TJC Steel Group is proud to introduce our premium A203GrE/A203 Grade E nickel alloy pressure vessel steel plate, a material renowned for its exceptional performance in various demanding applications. This steel plate is specifically designed to meet the rigorous standards of the pressure vessel industry, ensuring safety, durability, and reliability in even the most extreme conditions.

Chemical Composition

A203GrE/A203 Grade E boasts a carefully balanced chemical composition that contributes to its outstanding properties. The primary elements include:

- Carbon (C): 0.20% - 0.23%

- Manganese (Mn): 0.70% - 0.80%

- Phosphorus (P): ≤ 0.035%

- Sulfur (S): ≤ 0.035%

- Nickel (Ni): 3.5% (nominal), making it a 3.5Ni steel, renowned for its low-temperature toughness.

This composition, combined with other trace elements, ensures the steel plate possesses excellent corrosion resistance, mechanical strength, and low-temperature performance.

Mechanical Properties

The A203GrE/A203 Grade E steel plate exhibits remarkable mechanical properties, making it suitable for high-pressure applications. Key mechanical properties include:

- Yield Strength: ≥ 275 MPa

- Tensile Strength: 485-620 MPa

- Elongation: ≥ 21%

These properties, combined with good toughness and ductility, ensure the steel plate can withstand significant stress and deformation without failing.

Heat Treatment State

The A203GrE/A203 Grade E steel plate is delivered in various heat treatment states to suit the specific requirements of customers. Common heat treatment states include:

- Normalized (N)

- Normalized and Tempered (N+T)

- Quenched and Tempered (QT)

These heat treatments improve the microstructure of the steel, enhancing its mechanical properties and resistance to low-temperature embrittlement.

Available Sizes

TJC Steel Group offers A203GrE/A203 Grade E steel plates in a wide range of sizes to cater to various application needs. Typical dimensions include:

- Thickness: Up to 110 mm

- Width: Up to 2200 mm

- Length: Up to 12000 mm

Custom sizes are also available upon request, ensuring that customers receive exactly what they need for their specific projects.

Low-Temperature Impact Testing

The A203GrE/A203 Grade E steel plate has been rigorously tested for its low-temperature impact toughness. Key test results include:

- Minimum Impact Test Temperature:

  - For thicknesses ≤ 50 mm: -101°C

  - For thicknesses 50-100 mm: -87°C

These results demonstrate the steel plate's exceptional ability to withstand low temperatures without losing its mechanical properties or becoming brittle.

Primary Applications

A203GrE/A203 Grade E steel plate is widely used in various applications where low-temperature toughness and high mechanical strength are critical. Key applications include:

- Low-temperature separation equipment, such as CO2 absorption towers and H2S absorption towers

- Air separation units

- Liquid natural gas (LNG) storage tanks

- Cryogenic processing plants

- Petrochemical and chemical processing facilities

TJC Steel Group Supply Cases

TJC Steel Group has successfully supplied A203GrE/A203 Grade E steel plates to numerous prestigious projects worldwide. One notable case is the supply of steel plates for a large-scale CO2 capture and sequestration project in Europe. The project required steel plates with exceptional low-temperature toughness and high mechanical strength, and A203GrE/A203 Grade E met all the necessary requirements.

In addition, TJC Steel Group has also supplied A203GrE/A203 Grade E steel plates for various methanol wash towers, H2S concentration towers, and other low-temperature equipment in domestic coal chemical projects. The steel plates have proven to be reliable and durable, meeting the rigorous standards of the industry.

Conclusion

TJC Steel Group's A203GrE/A203 Grade E nickel alloy pressure vessel steel plate is a premium material designed for demanding applications. Its exceptional chemical composition, mechanical properties, heat treatment options