Katana Yasumasa T10 Clay Tempered Blade with Choji Hamon | KSA Jiang

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KSASKU: PERJGG069KSA200

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Sale price$549.00 AUD Regular price$649.00 AUD

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Black Sword Stand & Sword Bag are Included

Description

KSA “Jiang” Series Katana – Yasumasa | Hand-Forged T10 High Carbon Blade | Clay Tempered with Real Hamon | Full Tang | Sashikomi Polish | Hand-Fitted Fittings | Genuine Rayskin | Authentic Kissaki Geometry | Green Ishime Saya | Tight-Fitted Tsuka Core | Martial Arts Practice

Yasumasa is named in honour of Sakakibara Yasumasa (榊原康政, 1548–1606), one of the celebrated Four Heavenly Kings of Tokugawa. A trusted retainer of Tokugawa Ieyasu, Yasumasa distinguished himself through military service and became known for his loyalty, discipline, and battlefield ability. This katana bears his name as a tribute to his steadfast character, martial strength, and dedication to his lord.

The blade is hand-forged from T10 high-carbon steel and traditionally clay tempered to produce a genuine Choji Hamon through differential hardening. Finished with Sashikomi polish, the blade presents a refined traditional appearance while allowing the natural hamon to remain clearly visible. Its full-tang construction and authentic kissaki geometry provide both structural reliability and a traditional Japanese sword profile.

The koshirae features a brass Maru-gata tsuba with a layered lotus petal motif, paired with darkened cupronickel Kyō Ajiro fuchi-kashira. The tsuka is tightly wrapped in blue cotton ito over genuine black samegawa, creating a deep and distinctive contrast while providing a secure and comfortable grip.

A Green Ishime saya adds depth and texture to the mounting, while the matching blue sageo brings visual continuity to the tsuka. The combination of green, blue, black, and warm brass gives Yasumasa a composed and dignified appearance that reflects the disciplined character of its namesake.

Swords holder or stand sold separately.

Sword Information

Features Hand-forged Maru (mono-steel), Polished Edge, Genuine rayskin, Authentic Kissaki Structure
Overall Length Approx. 101 cm
Blade Length (Nagasa) Approx. 71 cm
Handle Length Approx. 25 cm
Blade Width at Habaki 3.2 cm
Blade Thickness 7 mm
Blade Material T10 High Carbon Steel (Performance Grade)
Heat Treatment Clay-Tempered
Blade Shape Curved, single-edged blade
Hi (Groove)   No groove
Sharpness Fully sharpened 
Tang Full Tang
Tsuka (Handle) Hardwood, genuine rayskin
Saya (Scabbard) Hardwood
Fittings Iron & Copper Fittings
Tsuka-Ito   Cotton
Sageo Rayon 
Weight (without saya) Approx. 950 g
Purpose

Suitable for test cutting (Tameshigiri) and general martial arts training. We can provide an unsharpened blade upon request

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