In the realm of high-temperature alloys, 253MA alloy steel plate emerges as a reliable solution with exceptional heat resistance and corrosion resilience. Let's explore its product standards, chemical makeup, mechanical prowess, heat treatment options, size range, primary applications, and delve into some supply cases facilitated by TJC Steel.

 

Product Standards:

 

253MA alloy steel adheres to several international standards, ensuring consistency and quality across applications. Common standards include ASTM A240, ASME SA240, EN 10028-7, and UNS S30815.

 

Chemical Composition:

 

The composition of 253MA alloy steel is carefully engineered to withstand high temperatures and corrosive environments. Typical chemical composition includes:

 

- Chromium (Cr): 20-22%

- Nickel (Ni): 10-12%

- Silicon (Si): 1.4-2%

- Manganese (Mn): 0.8-1.5%

- Nitrogen (N): 0.1-0.2%

- Iron (Fe): Balancing element

 

This composition grants 253MA excellent oxidation and creep resistance, making it suitable for elevated temperature applications.

 

Mechanical Properties:

 

253MA alloy steel exhibits robust mechanical properties, essential for withstanding extreme conditions. Typical mechanical properties include:

 

- Tensile Strength: ≥550 MPa

- Yield Strength (0.2% Offset): ≥250 MPa

- Elongation: ≥40%

- Hardness (Brinell): ≤217 HB

 

These properties ensure structural integrity and reliability under high-stress conditions.

 

Heat Treatment:

 

253MA alloy steel can undergo various heat treatment processes to enhance its properties. Solution annealing followed by rapid cooling is typically employed to optimize grain structure and mechanical strength.

 

Dimension Range:

 

253MA alloy steel plates are available in a diverse range of dimensions to accommodate different fabrication needs. Thickness ranges from 1.5 mm to 16 mm, with widths up to 2000 mm and lengths up to 6000 mm, offering versatility for various applications.

 

Key Applications:

 

253MA alloy steel finds widespread usage in industries requiring resistance to high temperatures and corrosive environments, including:

 

- Heat treatment equipment: Furnace components, radiant tubes, and fixtures operating at elevated temperatures.

- Chemical processing: Reactors, vessels, and piping systems handling corrosive chemicals.

- Power generation: Boiler components and exhaust systems in thermal power plants.

- Petrochemical: Refinery equipment, including heat exchangers and distillation columns.

 

TJC Steel Supply Cases:

 

TJC Steel, renowned for its commitment to quality and reliability, has supplied 253MA alloy steel for numerous critical projects. Notable supply cases include:

 

- Providing 253MA alloy steel plates for the construction of heat treatment furnaces in a leading aerospace manufacturing facility, ensuring prolonged service life under high-temperature conditions.

- Supplying 253MA alloy steel sheets for a petrochemical refinery expansion project, where corrosion resistance and thermal stability are paramount for operational efficiency.

- Facilitating the delivery of 253MA alloy steel coils for a power generation plant upgrade, guaranteeing reliability in demanding thermal environments.

 

In conclusion, 253MA alloy steel plate stands as a formidable material for applications requiring exceptional heat resistance and corrosion resilience. Adhering to rigorous standards, coupled with TJC Steel's expertise in supply chain management, ensures its availability for critical projects across various industries.