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Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc.
West Midlands is a metropolitan and ceremonial county in the larger West Midlands region of England. A landlocked county, it is bordered by Staffordshire to the north and west, Worcestershire to the south, and is surrounded by Warwickshire to the east. The largest settlement is the city of Birmingham.
Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 450 °C (842 °F). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O2) to form zinc oxide (ZnO), which further reacts with carbon dioxide (CO2) to form zinc carbonate (ZnCO3), a usually dull grey, fairly strong material that protects the steel underneath from further corrosion in many circumstances. Galvanized steel is widely used in applications where corrosion resistance is needed without the cost of stainless steel, and is considered superior in terms of cost and life-cycle. It can be identified by the crystallization patterning on the surface (often called a "spangle").
Tata Steel Limited is an Indian multinational steel-making company, based in Jamshedpur, Jharkhand and headquartered in Mumbai, Maharashtra. It is a part of the Tata Group.
POSCO is a South Korean steel manufacturer headquartered in Pohang, South Korea. It had an output of 42,000,000 metric tons of crude steel in 2015, making it the world's sixth-largest steelmaker by this measure. In 2010, it was the world's largest steel manufacturing company by market value. Also, in 2012, it was named as the world's 146th-largest corporation by the Fortune Global 500.
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Metinvest is an international group of steel and mining companies that owns operations in Ukraine, Italy, Bulgaria, the UK and the US, mines ore and coal, produces coke, smelts steel and produces rolled products, pipes and other steel products. The group's assets are managed by Metinvest Holding LLC.
The Phenix Works is a steel working factory located in Flémalle-Haute, Liège, Belgium. The business was established in 1905 by Paul Borgnet and became part of SA Phenix Work in 1911. The works specialised in coated steels, such as galvanised, tin plate etc.
Skipper Limited is an Indian transmission and distribution structure manufacturing company, founded in 1981. It is headquartered in Kolkata, India. The company is a part of the SK Bansal Group, promoted by Sajan Kumar Bansal. Skipper Limited operates in the Power transmission and distribution and polymer pipes and fittings segment with presence across sub-segments such as Towers, EPC, Monopoles and Poles. It is the third largest company in India in terms of manufacturing capacity of Power T&D structures. It exports to over forty countries across South America, Europe, Africa, the Middle East, South Asia and Australia.
SeAH Steel Holdings is a South Korean holding company located in Seoul, South Korea. It was founded as a steel manufacturer in 1960 by Lee Jong-Deok with the name of Pusan Steel Pipe Industry Corporation.
References
- ↑ "About Wedge Group, Galvanising facilities, steel industry". www.wedge-galv.co.uk. Archived from the original on 2008-01-21.
- ↑ "Wedge Group opens new £6m plant". Birmingham Post . 24 June 2009. Retrieved 10 July 2012.
- ↑ "Wedge Group Galvanizing Ltd". www.ribaproductselector.com. Retrieved 2019-07-29.