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Rice Straw Ash: Burned in a Pit and Sieved
Forge

Yenziwe ngu-

Forge

17. uMfumfu 2026NO
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Rice Straw Ash: Burned in a Pit and Sieved

Japanese swordsmiths coat the steel in clay, water and straw ash between heatings and folds, to keep it from oxidising. Burn dry rice straw down to ash in a pit, let it cool, and sieve it fine. The picture: our diagram, straw to fire to sieved ash.
Oqalayo
An evening, cooled overnight

Imiyalelo

1

Burn the straw

Light a small fire in the pit and feed the dry rice straw onto it an armful at a time, letting each burn down before adding more.

Izinto zokwakha zalesi sinyathelo:

Utshani belayisiUtshani belayisi5 kg

Amathuluzi adingekayo:

Umgodi womliloUmgodi womlilo
Ibhoboza LomnsaloIbhoboza Lomnsalo
Isithungu sokuvuthela umliloIsithungu sokuvuthela umlilo
Amagilavu Omsebenzi EsikhumbaAmagilavu Omsebenzi Esikhumba
2

Cool

Let the ash go fully cold overnight before you touch it.

Amathuluzi adingekayo:

Umgodi womliloUmgodi womlilo
3

Sieve and keep

Shovel the ash through a fine sieve to take out unburned bits and charcoal. Weigh it and keep it dry in a lidded bucket.

Amathuluzi adingekayo:

IfosholoIfosholo
Isisefo Senetha EcolekileIsisefo Senetha Ecolekile
Ibhakede lensimbi elinesivaloIbhakede lensimbi elinesivalo
Isikali sesilinganisoIsikali sesilinganiso
Imaski YothuliImaski Yothuli
4

Ash from your straw

Ilayisha incwadi ye-Jupyter…

Izinto

1

Amathuluzi Adingekayo

9

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Smelting Tamahagane Steel in a Tatara Furnace — Traditional Japanese Steelmaking

Smelting Tamahagane Steel in a Tatara Furnace — Traditional Japanese Steelmaking

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Umsebenzi Wensimbi

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Folding and Forging a Katana Blade — Nihonto Swordsmithing

Folding and Forging a Katana Blade — Nihonto Swordsmithing

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Izikhali

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