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​material

・ Copper alloy     | CAC403, CAC406, CAC502, CAC603, CAC703

・ Aluminum alloy | AC4C, AC3A, AC4A, AC7A

・ Lead alloy

・ White metal

* We support various non-ferrous metals such as copper alloys, aluminum alloys, lead alloys, and tin alloys.

* Stable quality of Made in Japan based on Japanese Industrial Standards

COPPER  |  Copper alloy 

CAC403, CAC406, CAC502, CAC603, CAC703

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Copper alloy

​(Sand mold / small to large casting)

  • Press machine parts

  • Various pump parts

  • Food machinery parts: Uses corrosion-resistant aluminum bronze and CAC403 bronze.

  • Hydraulic equipment parts

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  • Dotaku, Bonsho

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  • Casting in 1957 Reiho Hakusan summit directional board
    (Hakusan City, Ishikawa Prefecture)

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  • Kan'en 3 years (1750) Casting Kinkoin Bonsho
    (Tangible Cultural Property, Suzu City, Ishikawa Prefecture)

  • Custom-made nameplate / nameplate (French restaurant Re Aito )

◎ In 1957, we cast the directional board installed on the summit of Mt. Hakusan. The base stone was smashed by lightning, but the bronze directional board proved to be durable.

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ALUMINUM  |  Aluminum alloy

AC4C, AC3A, AC4A, AC7A

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Aluminum alloy

​(Sand mold / mold)

  • Reducer: Case body, gear case  

  • Textile machine parts: Aluminum bobbins, change pulleys

  • Construction related parts

  • Exterior

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  • Made-to-order exterior
    (Hotel Sunroute Komatsu outdoor light)

  • Civil engineering parts ( design of side walls of expressways, etc.)

  • ​manhole

  • Custom-made nameplate / nameplate (French restaurant Re Aito )

Material price fluctuations

​* Yen / tax-excluded price * Nikkan Kogyo Shimbun Market price / Calculated from the average price of 1st, 10th, and 20th.

Ingot price

* Yen / tax-excluded price * Nikkan Kogyo Shimbun Market price / Calculated from the average price of 1st, 10th, and 20th.

Comparison of mechanical properties of copper alloy castings

When manufacturing castings, we will propose materials that suit the application, taking into account mechanical properties.

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