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Carbon Steel Plate: A Comprehensive Analysis Of Common Materials, Dimensions And Applications


Carbon Steel Plate is a type of steel widely used in the industrial field. Its main feature is that the mass fraction of carbon is between 0.0218% and 2.11%, and it does not contain specially added alloying elements. Steel Plate have become the preferred material for many engineering components, mechanical parts and tools due to their excellent mechanical properties and relatively low price s. The following is a detailed introduction to Carbon Steel Plate, including common grades, dimensions, and the application scenarios of steel plates of corresponding sizes and materials.

Hot Rolled Steel Plates

I. Common Grades

There are numerous grades of Hot Rolled Carbon Steel Plates, which are classified based on factors such as carbon content, smelting quality, and application. Common carbon structural steel grades include Q195, Q215, Q235, Q255, Q275, etc. These grades mainly indicate the yield strength of the steel. The higher the number, the higher the yield strength. The grades of high-quality carbon structural steel are expressed in terms of the average mass fraction of carbon, such as 20# and 45#, where 20# indicates a carbon content of 0.20%. In addition, there are some special-purpose Steel Plate, such as SM520 for oil storage tanks and 07MnNiMoDR for cryogenic pressure vessels.

2. Dimensions

The size range of Hot Rolled Carbon Steel Plate is extensive, with thicknesses ranging from a few millimeters to several hundred millimeters, and widths and lengths are also customized according to requirements. Common thickness specifications range from 3 to 200mm. Among them, hot rolling technology is mainly used to produce medium and thick plates such as 20#, 10#, and 35#, while cold rolling technology is mainly used to produce round steel and other products. The size selection of Q235 Carbon Steel Plate should be determined based on specific application scenarios and load-bearing requirements.

Hot Rolled Carbon Steel Plate

3. Application Scenarios

Low-carbon steels such as Q235 Carbon Steel Plate have excellent plasticity and weldability, and are widely used in fields such as Bridges, ships, and building components. These fields require materials to have certain strength and toughness, while being easy to process and weld.

High-quality carbon structural steels such as 2.20# and 45# are mainly used for manufacturing mechanical parts, such as crankshafts, rotating shafts, and shaft pins. These parts require materials to have high strength and wear resistance to ensure the normal operation and service life of the machinery.

Steel for oil storage tanks such as SM520 has high strength and toughness and is suitable for manufacturing large oil storage tanks. These storage tanks need to withstand considerable pressure and weight, and at the same time, the materials required have good welding performance and corrosion resistance.

4.07MnNiMoDR and other low-temperature pressure vessel steels are mainly used for manufacturing large oil storage tanks, oil production platforms, etc. These devices need to operate in a low-temperature environment, and the materials required have excellent low-temperature toughness and strength.

Q235 Carbon Steel Plate

In conclusion, Hot Rolled Steel Plate have become indispensable materials in the industrial field due to their excellent performance and wide range of applications. When choosing Steel Plate, it is necessary to determine the appropriate grade and size based on specific application scenarios and requirements to ensure that the material can meet the usage needs and achieve the best performance.

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Email: sales01@royalsteelgroup.com(Sales Director)

Tel / WhatsApp: +86 153 2001 6383

ROYAL GROUP

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Post time: Jun-12-2025