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Driven by a passion to become the world’s leading special steel maker - Fueled by a challenging spirit and powered by a competitive edge. SeAH is making its next bold move.

  • Special Steel

    Special Steel

    SeAH is the top special steel maker in Korea.
    Our products are key components in automotive,
    construction, industrial, and energy industries.

    • We produce a wide range of standard rolled and forged materials, reaching more than 3 million tons every year.
    • Our products are known for their durability, resistance against wear and impact, high toughness, as well as reduced weight.
    • We make it all---carbonized steel, H Steel, alloy steel, special purpose steel, bearing steel and toll steel.

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  • Wire Rods

    Wire Rods

    Wire rods are widely used in the industry to make a variety of products, including springs, bolts and nuts, wire ropes, mesh, drawn bars, and reinforced bars for construction projects.

    • Springs, Bolts and nuts, Wire ropes, Bellows, Precision shafts

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  • Round Bars

    Round Bars

    Round bars are the core industrial materials for automobile parts, turbine blades for power plants, ship-building shafts, precision machines, etc. Various heat treatments and surface processing technology are offered to produce custom-tailored products.

    • Automobile transmission parts, Gears for industrial machines, Automobile parts, forging punches, Semiconductor and vacuum, facility parts

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  • STS Seamless Pipes & Tubes

    STS Seamless Pipes & Tubes

    At SeAH Changwon Integrated Special Steel, seamless pipes and tubes are manufactured with extrusion techniques unlike other general welded steel pipes.

    • Power plant boiler tubes, Petrochemical heat exchanger tubes, Semiconductor precision steel pipes and tubes, Shipbuilding and marine engineering plant pipes

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  • Flat Bars / Square Bars

    Flat Bars / Square Bars

    Used for industrial applications requiring high strength and excellent wear resistance, such as press molds, extrusion dies and knives.

    • Plates for press molding, Shear knives, Vehicle bumper molds
  • Open Die Forgings

    Open Die Forgings

    SeAH Changwon Integrated Special Steel outstanding forging techniques are the key for manufacturing various types of products, including marine engine parts and Propeller shaft/intermediate shaft, rudder stock, roll and shells. New product development and quality enhancement are also emphasized to keep up with customer demands favoring higher levels of sophistication and dimension.

    • Propeller shaft/intermediate shaft, rudder stock, Crank Shafts, Tube sheet, Work rolls, Large shells

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  • Semi-Products

    Semi-Product

    Billets and ingots are manufactured via an ultra-clean refining process and supplied for our clients’ rolled and forged product materials.

    • Continuous Cast Billets, Rolled Billets, Ingots

Company Overview

No.1 special steel brand

SeAH’s products are everywhere around you.

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