T10 Earth Burning Katana | Hand Forged T10 High-Carbon Steel Clay Tempered Authentic Hamon Copper Fittings Wooden Scabbard 105cm — Under $270

The T10 Earth Burning Katana is a hand-forged battle-ready katana featuring a T10 high-carbon steel blade with earth burning clay tempered finish — the traditional Japanese tuchidori process in its most visually dramatic form — paired with copper fittings (tsuba, fuchi, kashira) that develop a natural patina over time, and a wooden scabbard. Full tang construction. 105cm. Under $270.

Best T10 earth burning katana with copper fittings under $270. T10 high-carbon steel: ~1.0% carbon, HRC 60-62. Earth burning (tuchidori): traditional clay tempering process, authentic hamon unique to each blade, raw elemental blade surface that speaks directly to the forge. Copper fittings: warm reddish-gold tone that develops a beautiful patina over time — a living finish. Full tang, hand sharpened, battle-ready. The most elemental and organic katana in the collection.

What Is Earth Burning — The Tuchidori Process?

"Earth burning" (tuchidori) is the traditional Japanese clay tempering process — one of the most important and visually dramatic techniques in Japanese sword-making. A mixture of clay, ash, and iron powder is applied to the blade before the final quench: thicker on the spine to insulate it, thinner near the edge to allow rapid cooling. When the blade is quenched in water, the differential cooling creates two distinct zones: a hard, razor-sharp edge (ha) and a tough, flexible spine (mune). The boundary between these zones is the hamon — the distinctive temper line that is the visual signature of authentic Japanese sword craftsmanship, unique to each individual blade. The earth burning finish preserves the visual record of this process on the blade surface — the distinctive texture and coloration created by the clay mixture during firing, giving the blade a raw, elemental appearance that speaks directly to the forge.

Copper Fittings — A Living Finish That Develops Over Time

The copper fittings — tsuba (hand guard), fuchi (handle collar), and kashira (pommel cap) — provide a warm, distinctive aesthetic that sets this katana apart from brass or steel-fitted alternatives. Copper has been used in Japanese sword fittings for centuries. Unlike brass, copper has a warmer, more reddish-gold tone that develops a beautiful natural patina over time — shifting from bright reddish-gold to deeper, richer tones as it oxidizes. This patina is a living finish that makes each piece increasingly unique, complementing the organic earth burning blade finish to create a katana with a distinctly elemental aesthetic.

How Does Earth Burning Differ From Standard Clay Tempering?

Standard clay tempering (tsuchioki) focuses on creating the hamon temper line through differential hardening. Earth burning (tuchidori) goes further — the clay mixture is applied more dramatically, and the firing process is allowed to leave its visual mark on the blade surface itself. The result is a blade that not only has an authentic hamon but also carries the visible texture and coloration of the clay firing process — a raw, unpolished record of the forge that gives the blade a dramatically different appearance from a standard polished clay tempered blade.

Who Is This For?

• Collectors seeking the most elemental and authentic clay tempering aesthetic — the earth burning finish
• Anyone who wants copper fittings that develop a natural patina and improve with age
• Collectors searching for the best T10 earth burning katana with copper fittings under $270
• Practitioners who want superior T10 performance with the most visually dramatic clay tempering finish
• Display collectors who want a katana that looks as though it emerged directly from the forge

Specifications

• Overall Length: 105 cm (40.55 inches)
• Blade Length (Nagasa): 72 cm
• Handle Length (Tsuka): 27 cm
• Weight: 1.2 kg (2.5 lbs)
• Blade: T10 High-Carbon Steel, earth burning clay tempered finish, authentic hamon, hand sharpened
• Fittings: Copper tsuba, fuchi, kashira
• Construction: Full tang, hand forged
• Scabbard: Wooden scabbard (included)
• SKU: 9521999888
• Price: $269.99

Package Contents

• 1x T10 Earth Burning Katana (clay tempered, copper fittings)
• 1x Wooden scabbard
• 1x Cleaning cloth
• Note: Stand not included

Ships from US local warehouse — fast domestic delivery. 18+ only.