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Powder metallurgy
Main products（Engineered Powders）
IoT / Electronics Mobility Life / Environment Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials Parts / materials
These powders are manufactured by leveraging the atomizing process.
Allumina, Silicon Carbide (SiC) refractories
Main products
IoT / Electronics Energy Life / Environment Parts / Building materials / Structural materials
raw materials Parts / materials
Mitsui Kinzoku manufactures high-quality high-performance and energy-saving refractory materials made from select high-grade materials using proprietary technology and facilities.Read more
Fine ceramics
Main products
IoT / Electronics Parts / Building materials / Structural materials
raw materials Parts / materials
These materials feature strength and thermal-shock-resistance, which lends them to use as large-size components such as heater tubes and rotors for dissolving aluminum, electro-ceramics kiln tools and structural materials.
METALOFILTER®, METALOCLEAN®
Main products
Mobility Raw materials / Resources / Recycling Parts / Building materials / Structural materials
Parts / materials materials
In the aluminum industry, customers demand products that are lighter, thinner, stronger, and easier to process. To meet this demand, Mitsui Kinzoku offers Metalofilter for removing inclusions in molten aluminum, and Metaloclean TS to remove hydrogen gas.
Precision grinding wheel Business
Main products（Precision grinding wheel Business）
IoT / Electronics Mobility Parts / Building materials / Structural materials
Parts / materials
Our standard grinding wheels are used for precision grinding of metal parts and other materials in a wide range of industries, including the automotive and bearing industries.
Zinc
Main products（Zinc Unit）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Zinc is primarily used as a plating material to create anti-corrosive coating on steel. We offer custom products, such as high grade zinc by LME standards, and distilled zinc and mixed zinc pursuant to JIS standards.
Zinc base alloys
Main products（Zinc Unit）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Mitsui KinzokuWe offers type 1 and type 2 alloys under the JIS standard. We also manufacture proprietary alloys such as ZAS (a type 3 alloy) and ZAPREC.
Copper
Main products（Copper & Precious Metals, etc.）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Copper, characterized by its superior electrical conductivity and workability, has found widespread application in wires, various electronic components, and processed
Door Latch
Main products（Door Latch）
Mobility Parts / Building materials / Structural materials
Parts / materials
These latches are small, lightweight, and strong and provide a high level of safety. They are available in designs for various applications. In addition to latches, we also offer slide door parts that ensure smooth and reliable opening and closing of slide doors, check links for parts that ensure door retention and smooth operability, and door hinges.
Mitsui Perlite
Main products（Perlite Business）
Energy Life / Environment Parts / Building materials / Structural materials
raw materials Parts / materials
Mitsui Perlite is formed by crushing pearlstone, a natural volcanic glass, or pitchstone. This is then rapidly heated and allowed to expand, resulting in an airtight amorphous structure that is very light and has a white sand-like appearance.
Powder metallurgy products
Other Businesses
IoT / Electronics Mobility Parts / Building materials / Structural materials
Parts / materials
These products are made from steel-based materials and find wide applications in various areas. We can provide parts of excellent quality, in high volume, and at low cost, particularly for automotive applications such as engine, suspension, and power steering parts.
aluminum- and magnesium-related die-casted products
IoT / Electronics Mobility Parts / Building materials / Structural materials
Parts / materials
We produce die-casts mainly using aluminum and magnesium, such as headlamp reflectors, heat sinks, inverter housings for EVs and HEVs, and other automotive components.
Rolled Copper Business
Main products（Rolled Copper Business）
IoT / Electronics Mobility Parts / Building materials / Structural materials Plant
raw materials
We manufacture and sell plates and coils made using copper, copper alloys, and brass which is an alloy of copper and zinc, as well as various other rolled copper products. Our rolled copper products are used in various applications centered around automotive terminals and consumer device terminals. The rolled copper division is currently operated by Mitsui Sumitomo Metal Mining Brass & Copper Co., Ltd., as a result of a business merger with Sumitomo Metal Mining & Smelting Co., Ltd., in July 2010.
Corrosion Prevention Business
Main products（Corrosion Prevention Business）
Parts / Building materials / Structural materials Plant
Processing
Nakabohtec Corrosion Protecting Co., Ltd operates a corrosion prevention business designed to solve corrosion issues customers face with port and harbor structures that surround Japan, salt-air damaged concrete structures, pipelines that support life infrastructures, plant facilities, gate facilities, etc.