Uses of steel coils
Release time:
2025-04-25
Mechanical parts: Hot-rolled steel coils are used for high-strength components such as gears and bearings; stainless steel coils are used for corrosion-resistant scenarios such as chemical equipment and food processing machinery.
As the basic material of modern industry, steel coils cover many fields such as construction, manufacturing, and home appliances, mainly due to their high strength, corrosion resistance and easy processing. Here is a summary of its core uses:
1. Construction and Infrastructure
Building Structure: Hot-rolled steel coils and galvanized steel coils are widely used in roofs, walls, beams and columns and bridges, because their compressive strength and weather resistance can ensure structural stability.
Decorative materials: Color-coated steel coils are often used for building exterior wall decoration due to their rich colors and anti-corrosion properties.
2. Auto and Transport
Body and Chassis: The high precision and strength of cold-rolled steel coils are suitable for automotive body manufacturing, while galvanized steel coils are used for corrosion-resistant components (such as chassis).
Ship and Bridges: The high strength and weldability of hot-rolled steel coils make it the first choice for ship hulls and bridge structures.
3. Home appliances and consumer goods
Home Appliance Case: Cold-rolled steel coils and color-coated steel coils are used in refrigerators, washing machines and other home appliances due to their surface finish and aesthetics.
Roller shutter doors and windows: The scratch resistance of steel coils makes it an ideal material for rolling shutter doors and window frames.
4. Mechanical and Industrial Equipment
Mechanical parts: Hot-rolled steel coils are used for high-strength components such as gears and bearings; stainless steel coils are used for corrosion-resistant scenarios such as chemical equipment and food processing machinery.
Pressure vessel: Steel plates for high-pressure vessels must have pressure resistance and welding properties, and are often used in petrochemical equipment.
5. Other special areas
Aerospace and Medical: Stainless steel coils are used in spacecraft components and medical devices due to their high temperature and corrosion resistance.
Energy and Pipelines: Spiral steel pipes are made of hot-rolled steel coils and are used in oil and gas transportation pipelines.
Summary of key advantages
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Steel plates are alloyed products of iron, and they meet the needs of different industrial scenarios through composition and process optimization. If corrosion-resistant or high-strength materials are required, stainless steel plates or special steel plates are more suitable; pure iron is mostly used in laboratories or special electromagnetic fields.
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Is the steel structure the main structure?
The core function of the main structure is to transfer loads and ensure overall safety. If the steel structure is only used for decoration or local reinforcement (such as adding a mezzanine), it does not have the function of the main structure.
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Raw material composition: Molten iron is the main raw material, supplemented by scrap steel, slag-making materials (lime, fluorite, etc.) and deoxidizers (ferrosilicon, ferromanganese, etc.).
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Is carbon steel plate a cold rolled plate?
The specific production process of the cold-rolled plate includes multiple rolling and annealing treatments at room temperature to obtain steel plates with a thickness of less than 4 mm. This process not only improves the surface quality and dimensional accuracy of the steel plate, but also gives it good mechanical properties and machining properties. Therefore, there are obvious differences in production process and performance between cold-rolled plates and carbon steel plates.
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The coiled steel will be inspected, cut (sliced to specified sizes) and packaged, and will eventually become a finished product for easy storage and transportation.
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Difference Between Rebar and Steel Rod
The choice of rebars or steel bars should be based on project requirements. Rebars are suitable for concrete reinforcement, while steel bars are used for large steel structures that require higher bearing capacity. For more information about specific models (such as 20MnSi rebars or SNCM220 round steel), please refer to relevant standards or manufacturer data.
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