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Household appliances (IH heating)

Release time:

2026-01-16

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Household appliances (IH heating)

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Applications of stainless steel coils in several major industries

Applications of stainless steel coils in several major industries

From the perspective of application industries for stainless steel coils, the automotive industry is currently the fastest-growing sector for their use. Over the past decade, Japan’s consumption of stainless steel coils for automotive applications has risen from an average of 10 kg to 30 kg, while in the United States it has exceeded 40 kg. Public transportation vehicles such as large buses, subways, and high-speed railways have also widely adopted stainless steel coils. China’s home appliance industry represents a significant potential market for stainless steel coil applications. Additionally, demand for stainless steel coils will continue to rise annually in sectors including water treatment, construction and infrastructure, environmental protection, and industrial facilities. I. Vehicle and Automotive Industry This is currently the fastest-growing sector for stainless steel coil applications. Using high-strength stainless steel coils to manufacture vehicle bodies can significantly reduce vehicle weight and enhance structural strength. Employing stainless steel coils for vehicle panels and decorative components can lower maintenance costs. Moreover, due to their resistance to chloride-ion corrosion and heat resistance, stainless steel coils are increasingly used in automotive exhaust systems. Currently, countries such as Japan, the United States, and Sweden have extensively adopted stainless steel coils in vehicles. Japan began promoting their use in the 1980s, and today, 60% of its railway vehicles are made with stainless steel coils. The passenger car industry is actively developing new applications for stainless steel coils. II. Water Industry The issue of water contamination during storage and transportation has received growing attention. Extensive practical experience has shown that stainless steel coils are an excellent material choice for various water-related processes, including water preparation, storage, conveyance, purification, regeneration, and desalination. Their advantages include corrosion resistance, earthquake resistance, water conservation, hygienic properties (free from rust and copper-green discoloration), light weight (reducing weight by one-third), low maintenance requirements, long service life (up to 40 years), low life-cycle cost (LCC), and being a recyclable, environmentally friendly material. According to reports, in Tokyo, Japan, the proportion of pipelines made from stainless steel coils has reached 76%, reducing the pipeline leakage rate from the original 14.7% to the current 7.5%. After the major earthquake in Osaka, Japan, stainless steel coil storage tanks remained completely undamaged. Japan has developed corrugated pipe fittings that reduce the construction costs of stainless steel coil water pipelines by 20%, total costs by 3%, and maintenance costs by three-quarters. III. Construction Industry This is one of the earliest sectors to adopt stainless steel coils. In architectural decoration, stainless steel coils are now mainly used for cladding exterior walls, interior spaces, and exterior columns of high-rise buildings, as well as for handrails, flooring, elevator wall panels, doors and windows, curtain walls, and other interior and exterior decorative elements. Stainless steel coils treated with surface finishing, coloring, or plating have solved issues such as fingerprints easily left on the surface, further expanding the scope of their application. Japan has developed various stainless steel coil roofing materials, including high- and medium-chromium ferritic grades with better corrosion resistance and different types of coated sheets. Sweden’s super-clean brushed-surface stainless steel coils and France’s UGITOP surface panels developed by Ugine provide new options for the construction industry. IV. Home Appliance Industry In the home appliance industry, stainless steel coils are heavily used in components such as washing machine drums, water heater inner tanks, microwave oven casings (both internal and external), refrigerator liners, and most commonly, ferritic stainless steel coils. Western Europe has a relatively high proportion of stainless steel coils used in household appliances; in Asia, aside from Japan, which is close to European levels, usage is generally lower. In 1999, Japan’s home appliance industry consumed 28% ferritic and martensitic stainless steel coils, while austenitic coils accounted for 12%. China’s domestically produced microwaves, refrigerators, air conditioners, and televisions are already competitive export products worldwide, making the domestic home appliance industry a significant potential market for stainless steel coil applications. It is estimated that over the next 5–10 years, China’s demand for stainless steel coils in the home appliance industry will reach 100,000–150,000 tons. V. Environmental Protection Industry Industrial waste gas, waste disposal, and wastewater treatment equipment all require stainless steel coils for manufacturing. During flue gas desulfurization, to resist corrosion from sulfur dioxide, chloride ions, and iron ions, duplex stainless steel coils and high-grade austenitic stainless steel coils are needed for absorption towers, coolers, pumps, valves, and flues. Waste incinerators and wastewater treatment facilities also require high-performance stainless steel coil materials. VI. Industrial Facilities In developed countries, the proportion of stainless steel coils used in industrial facilities typically reaches 15%–20%; currently, the domestic adoption rate remains quite low. This is partly because stainless steel coil materials are not systematically counted in imported industrial equipment sets, and partly because domestic materials have yet to be widely adopted. Industries such as chemical engineering, petrochemicals, synthetic fibers, papermaking, food processing, pharmaceuticals, and energy (nuclear power, thermal power, fuel cells) all require stainless steel coils. Furthermore, many existing imported devices are entering their maintenance periods. With the development of specialized grades of domestically produced stainless steel coils, the use of stainless steel coils in domestic industrial facilities will increase year by year in the future.

2019-08-07

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