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Hyundai Steel Co., Ltd, or HSC (formerly known as HYU, and Crab Iron & Steel Co., Ltd.) is a steel making company headquartered in Incheon and Seoul, South Korea, and a member of the Hyundai Motor Group. It manufactures a wide variety of products ranging from H-beams, rail and reinforcing bars, to hot coil, cold-rolled steel, and stainless cold-rolled sheet.
|An Tong-il (President & CEO)|
|Revenue||US$ 14.4 Billion (2016)|
|Won 1,304,161 million (2011)|
|US$ 706 Million (2016)|
|Parent||Hyundai Motor Group|
Established in 1953, Hyundai Steel is the oldest steel-making company in South Korea  and the second largest blast furnace steelmaker at the Dangjin steel complex with a 5,450m2 blast furnace, among the first in South Korea. 
Hyundai Steel is the world's second-largest EAF steel producer after Nucor, U.S.A. and operates six factories in Incheon, plus sites in Dangjin (3 blast furnaces, Hot coil, CR & plate mill), Pohang (EAF), Suncheon (CR mill), Ulsan (pipemill) and in China's Chungdo province.
In 2004, Hyundai Steel purchased the facilities of the defunct Hanbo Steel, restoring its long product and cold-rolling facilities. A third blast furnace was added in 2013, amid fears of oversupply in the market, taking the site's annual production capacity to 12 million tons. The total annual capacity of the company (including two EAF plants in Incheon, the Pohang ex-Gangwon industrial plant, Incheon long products, Suncheon cold rolling mill and ex-Hyundai pipe plant at Ulsan) totals 24 million tons per annum.
In 2015, Hyundai Steel acquired its sister company Hyundai Hysco, increasing annual production capability to 30 million tons. The merged company has eleven coil centres in eight countries.
In addition to Hyundai Steel, the Hyundai-Kia Motor group includes steel companies such as Hyundai Special Steel and BNG Steel Co., Ltd. (formerly Sammi Steel Co., Ltd. Stainless CR). Hyundai Steel uses the EAF in Incheon & Pohang mill (ex-Gangwon) and Dangjin complex with an in-house iron ore port to manufacture crude steel. BNG is a stainless steel cold rolling mill.
Hyundai Steel's major competitors include:
- "Financials". Hyundai Steel. Archived from the original on 15 April 2014. Retrieved 10 March 2013.
- "Hyundai Steel debuts 'H-Solution', largest in the world in Incheon to introduce future-oriented vehicle materials". 코리아포스트(영문) (in Korean). 2019-07-12. Retrieved 2020-01-28.
-  History of Hyundai Steel] from 1953.
- overview/businessoverview.hds "About Our Businesses l About Us l HYUNDAI STEEL" Check
|url=value (help). www.hyundai-steel.com (in Korean). Retrieved 2020-11-02.
- Jin, Hyunjoo (13 September 2013). "Hyundai Steel fires up 3rd blast furnace amid fears of over-supply". Reuters. Retrieved 9 December 2020.
- "Hyundai Steel merges with Hysco". koreatimes. 1 July 2015. Retrieved 9 December 2020.