CK45 Steel: Leading the Way in High-Temperature Applications

Specifications of CK45 Steel: Leading the Way in High-Temperature Applications

CK45 steel is a medium carbon steel that is commonly used in high-temperature applications due to its excellent thermal stability and mechanical properties. It is widely known for its high strength, good machinability, and weldability, making it suitable for various industrial applications. Here are the specifications of CK45 steel:

Mechanical Properties:

– Tensile Strength: The minimum tensile strength of CK45 steel is typically around 600-800 MPa, depending on the heat treatment and manufacturing process.

– Yield Strength: The yield strength of CK45 steel is generally about 350-500 MPa.

– Elongation: CK45 steel exhibits an elongation of approximately 14-20%, depending on the specific heat treatment and machining process.

– Hardness: Depending on the heat treatment, CK45 steel typically has a hardness range of 170-210 HB.

Chemical Composition:

The chemical composition of CK45 steel is as follows:

– Carbon (C): 0.42-0.50%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.15% max
– Nickel (Ni): 0.25% max

High-Temperature Applications:

CK45 steel is highly suitable for various high-temperature applications due to its thermal stability and excellent mechanical properties. It can withstand elevated temperatures while maintaining its strength and structural integrity. Some common high-temperature applications for CK45 steel include:

1. Heat Exchangers: CK45 steel is used in the fabrication of heat exchangers due to its high resistance to thermal stress and excellent heat transfer properties.

2. Furnace Components: CK45 steel is commonly used in the construction of furnace components such as furnace doors, hearths, and linings due to its ability to withstand high temperatures without deformation or loss of mechanical properties.

3. Boiler Tubes: CK45 steel is also utilized in the production of boiler tubes, which are exposed to high temperatures and pressures. Its excellent thermal stability ensures the durability and integrity of the tubes in such demanding environments.

4. Automotive Industry: CK45 steel is used in the manufacturing of various automotive components that are exposed to high temperatures, such as engine parts and exhaust systems.

In conclusion, CK45 steel offers exceptional mechanical properties and thermal stability, making it a leading choice for high-temperature applications. Its high strength, good machinability, and weldability make it a versatile material for various industries, including heat exchangers, furnaces, boilers, and the automotive sector.
Ck45 Steel grade
1698559830