SEV245 steel plate is a widely used material in the manufacturing of boilers and pressure vessels, classified as a Japanese standard container steel plate.SEV245 complies with the JIS G3124 standard, with non-destructive testing standards including JB4730 and GB/T2970.

Chemical Composition

Carbon (C): ≤0.16% – A low carbon content ensures excellent toughness and weldability.

Silicon (Si): ≤0.4% – Enhances strength and hardness without compromising toughness.

Manganese (Mn): 0.8-1.5% – Improves strength, wear resistance, and hot-working properties.

Phosphorus (P): ≤0.025%

Sulfur (S): ≤0.015%

Aluminum (Al): ≥0.02% – Refines grain structure, improving toughness and fatigue resistance.

• Other Elements:

Nitrogen (N): ≤0.02%

Chromium (Cr): ≤0.3%

Copper (Cu): ≤0.3%

Molybdenum (Mo): ≤0.08%

Niobium (Nb): ≤0.05%

Nickel (Ni): ≤0.5%

Titanium (Ti): ≤0.03%

Vanadium (V): ≤0.05%

These elements contribute to the steel plate’s strength, toughness, corrosion resistance, and heat resistance.

Mechanical Properties

• Yield Strength: ≥370MPa – Varies with thickness but ensures strong resistance to plastic deformation under pressure.

• Tensile Strength: 510-650MPa – Determines the material’s ability to withstand stretching forces.

• Elongation: ≥20% – Ensures sufficient plastic deformation capacity, reducing the risk of fracture during processing and use.

• Impact Toughness: ≥31J at 0°C – Provides resilience against impact forces, making SEV245 suitable for use in low-temperature environments.

Key Features

• High Compressive Strength: Withstands significant pressure, making it ideal for high-pressure containers and equipment.

• Wear and Impact Resistance: Ensures durability in demanding environments, reducing damage from wear and impact.

• Excellent Weldability: Enables easy welding while maintaining strength and toughness, facilitating the manufacturing of various structures and equipment.

Applications

• Petrochemical Industry: Used in reactors, heat exchangers, and separators, which require resistance to high temperature, pressure, and corrosive media.

• Power Plants and Boilers: Ideal for boiler drums, nuclear reactor pressure vessels, and other high-performance energy equipment.

• Other Sectors: Suitable for manufacturing gas tanks, liquefied petroleum gas bottles, high-pressure hydroelectric pipes, and turbine casings.

Standards and Delivery Conditions

• Standards: SEV245 steel plate complies with JIS G3124, with non-destructive testing standards including JB4730 and GB/T2970 to ensure quality and performance.

• Delivery Conditions: Available in hot-rolled, normalized, tempered, normalized and tempered, or quenched and tempered states, depending on user requirements.

Conclusion

With outstanding mechanical properties, excellent processability, and a broad range of applications, SEV245 steel plateis an ideal choice for the boiler and pressure vessel manufacturing industry. Whether in petrochemical plants, power generation, or high-pressure storage systems, SEV245 provides reliable material assurance. As industrial technology advances and application demands grow, SEV245 steel plate will continue to play a crucial role, offering safer and more efficient solutions for various pressure-bearing equipment.

Our company can process metal into round bars, steel plates, round/square tubes and coils according to your needs. If you have any needs, you can contact us at any time. Our email address is: sale@bolaibao1.com. Welcome to consult us.