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Production Of Stainless Steel Cold Rolled Coil Using Stainless Steel Scrap

Cold rolling is a work hardening treatment for stainless steel that is widely used to alter the metal's structure. Cold rolled stainless steel is utilised as a raw material in a variety of medical, aerospace, and automotive applications. Continue reading to learn more about cold rolled steel, including what it is, how it is manufactured, and what applications it can serve. Cold rolling steels' primary purpose is to reduce the thickness of hot rolled steel strips (usually 1.5 mm to 5 mm) to thinner thicknesses (normally 0.12 mm to 2.5 mm) that are impossible to achieve in a hot strip mill. Cold rolling is used to improve the surface polish of steels, improve thickness tolerances, provide a variety of 'tempers,' improve physical attributes, and prepare the strip for surface coating, among other things. Hot rolled steel strips are cold rolled at room temperature, below the temperature of recrystallization. In the cold rolling method, the hot rolled strip is usually not heated before being rolled. Frictional energy, on the other hand, is converted to heat at the contact surfaces of the strip. This heat might boost the temperature of the strip being rolled from 50 to 250 degrees Celsius in a rapid adiabatic process. Cold rolling of pickled hot rolled strip is achieved by passing steel strip through a rolling machine with an entry end reel for uncoiling the pickled hot rolled coil and an exit end reel for coiling the cold rolled strip. The cold reduction is done in the middle by one or more (typically up to six) rolling mill stands. Each mill stand uses vertically stacked rolls powered by huge motors to exert tremendous compressive stresses to the strip. Mill stands are available in heights of two, four, or six feet. Because they provide the most benefit over the other two types, 4-high stands are more typically used. Cold rolled steel, abbreviated as CRS, is well-known for being a ductile material that is ideal for precision applications. It's used in a wide range of products, including household appliances, furniture, lockers, and filing cabinets. Garages, steel sheds, and other industrial structures are typically constructed with CRS. A cold rolled stainless steel coil can be precision manufactured, allowing the metal to be made to extremely tight tolerances. By cold rolling stainless steel and work hardening it, we may achieve a variety of tempers, including quarter-, half-, and full hard. The hardness degree of steel is determined by the amount of cold work done on it. Quarter-, half-, and full-hard stock reductions are more significant (sometimes up to 50 percent ). This boosts the yield point while reducing the ductility of the steel. Quarter-hard steel can be bent back over itself without breaking, but half-hard steel can be bent at a 90-degree angle and full-hard steel at a 45-degree angle without breaking. In situations where the metal must be bent without breaking, cold rolled metal is typically used. Stainless steel cold rolled coil is used in construction, surgery, kitchen necessities, and other industries. External handrails and bannisters can be built of 304 stainless steel, which has good weldability and processing qualities. 316 stainless steel is perfect for kitchen essentials such as equipment, cutlery, and cookware, and it comes in a variety of shapes and corrosion resistance. 316L stainless steel is suited for high-consistency medical and surgical applications. The market for stainless steel strips is expected to rise due to its favourable properties such as corrosion resistance, enhanced formability, weld ability, and attractive appearance, resulting in increased demand from a variety of end-use sectors. Future growth opportunities for stainless steel strips are projected to be driven by rising demand for product penetration in consumer base products such as refrigerators, ventilation systems, dishwashers, sinks, and prep tables. The stainless steel strips market is expected to grow significantly in various applications in the following year. Supply disruptions and fluctuations in the cost of raw materials required to manufacture stainless steel strips, on the other hand, may impede the market's growth. The worldwide steel strips market has been significantly fragmented as a result of the strong presence of multinational corporations around the world, as well as the existence of a large number of local and regional market competitors. Because of the increasing growth of end-user sectors in Asia Pacific, such as construction and consumer goods, the region is expected to consume a large amount of the stainless strips market. Due to their quickly growing automotive, construction, and other manufacturing industries, India, China, and South Korea are projected to lead the market for stainless steel strips. Industry Major Market Players ? ArcelorMittal ? China Baowu Steel Group ? Nippon Steel and Sumitomo Metal ? JFE Steel Corporation ? Ansteel Group ? Tata Steel ? Hesteel Group ? POSCO ? Nucor Corporation ? Benxi Steel Group ? Shougang ? Shagang Group ? NLMK Group ? ThyssenKrupp ? JSW Steel Ltd ? Maanshan Steel
Plant capacity: Stainless Steel 202 Series Strip Coil (0.02 mm to 3 mm): 140.0 MT per day Stainless Steel 304 Series Strip Coil (0.02 mm to 3 mm): 100.0 MT per day Stainless Steel 405 Series Strip Coil (0.02 mm to 3 mm):93 MT per dayPlant & machinery: 24 Cr
Working capital: -T.C.I: Cost of Project: 83 Cr
Return: 28.00%Break even: 47.00%
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  • T.C.I is Total Capital Investment
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