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Pohang Iron and Steel Co - Posted By zhangxiaosan (zhangxiaosan) on 11th Jun 18 at 6:25am
The Posco Co Ltd is the largest steel production enterprise in the world. The annual output of crude steel in 1998 reached 25 million 570 thousand tons, and it took the place of Japan's new Japan Steel Corp for the first 30 years of the world's gross steel production.300Lbs thickness 300lb carbon steel blind flanges
The products of the company are mainly carbon steel, but since 1980s, with the development of the automobile industry, electronic industry and new industry, the demand for steel products in the market has developed in the direction of advanced, multi variety and small batch. The Pohang Iron and Steel Co has adjusted the product structure in time, stainless steel sheet and coating steel. The proportion of high value-added products such as plates, automobile steel plates and so on increased year by year. At the same time, the company invested in the construction of new smelting, continuous casting and rolling facilities at its Pohang plant, and is expected to be completed in 2003. The project includes the introduction of third electric furnaces for stainless steel smelting, new continuous casting facilities, new pickling annealing line, and a new heat treatment furnace with a capacity of 200t / h. The company said that in order to produce more stainless steel rolls, the 1 hot strip mill will be expanded. After the completion of the project, the Pohang Iron and Steel Co's hot rolling production capacity will increase by 450 thousand tons, and the production capacity of stainless steel coarse steel will be increased from 1 million 130 thousand tons to 1 million 660 thousand tons, which will become the world.
It is the second largest stainless steel hot rolling mill after Germany's Krupp tyre stainless steel company.Magnetic low carbon steel ball soft ball
The products of Pohang Iron and Steel Co have strong competitiveness in the international market, which comes from low cost, high efficiency, good quality, reasonable product structure and the demand for market. In order to further improve its status in the world, the company invested directly abroad to produce local sales in place to gain higher profits. By 1997, 25 wholly owned and joint ventures had been established in the United States, China, Vietnam, Indonesia and Thailand. There were 9 joint ventures or sole proprietorship companies in China, of which Zhangjiagang was in China. Pohang stainless steel company was put into operation in January 1999, producing an annual output of 110 thousand tons of stainless steel cold rolled sheet. In October 2002, the Pohang Iron and Steel Co signed a joint investment of 180 million US dollars with Qingdao iron and Steel Group Company to build a joint venture of 150 thousand tons of cold rolled stainless steel plate in Qingdao. It is expected to be completed and put into production in 2005, which is also one of the biggest projects in the production of cold rolled stainless steel plates in China.
The stainless steel production process of Pohang Iron and Steel Co Pohang factory is as follows:
The characteristics of the process flow can be summarized as follows:
The 1, two step steelmaking method and three step steelmaking method are used.
2, long profile and plate can be produced.
The stainless steel products of the Pohang Iron and Steel Co include hot rolled strip, cold rolled sheet, cold rolled strip, hot rolled plate, and round steel, square steel, flat steel, six angle steel and small angle steel, wire and seamless pipe.Sus 304 Stainless Steel Wire