japanese swordsmanship.
Specifications
| Blade Steel | 1065 High Carbon Steel |
| Total Length | 103.0 cm / 40.55 inches |
| Blade Length | 72.0 cm / 28.35 inches |
| Blade Width | 3.2 cm |
| Weight | 950 g / 33.5 oz (net) |
| Fittings | Zinc Alloy |
| Handle | Cotton Ito Wrap |
| Sheath | Green Bark Wood (Aohada) |
Craftsmanship & Materials
1065 High Carbon Steel sits at an ideal crossroads for the serious beginner and casual practitioner alike. With a carbon content balanced precisely for toughness without brittleness, this steel absorbs the stress of cutting practice — whether through tatami mats or pool noodles — without the micro-chipping risks that plague harder, more brittle alloys. The blade is forged in the traditional Shinogi-Zukuri profile, featuring a distinct ridgeline (shinogi) that tapers toward a sharp kissaki point, replicating the geometry carried by samurai on the battlefields of feudal Japan.
The saya (sheath) is crafted from Aohada — Japanese green bark wood — a material prized for its natural grain texture and distinctive olive-green tone. No two Aohada sheaths are identical; the bark’s organic patterning gives the Blue Flame a visual personality that polished lacquer simply cannot replicate. The tsuka (handle) is finished with tightly wound cotton ito, providing a secure, moisture-resistant grip during intensive cutting sessions. While the zinc alloy fittings place this sword firmly in the accessible mid-range tier, they are precisely cast and cleanly finished, lending the Blue Flame a cohesive, purposeful aesthetic.
Forged in Longquan — a city whose blade-making legacy stretches back over 2,600 years — the Blue Flame carries the quiet authority of a tradition refined across generations. At 950 g net weight and 103 cm overall, it achieves the balanced heft that allows confident single and two-handed technique without fatigue during extended practice.
Perfect For
- Beginners entering iaido or tameshigiri: 1065 steel’s forgiving toughness makes it ideal for developing cutting technique without fear of blade damage.
- Display collectors drawn to natural materials: The Aohada bark wood saya makes this a visually distinctive piece in any sword display or dojo setting.
- Gift buyers seeking an authentic Longquan katana under $200: The Blue Flame offers genuine craftsmanship and unique aesthetics at a price that doesn’t require compromise.
Care & Maintenance
1065 High Carbon Steel will develop surface oxidation if left unprotected — apply a light coat of choji oil (clove oil) or mineral oil to the blade after every handling session to prevent rust. When storing in the Aohada saya, ensure the blade is fully dry and lightly oiled, as natural wood sheaths can trap moisture against bare steel. Wipe the blade clean with a soft uchiko powder ball or lint-free cloth before re-oiling to remove any fingerprint acids or residue.
Frequently Asked Questions
What is 1065 high carbon steel and is it good for a katana?
1065 high carbon steel contains approximately 0.65% carbon, striking an excellent balance between edge retention and toughness. It resists chipping under impact better than higher-carbon steels, making it ideal for cutting practice and everyday use. The Blue Flame katana uses 1065 steel, making it a reliable functional blade well-suited for beginners and practitioners who want a durable, low-maintenance sword without a premium price tag.
What is a Shinogi-Zukuri blade profile on the Blue Flame katana?
Shinogi-Zukuri is the classic ridgeline blade geometry used on traditional Japanese katana. It features a distinct raised ridge (shinogi) running along the blade’s length, creating a strong spine and a thinner cutting edge. On the Blue Flame, this forging style ensures structural rigidity along the 72 cm blade while allowing for effective cutting performance, making it both historically authentic in profile and functionally capable.
Is the Blue Flame katana battle ready and suitable for cutting?
Yes, the Blue Flame (LQS-0026) is a functional, battle-ready katana. Its 1065 high carbon steel blade with a 0.7 cm spine thickness and full Shinogi-Zukuri profile is designed to handle tameshigiri (test cutting) practice. At 950 g net weight and 72 cm blade length, it offers practical balance for cutting drills. It is not a decorative wall hanger — it is built for use by beginners and intermediate practitioners.
What is the Green Bark Wood (Aohada) sheath on the Blue Flame katana?
Aohada, or Green Bark Wood, refers to a scabbard (saya) crafted from wood featuring a distinctive natural green-tinted bark texture finish. On the Blue Flame katana, this sheath provides both an aesthetically striking appearance and solid protective housing for the blade. It complements the sword’s name and visual theme while offering a durable, lightweight scabbard appropriate for functional daily use and display.
Is the Blue Flame katana worth buying at $180 compared to other mid-range swords?
At $180, the Blue Flame offers solid value in the mid-range tier with its proven 1065 high carbon steel blade, full Shinogi-Zukuri profile, and cotton ito handle wrap. The main trade-off is zinc alloy fittings rather than brass or copper, which is typical at this price point. For beginners seeking a functional, cutting-capable katana with appealing aesthetics, it represents a strong entry into quality functional swords without exceeding a $200 budget.



































