A240/SUS 304H stainless steel plate is a high-carbon variant of the 304 stainless steel, renowned for its exceptional high-temperature strength, corrosion resistance, and weldability. It is specifically designed to withstand elevated temperatures without compromising its structural integrity.

Physical Properties:

A240/SUS 304H stainless steel plate exhibits a density of approximately 7.9 g/cm³, offering robust strength while maintaining a relatively lightweight profile. It has a melting point of around 1400-1450°C and a thermal conductivity of approximately 16.3 W/m·K.

Size Range:

Available in a diverse range of sizes and thicknesses, A240/SUS 304H stainless steel plate typically spans from 0.3 mm to 100 mm in thickness. Widths can extend up to 2000 mm, and lengths can reach up to 6000 mm, catering to various application requirements.

Chemical Composition:

The typical chemical composition of A240/SUS 304H stainless steel plate includes:

- Chromium (Cr): 18.0-20.0%

- Nickel (Ni): 8.0-10.5%

- Carbon (C): 0.04-0.10%

- Manganese (Mn): ≤2.0%

- Silicon (Si): ≤1.0%

- Phosphorus (P): ≤0.045%

- Sulfur (S): ≤0.030%

Mechanical Properties:

- Tensile Strength: ≥515 MPa

- Yield Strength: ≥205 MPa

- Elongation: ≥40%

These robust mechanical properties ensure excellent performance, especially in high-temperature environments.

Hardness:

A240/SUS 304H stainless steel plate typically exhibits a Rockwell hardness of approximately B90.

Standard Compliance (ASTM A240, JIS G4304):

A240/SUS 304H stainless steel plate complies with international standards such as ASTM A240 and JIS G4304, ensuring consistency and quality in production.

Non-Destructive Testing Standard:

Standard non-destructive testing methods, including ultrasonic inspection, are employed to ensure the quality and integrity of A240/SUS 304H stainless steel plates.

Corrosion Resistance:

A240/SUS 304H stainless steel offers excellent corrosion resistance, even in high-temperature and corrosive environments. It demonstrates high resistance to oxidation, scaling, and pitting, making it suitable for various industrial applications.

Heat Treatment Condition:

A240/SUS 304H stainless steel plate is typically annealed at temperatures ranging from 1010 to 1120°C, followed by rapid cooling. This process helps improve its high-temperature strength and corrosion resistance.

Main Applications:

- High-Temperature Applications: Used in heat exchangers, boiler tubes, and furnace components.

- Chemical Processing: Employed in reactors, distillation columns, and storage tanks.

- Petrochemical Industry: Utilized in piping systems, pressure vessels, and refinery equipment.

- Power Generation: Found in turbine blades, steam generators, and exhaust systems.

- Aerospace: Used in aircraft components subjected to high temperatures and corrosive environments.

TJC Steel Supply Case:

TJC Steel (TJC Iron & Steel(Group) Co., Limited) is a leading supplier of A240/SUS 304H stainless steel plates, adhering strictly to international standards like ASTM A240 and JIS G4304. They provide reliable solutions for various high-temperature applications across industries, ensuring the highest quality standards are met.