We are progressing to become a global leader through continuous technology development and quality innovation.

This is KOSTEEL's flagship product that is widely used in various household items such as interior finishes, landscaping, stationery, steel nails, hangers, and wire mesh as well as commonly used in industrial fields such as architecture, civil engineering, and automobiles.

Currently, we produce mild steel wire rods with a diameter of 5.5-14 mm in accordance with the standards of KSD3554 with the highest quality. We have maintained our top position in the industry through continuous product development and quality innovation. In addition, recently, we have strived to develop overseas markets by acquiring Japanese Industrial Standards (JIS) and CE certifications.

* Mild steel wire rod is made of steel with a carbon content of 0.22% or less.

Online inquiries SPEC

Mild steel wire rod SPEC

  • Excellent processing quality

    Excellent ductility and toughness make processing easy.

  • Customized production

    We have a wide range of steel types and can produce customized products for our customers.

  • Excellent raw materials

    We use raw materials made with the excellent technology of POSCO and Hyundai Steel.

  • Small quantity production of wide varieties

    Our delivery time is fast due to our system of multi-variety, small-volume production.

Production area :
KOSTEEL Pohang Plant (35, Hodong-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do)
Producing capability :
400,000 tons / year
Product certification status :
- Korean Industrial Standards㉿: KSD 3554 KSA 5835
- Japanese Industrial Standards(JIS): JIS G3505 KSKR 10024
- ISO 9001
- CE certification: NO.2133/3/2011 97/23/EC ANEX
- American Society for Testing and Materials
  (ASTM): ASTM A 751 #4753 ACCORDING TO A 510
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  • Quality Management System (KSA_QMS-3350) and many others
  • Korean Industrial Standards㉿_KS D3504, Korean Industrial Standards㉿_KSD3554, Korean Industrial Standards㉿_D7017
  • Japanese Industrial Standards_G 3112, Japanese Industrial Standards_G 3505, Japanese Industrial Standards_g 3532

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