Enjoy Nambu Tekki Japanese cast iron teapot (kyusu)

Iwachu Japanese kyusu cast Iron Tetsubin Teapot, Hobnail, 41 oz, Black

Traditional Nambu Tekki teapot

When we drink Japanese green tea, we surely use a kyusu to pour the drink into cups. Most of the Japanese kyusu teapot on the market are made of the ceramics.


You can indeed treat a ceramic teapot easily because it is light. But you shouldn’t overlook the attraction of the Nambu Tekki kyusu. It has superb functionality as well as unique designability.

The name of Nambu comes from the ancient feudal Nambu domain (today’s Iwate Prefecture).


The policy of the domain had traditionally encourage to produce the casting. And one of the daimyo who loved tea ceremony invited a kettle maker Koizumi Nizaemon from Kyoto and made him create a new tea kettle.


This is the beginning of the Nambu Tekki. Nowadays, the Nambu Tekki products cover a variety of kitchen goods including a kyusu, a frying pan, a pot, and a rice cooker.



Features of Nambu Tekki kyusu cast iron teapot


1.High heat retaining

Because all of the Nambu Tekki kyusu are made of the profound cast iron, it keeps the water hot longer than a ceramic teapot.


2.Resistant to rust

The inside of the teapot has an enamel layer, which makes the surface hard to get rust even the water remains.


3.Strong and last long

Though you may feel a little heavy to hold it at first, you hardly break the teapot even if you drop it from the hand (take care not to drop on your foot or teacups). 


4.Best temperature for drinking Japanese green tea

The best temperature for popular Japanese green tea Sencha is 90℃-100℃. Nambu Tekki kyusu can keep it (learn more about Japanese green tea).


5.Unavailable for heating

Actually, there are two types of Nambu Tekki cast iron teapot, kyusu and tetsubin. They look like exactly the same appearance. But most of the Nambu Tekki kyusu has the enamel inside the pot, you must not put it on the heat


In addition, please do not wash the inside with detergent, cleanser, or steel wool. When you wash the teapot, a sponge is the best tool.

Famous Nambu Tekki kyusu cast iron teapot 



Iwachu was established in 1902 and has a history of more than 110 years. The company has led the Nambu Tekki industry and taken over the traditional production method designated for preservation.


Classic hobnail, black

Iwachu Japanese Iron Tetsubin Teapot, Hobnail, 41 oz, Black

Gold and Ptina green/Gold and black





Maple leaf, black and gold

Iwachu Japanese Iron Teapot/Tetsubin, Gold and Black Maple

Gold and Patina green/Burgundy and Lichen green





Goldfish, purple

Iwachu Japanese Iron Teapot Tetsubin Gold and Purple Goldfish

Turquoise/Gold and Black/Gold and Patina green

Gold and Chinnabar/Gold and Orange/ Azure






All of the products are “kyusu” though some are named “tetsubin”. Please check the product descriptions.


If you would like to see the more Iwachu teapots, visit the page!





In contrast to Iwachu, Itchu-do Company was established by in 2009. Of course, the craftmen produce the cast iron kyusu, but the designer Nakamura Yoshitaka develops the design before. So the Itchu-do’s products are really polished.


Hakeme (brush line), black

Southern iron teapot brush marks Hakeme 0.4L Black (japan import)






Tsubomi (bud), red

Southern iron teapot bud Tsubomi 0.4L Red (japan import)

Copper Black




Kurumi (walnut), white

Southern iron teapot walnut Kurumi 0.5L Premium Ivory (japan import)

Black/Copper Black/Green






Might as well, why don’t you also get a traditional Japanese tea cup (yunomi)?



Imari (Arita) ware


Hagi ware







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