304L stainless steel plate is a variant of the widely used 304 stainless steel known for its enhanced corrosion resistance and weldability. It belongs to the austenitic family of stainless steels, retaining similar physical and mechanical properties as 304 stainless steel while offering improved resistance to intergranular corrosion.

 

Physical Properties:

304L stainless steel plate exhibits a density of approximately 8.0 g/cm³, providing a balance between strength and weight. 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 various sizes and thicknesses, 304L stainless steel plate typically ranges 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 diverse application requirements.

 

Chemical Composition:

The typical chemical composition of 304L stainless steel plate is as follows:

- Chromium (Cr): 18.0-20.0%

- Nickel (Ni): 8.0-12.0%

- Carbon (C): ≤0.03%

- Silicon (Si): ≤1.0%

- Manganese (Mn): ≤2.0%

- Phosphorus (P): ≤0.045%

- Sulfur (S): ≤0.03%

 

Mechanical Properties:

- Tensile Strength: ≥485 MPa

- Yield Strength: ≥170 MPa

- Elongation: ≥40%

These mechanical properties ensure durability and reliability in various applications.

 

Hardness:

304L stainless steel plate typically exhibits a Rockwell hardness of approximately B85.

 

Standard Compliance (ASTM A240, JIS G4304):

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

 

Non-Destructive Testing Standard:

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

 

Corrosion Resistance:

304L stainless steel offers excellent corrosion resistance, particularly in acidic, alkaline, and chloride-containing environments. It is suitable for applications requiring enhanced resistance to intergranular corrosion, such as chemical processing, food processing, and marine environments.

 

Heat Treatment Condition:

304L stainless steel plate is typically annealed at temperatures ranging from 1010 to 1120°C, followed by rapid cooling, similar to 304 stainless steel. This process helps eliminate internal stress and improve corrosion resistance.

 

Main Applications:

- Chemical Processing: Tanks, piping, and equipment for handling corrosive chemicals.

- Food Processing: Equipment and utensils for food handling and storage.

- Marine: Boat fittings, underwater equipment, and marine hardware.

- Pharmaceutical: Pharmaceutical processing equipment.

- Construction: Architectural panels, roofing, and structural components.

 

TJC Steel Supply Case:

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

 

Conclusion:

304L stainless steel plate is a versatile material offering enhanced corrosion resistance and weldability compared to 304 stainless steel. With adherence to international standards and availability in various sizes, it meets the diverse needs of customers in industries such as chemical processing, food processing, marine, pharmaceutical, and construction.