A Comprehensive Guide to the Applications of CK25 Steel Grade

CK25 is a low carbon steel grade that falls under the category of non-alloy steels. It is often used in a variety of applications due to its favorable mechanical properties and chemical composition.

Mechanical Properties:
– Tensile Strength: CK25 has a tensile strength of around 430-530 MPa, which makes it suitable for applications requiring high strength.
– Yield Strength: The yield strength of CK25 is approximately 300-350 MPa, indicating its ability to withstand deformation and stress.
– Elongation: CK25 exhibits good elongation properties, typically ranging from 16-20%, which makes it suitable for applications requiring ductility.
– Impact Resistance: CK25 has excellent impact resistance, enabling it to withstand sudden loads and shocks.
– Hardness: CK25 has a hardness of around 120-145 HB, making it moderately easy to machine and work with.

Chemical Composition (in weight percentage):
– Carbon (C): 0.22-0.28%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.30-0.60%
– Phosphorus (P): max 0.035%
– Sulfur (S): max 0.035%
– Oxygen (O): max 0.020%
– Nitrogen (N): max 0.012%
– Aluminum (Al): max 0.040%
– Copper (Cu): max 0.25%
– Chromium (Cr): max 0.35%
– Nickel (Ni): max 0.30%
– Vanadium (V): max 0.05%

Applications:
1. Automotive Industry: CK25 is commonly used in the automotive industry for manufacturing components such as axles, shafts, crankshafts, and gears due to its high tensile strength and impact resistance.
2. Machinery Manufacturing: CK25 is utilized in the production of machinery parts, including cylinders, pistons, and connecting rods, due to its good machinability and high yield strength.
3. Construction: CK25 finds applications in the construction industry for manufacturing various structural components such as beams, columns, and supports due to its favorable mechanical properties.
4. Pipe Manufacturing: CK25 steel can be used in pipe manufacturing for low-pressure fluid transportation applications, thanks to its good welding properties and reasonable strength.
5. Tool Making: CK25 is sometimes used in tool making industries for manufacturing cutting tools, drills, and blades as it can be hardened to a certain extent and maintain its strength.

It is important to note that while CK25 is suitable for a wide range of applications, it should be appropriately heat-treated and processed to maximize its performance and ensure the desired properties are achieved.
Ck25 Steel grade
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