INNOVATION

R&D

Dong-A Special Metal has integrated technologies covering critical material recycling, alloy manufacturing, and surface treatment.
Based on these capabilities, we develop high-quality materials for advanced industries such as aerospace and energy.

  • What is Core Material Pretreatment Technology?

    A technology for pretreating used and discarded critical material scrap to a level suitable for reuse.

    Unlike conventional wet pretreatment methods, Dong-A Special Metal utilizes an environmentally friendly dry process to resize materials and remove surface impurities.
    Through this process, we ensure consistent material quality and uniformity while achieving physical and chemical properties comparable to those of conventional alloys.

    • Environmentally Friendly Dry Process

    • Material Resizing

    • Surface Impurity Removal

  • What is Alloy Manufacturing Technology?

    A technology for combining individual metal materials to produce new metal alloys tailored to industrial requirements.

    Unlike conventional wet pretreatment methods, Dong-A Special Metal utilizes an environmentally friendly dry process to resize materials and remove surface impurities.
    High-purity melting (PAM) and composition homogenization (ISM) processes ensure consistent alloy composition and quality.
    Based on these processes, we are capable of producing high-purity, high-quality, and high-performance alloy products.

    • High-Purity Melting (PAM)

    • Composition Homogenization (ISM)

    • High-Quality Alloy Products

  • What is Metal Surface Treatment Technology?

    A technology that controls the physical and chemical properties of metal surfaces to maximize processing efficiency and usability.

    By integrating and optimizing pickling, washing, and coating processes, Dong-A Special Metal simplifies the overall process while improving production efficiency.
    This enables reduced processing costs as well as improved surface hardness and quality.

    CONVENTIONAL PROCESS

    Surface Treatment Process

    Pickling

    Washing

    Coating

    Annealing

    IMPROVED PROCESS

    Surface Treatment Process

    Process steps eliminated and shortened through
    the development of a new process

    Annealing