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SeAH CSS

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 Changwon Integrated Special Steel is making its next bold move.

  • Wire Rods

    Wire Rods

    Wire rods are widely used in various applications across industries, 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 core industrial materials for various applications, including automobile parts, turbine blades for power plants, ship-building shafts, and precision machines. Various heat treatments and surface processing technology are offered to produce custom-tailored products.

    • Automotive transmission parts, Gears for industrial machines, Automobile parts, Forging punches, Enginge Valves, Semiconductors and vacuums, Facility parts

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  • STS Seamless Pipes & Tubes

    Steel pipes

    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

    Free 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
  • Special Alloys

    Special Alloy

    Special alloys and military materials must be highly-functional and ultra-clean. At SeAH Changwon Integrated Special Steel, we are equipped with outstanding internal quality control systems based on vacuum induction dissolution and a special refining process. Our products include state-of-the-art items such as power plant turbine blades, parts with ultra- corrosion and heat resistance, and parts to be used in the defense and aerospace industries.

    • Ultra heat-resistant alloy for gas turbine blades, Special alloy for high-voltage power line cores (INVAR), Tank & gun tube materials, Ammunition materials

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Company Overview

No.1 special steel brand

SeAH Changwon Integrated Special Steel products are everywhere around you.

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