KOBELCO’s Business Activities

Creating “Distinctive Products & Technologies” in Diverse Fields - The Eight Business Segments of the KOBELCO Group

Steel & Aluminum

Achieving maximum synergies as the only producer of both steel and aluminum.

Main Products and Businesses

Steel wire rods and bars

  • Ordinary wire rods
  • Special wire rods
  • Special steel wire rods
  • Ordinary steel bars
  • Special steel bars

Steel sheets

  • Heavy plates
  • Steel sheets (hot-rolled, cold-rolled, surface-treated)

Steel billets

Aluminum rolled products

  • Aluminum can stock
  • Aluminum sheets for heat exchangers
  • Automotive aluminum sheets
  • Aluminum extrusions
  • Aluminum disk materials for HDDs

Aluminum castings and forgings, etc.

  • Aluminum alloy and magnesium alloy castings and forgings (parts for aircraft and automobiles, etc.)
  • Fabricated aluminum products (parts for automobiles and rolling stock, etc.)

Advanced Materials

One of the leading producers in Japan, contributing to the weight reduction of cars, planes, trains, ships and more.

Main Products and Businesses

Processed products

  • Steel castings and forgings (ship parts, electrical parts, industrial machinery parts)
  • Titanium and titanium alloys
  • Steel powder
  • Foundry pig iron
  • Pig iron for steelmaking
  • Slag products

Copper rolled products

  • Copper strips for semiconductors
  • Copper strips for automotive terminals
  • Lead frames
  • Condenser tubes
  • Copper tubes for air conditioners


Kobe Steel’s Welding Business offers total welding solutions that combine welding materials, robotic welding systems, welding technology and more, with the aim of becoming No. 1 in Asia as “the world’s most reliable welding solutions company.”

Main Products and Businesses

Welding materials

  • Covered welding electrodes
  • Wires for automatic and semi-automatic welding
  • Fluxes

Welding systems

  • Welding robots
  • Welding power sources
  • Rrobotic welding systems

Testing and inspection

  • Welding-related testing, analysis, and consulting


Kobe Steel’s Machinery Business offers a wide range of products, including industrial machinery, compressors and energy equipment. Kobe Steel creates distinctive products to meet global demand in key growth fields, such as the automotive, environmental and energy industries, while also striving to build optimal production networks and strengthen its manufacturing capabilities.

Main Products and Businesses

Industrial machinery

  • Equipment for energy and chemical fields
  • Equipment for nuclear power plants
  • Tire and rubber machinery
  • Plastic processing machinery
  • Ultra-high-pressure presses
  • Vapor deposition systems
  • Metalworking machinery
  • Plants (steel rolling, nonferrous metals, etc.)
  • Internal combustion engines


  • Compressors
  • Refrigeration compressors
  • Heat pumps
  • Energy-saving turbine generators


The Engineering Business has engineering capabilities that combine and integrate original, industry-leading processes, technologies, and expertise. Kobe Steel contributes to society by providing valueadded solutions that flexibly meet a wide variety of customer needs.

Main Products and Businesses


  • Direct reduction ironmaking
  • Pelletizing
  • Petrochemical
  • Nuclear power-related
  • Water treatment
  • Waste treatment, etc.

Social infrastructure

  • Civil engineering
  • Urban transit systems

Chemical and foodstuff

  • Chemical and food processing equipment

Construction Machinery

Kobelco Construction Machinery Co., Ltd. strives to create further value and build affluent societies as a construction machinery manufacturer whose strength, through management integration with Kobelco Cranes Co., Ltd. on April 1, 2016, lies in having two areas of expertise: excavators and cranes. In addition to current environmental technologies for low fuel consumption and noise, the company will meet customer needs through improved hybrid technology, use of ICT, and development of new products and services to satisfy diverse societal demands. The company is accelerating construction of a global system to meet the needs of different regions and applications, by establishing a network of local subsidiaries and distributors in locations worldwide.

Main Products and Businesses

Civil engineering and construction machinery

  • Hydraulic excavators
  • Mini excavators
  • Mini wheel loaders
  • Road machines

Environmental recycling machinery

  • Metal recycling machines
  • Construction recycling machines
  • Industrial waste recycling machines
  • Forestry machines

Crawler cranes

  • Lattice boom crawler cranes
  • Telescopic boom crawler cranes

Wheel cranes

  • Rough terrain cranes
  • Lattice boom wheel cranes

Electric Power

Our power supply business began in fiscal 2002 and contributes to the stable supply of electricity for the region.

We are also currently pursuing plans to construct additional plants.

Main Products and Businesses

Electric power supply

Other Businesses

The KOBELCO Group pursues an extensive range of businesses that are being continuously refined through repeated selection and concentration. Combining technologies and services from these different businesses in order to identify new value is integral to the identity of the KOBELCO Group.

Main Products and Businesses

Real estate development, construction, sales, brokering, remodeling; leasing, building management; condominium management; special alloys and other new materials (target materials, etc.); material analysis and testing; high-pressure gas cylinder manufacturing; superconducting products; general trading company

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