S235JR is a non-alloy structural steel grade, commonly used for general structural and engineering purposes. It provides excellent structural integrity and stability to support various loads and construction requirements.

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S235JR carbon steel exhibits good weldability, allowing for easy joining through common welding techniques such as arc welding, MIG welding, and TIG welding. This property enables the fabrication and assembly of components or structures using S235JR steel.

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S235JR carbon steel offers moderate tensile strength, which is sufficient for many structural applications. It provides the necessary strength to withstand typical loads and forces encountered in construction and engineering projects.

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S235JR carbon steel has good formability, allowing it to be easily formed and shaped into various structures and components. It can be bent, rolled, and fabricated into different shapes without significant cracking or deformation.

Carbon Steel Plate Thickness Measurement

S235JR carbon steel exhibits excellent machinability, enabling efficient and precise machining operations such as drilling, milling, and turning. It allows for the production of components with complex shapes and tight tolerances.

The manufacturing technology for S235JR carbon steel plates typically involves the following steps:

1. Steelmaking: The steelmaking process begins with the melting of iron ore in a blast furnace. Iron ore, along with other materials such as limestone and coke, is charged into the furnace. The intense heat generated by burning coke helps to reduce the iron ore to molten iron, which is then refined to remove impurities and adjust the carbon content to the desired level. In the case of S235JR carbon steel, the carbon content is typically around 0.17% to 0.20%.
2. Continuous Casting: Once the molten steel is refined, it is cast into continuous casting machines. This process involves pouring the molten steel into a water-cooled mold, which continuously produces a solidified steel slab or billet. Continuous casting helps achieve consistent dimensions and reduces the need for further processing.
3. Hot Rolling: The solidified steel slab or billet is then reheated to a rolling temperature and passed through a series of rolling mills. The hot rolling process involves reducing the thickness and shaping the steel into the desired plate dimensions. The hot rolling process also refines the microstructure of the steel, improving its mechanical properties and reducing internal stresses.
4. Heat Treatment: After hot rolling, S235JR carbon steel plates may undergo heat treatment processes to further enhance their properties. Heat treatment methods such as normalization or controlled cooling may be employed to modify the microstructure and improve the mechanical properties of the steel.
5. Surface Treatment: Depending on the intended application, S235JR carbon steel plates may undergo surface treatments to improve their appearance, protect against corrosion, or enhance certain functional properties. Common surface treatments include shot blasting, painting, galvanizing, or applying protective coatings.
6. Quality Assurance: Throughout the manufacturing process, quality control measures are implemented to ensure that the produced S235JR carbon steel plates meet the required specifications and standards. This involves inspections, testing, and dimensional checks to verify the mechanical properties, chemical composition, and dimensional accuracy of the plates.

S235JR carbon steel plates have various applications due to their good combination of strength, formability, and weldability. Some common applications of S235JR carbon steel plates include:

1. Structural and Construction Components: S235JR carbon steel plates are widely used in the construction industry for manufacturing structural components such as beams, columns, and trusses. Their good strength and formability make them suitable for supporting loads and creating durable structures.
2. Automotive Frames and Chassis: S235JR carbon steel plates find application in the automotive industry for manufacturing frames and chassis components. Their combination of strength, formability, and weldability makes them suitable for withstanding the forces and impacts experienced in automotive applications.
3. Pipelines and Pipeline Components: S235JR carbon steel plates are used in the oil and gas industry for manufacturing pipelines and pipeline components. Their good weldability and resistance to corrosion make them suitable for transporting fluids and gases under various conditions.
4. Machinery and Equipment Manufacturing: S235JR carbon steel plates find use in the manufacturing of machinery and equipment components such as machine frames, brackets, and supports. Their good strength and formability allow for the production of reliable and robust machinery.
5. Storage Tanks and Containers: S235JR carbon steel plates are employed in the manufacturing of storage tanks and containers used in various industries. Their weldability and resistance to corrosion make them suitable for storing liquids, gases, and bulk materials.
6. Bridges and Infrastructure: S235JR carbon steel plates are used in the construction of bridges and infrastructure projects. Their good strength, formability, and weldability make them suitable for supporting heavy loads and withstanding the environmental conditions encountered in bridge construction.
7. General Fabrication: S235JR carbon steel plates are widely used in general fabrication processes, including welding, cutting, and forming. Their versatility and ease of fabrication make them suitable for various applications in industries such as construction, manufacturing, and fabrication.

Carbon steel plates are typically packaged to ensure safe transportation and protection against damage. The packaging methods may vary depending on the size, shape, and quantity of the plates, as well as the specific requirements of the supplier or customer. Here are some common packaging options for carbon steel plates:

1. Wooden Pallets or Skids: Carbon steel plates are often stacked on wooden pallets or skids. The plates are securely placed on top of each other, and wooden separators or dunnage may be used between the layers to prevent direct contact and minimize the risk of scratching or deformation.
2. Steel or Metal Frames: For larger or heavier carbon steel plates, steel or metal frames may be used for packaging. The plates are secured within the frame using straps or bands to ensure stability during transportation.
3. Protective Wrapping: Carbon steel plates may be wrapped with protective materials such as plastic film or kraft paper to safeguard them against moisture, dust, and scratches. The wrapping also helps to prevent corrosion during storage and transportation.
4. Steel Strapping or Bands: Carbon steel plates are often secured with steel strapping or bands to hold them firmly in place and prevent shifting or movement during transit. The strapping is typically tightened using appropriate tools or equipment.
5. Labeling and Identification: Each package of carbon steel plates is usually labeled with relevant information, including plate dimensions, grade, quantity, and any other specific details required by the customer or regulatory standards.
6. Documentation: The package may include necessary documentation such as packing lists, delivery notes, and certificates of compliance or quality assurance.