AIBA Corporation, a distributing agent of Hitachi Metals, Ltd., engages in both sales and manufacturing of Yasugi steel, including cutlery steel, special steel, tool steel cuts, processed plates and forging dies.

English Site

Contact numbers　Tel: +81-256-45-6221 Fax: +81-256-45-6220

Contact form

Product information

Specialized in special steel materials, we provide a variety of products, ranging from precise machinery parts to large machined components.
We strive to meet the needs of our customers by making full use of our profound knowledge, advanced technology and extensive machinery.

List of products (approximately 1,000 tons of storage)

  • High-grade cutlery steel
    We provide the traditional high-grade Yasugi steel.

    High-grade steel products made by Hitachi Metals Yasugi Works
    (Please read the page of specialty steel on Hitachi Metals’ Website for more information.)

    Carbon steel and alloy steel

    • Blue steel 1 and 2
    • Blue steel super
    • White steel 1, 2, and 3
    • White steel for handsaw
    • Yellow steel 2
    • KK

    Stainless steel

    • GIN 1, GIN 3, GIN 5
    • ATS 34, ZDP 189
  • Cold work tool steel
  • Hot work tool steel
  • Mold steel for die casting
  • Plastic mold steel
  • High speed steel
  • Lost-wax casting products
  • MIM products
  • Carbide products
  • Rolls (hot and cold work)
  • Other products from the Hitachi Metals Yasugi Works (Please read Hitachi Metals’ Website for more information)
  • General steel (SS400 oxy-fuel welded products)
  • Structural alloy steel
  • Non-ferrous metal (aluminum, copper, etc.)
  • Products in inventory: approximately 1,000 tons of products
  • Finished products
  • Tools and accessories for air hammers
  • Forging press die holders for hot work and other accessories
  • General and special steel plates
  • Mold bases
  • High-quality blades
  • Steel for cutting tools
  • Precision machinery parts
  • Building foundation material (Hibase)