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Considerations Mechanical requirements: If used as supporting components of building structures, such as bridges, building frames, etc., the required strength and stiffness must be calculated based on load-bearing weight, span, etc., and thicker stainless steel coils should be selected, such as 8-20mm; for general decorative purposes, such as wall decoration, elevator interiors, etc., the requirements for mechanical properties are relatively low, and a thickness of 0.8-2mm is usually sufficient. Corrosion resistance requirements: In highly corrosive environments, such as chemical industry and marine engineering, in order to ensure long-term use, thicker stainless steel coils need to be selected, generally 6-16mm, to provide sufficient corrosion margin; in indoor dry environments, such as decoration in ordinary office spaces, corrosion resistance requirements are not high, and a thickness of 0.5-1.5mm can basically meet the requirements. Processing technology: For applications that require complex bending, stamping, etc., such as kitchen utensils, home appliance casings, etc., in order to avoid breakage during processing, it is recommended to choose thinner stainless steel coils, usually 0.3-3mm; for applications that require simple cutting and welding, such as building roofs, thicker stainless steel coils, 3-8mm, can be selected. Cost budget: The greater the thickness of the stainless steel coil, the higher the cost. On the premise of meeting the usage requirements, the appropriate thickness should be selected according to the project budget. For small projects with limited budgets, the thickness standard can be appropriately reduced; for large and important projects with sufficient budgets, performance should be given priority and the appropriate thickness should be selected. Thermal performance requirements: In equipment such as heat exchangers that require good thermal conductivity, stainless steel coils of 4-10mm can be selected to meet the thermal conductivity requirements; used for heat insulation or occasions that do not require high thermal conductivity, the thickness has little effect on thermal performance, and the appropriate thickness can be selected based on other factors. Anything you need still according to your actual requirements. Hua steel company will do some professional instruction!