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Blackened Finish Katana

These blades carry a blackened surface finish. The steel grade is not confirmed in the records reviewed for this collection.

To be precise about what this is: no differential hardening and no hamon are claimed for these blades, and how any visible line was produced is not confirmed. If you specifically want a differentially hardened blade, see the clay-tempered collection.

Each piece is supplied unsharpened for display and collection. Dimensions, tang construction, fittings and saya finish are stated on the individual listing.

11 Blades

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Edge
Unsharpened162
Steel
High Carbon Steel Katana32 Blackened Finish Katana11 Patterned Steel Katana6 Clay-Tempered Katana14

Dark blade finish

A dark surface finish, declared as appearance only.

Blackened katana are declared by their dark surface finish. The steel grade is not confirmed in the records reviewed for this collection, and no hamon created by differential hardening is claimed. The finish changes appearance, not a performance value the catalog can verify.

Every product in this collection is supplied unsharpened for adult collection and display only. Dimensions, tang construction, saya color, ito color and fittings design vary by product and are stated on the individual listing.

Blackened or clay-tempered?

Choose a blackened finish for a dark blade appearance. Choose the T10 clay-tempered collection when the priority is a workshop-declared hamon from differential hardening. The Steel Guide places both beside high-carbon and patterned steel.

Collection FAQ

Questions about this collection.

Is the bright line on a blackened blade a real hamon?

No hamon from differential hardening is claimed in this collection. How any visible line was produced is not confirmed in the records reviewed, so it is not presented as a heat-treatment result.

Does blackening make the blade stronger?

Prime Katana makes no strength or cutting-performance claim based on the blackened finish. Choose it for the documented appearance.

Are blackened katana unsharpened?

Yes. Every product currently offered is supplied unsharpened for adult collection and display only. Each listing declares its own dimensions and construction.