Clay Tempered Tachi（太刀）Japanes Katana Sword Sanmai Lamination Blade

Blade: 

-The  Blade Of The Sword Has Been Hand Forged And Quenched  Using Diferential  Hardening, In The Same Methods As Traditional Japanese Sword.

-The Core Of The Blade Is Made Of Forged AISI T-10 Steel, And The Sides Are  Made  Of Forged AISI 1045 Carbon Steel Folded 10 Times, Generating 1024 Layers  In The  Steel, In True Sanmai Lamination Style.

-The AISI T-10 High Carbon Steel (The Steel Has A 0.1% Carbon Content And 0.4%   Manganese. It Is Extremely Hard -58 HRC- Making A Very Sharp Edge). This Blade   Is Clay Tempered And Quenched, Then Polished And Sharpened By 14 Different   Process.

-The Hamon Pattern Is Done By Differential Hardening With Clay Temper. The   Hardening Process Is Made By Utilizing A Special Clay On The Edge, So It Gets A   Different Temperature And Cools In Different Time Than The Rest Of The Blade,   Becoming Harder And Quenching The Blade When It Is Cooled On Water. It Is A  Very  Complex Technique, As If Not Properly Executed The Blade Will Break. The  Fire  Can't Be Too Warm Or Cold, Only A Good Swordsmith Knows The Exact  Temperature.  The Blade Then Get Its Shape With A Beautiful Hamon Hada And  Martensite (Grains)  On Its Surface. This Way The Edge Can Be Very Hard And The  Mune -The Spine Of  The Sword- Softer Giving It An Excelent Toughness. The  Perfect Combination Of A  Hard Edge With The Increased Sori (Curvature Of The  Blade) With A Strong Mune,  Enables This High Quality Blade To Easily Cut  Through Tatami, Straw Mats Or  Bamboo For Tameshigiri.

-This Blade Has A Full Length Tang Which Greatly Enhances The Strength Of The   Sword. The Blade Has The Shinogi-Zukuri Shape And With Chu-Kissaki And Real   Yokoto; It Is Well Defined With The Hamon Going All The Way Through The Boshi.

Fitting:

-Koshirae: The Tsuba (Guard), Fuchi (Sleeve) And Kashira (Buttcap) Of The   Sword Made Of High Quality brass .the brass Habaki (Blade Collar) Is A One Piece   Construction. Two brass Seppas (Spacer) Secure The Tsuba.

Tsuka: The Tsuka (Handle) Core Is Wooden And It Is Tightly Wrapped Over Genuine   Ray Skin (Samegawa) With green ito Wrapped.The Full Tang Of The  Sword Is Secured  By Two Mekugi (Peg) . You Can Unassembled The Blade From The  Handle By Taking  Out 2 Pegs.

-Saya: The Saya (Sheath) Made Of Real Hard wooden Work . A High Quality japanese  green  Sage-O Has Been Tied Around The Kurigata (Knob) Of The Sheath.

Specifications:

Condition: Brand-New

Overall Length: 40.9 Inch /104 Cm

Blade Material: Clay Tempered Sanmai Lamination

Nagasa Length: 28.0inch/71cm

Handle Length: 10.6 Inch / 27 Cm

Blade Shape: SHINOGUI-ZUKURI

Blade Edge: Hand Polished Be razor sharp

Handle Material: Genuine Ray Skin + Hard Wooden

Blade Width (Near Kissaki): 0.91inch / 2.3cm

Width (Near Habaki): 1.26 Inch / 3.2Cm

tsuba Material: High Quality brass

Saya Material: Hard Wooden With Lacquer Work Finished

Kissaki Shape: Chu-kissaki