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Products > Pressure Vessel and Boiler Steel Plate > ASTM A203/ A203M Pressure Vessel Steel > A203GrD/A203 Grade D Nickel Alloy Pressure Vessel Steel Plate
Product name : A203GrD/A203 Grade D Nickel Alloy Pressure Vessel Steel Plate
Item : 20249111237
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  Details:
 Introduction:

TJC Steel Group proudly presents the A203GrD/A203 Grade D Nickel Alloy Pressure Vessel Steel Plate, a premium material specifically designed for applications requiring exceptional strength, toughness, and resistance to low-temperature environments. This steel plate, belonging to the ASTM A203 standard, is a low nickel alloy steel with exceptional mechanical properties, making it an ideal choice for various critical industrial applications.

Chemical Composition:

The A203GrD/A203 Grade D steel plate boasts a well-balanced chemical composition that ensures its superior performance. The key elements in its makeup include:

- Carbon (C): 0.17-0.2%

- Manganese (Mn): 0.7-0.8%

- Phosphorus (P): ≤0.035%

- Sulfur (S): ≤0.035%

- Silicon (Si): 0.13-0.45%

- Nickel (Ni): 3.18-3.82%

This specific alloy composition provides the steel plate with excellent low-temperature toughness, strength, and corrosion resistance.

Mechanical Properties:

The A203GrD/A203 Grade D steel plate exhibits remarkable mechanical properties, including:

- Tensile Strength: 550-690 MPa

- Yield Strength: ≥345 MPa

- Elongation at Break:

  - For a 200mm gauge length: ≥17%

  - For a 50mm gauge length: ≥20%

These properties ensure that the steel plate can withstand high stresses and deformations without failing, making it suitable for demanding applications.

Heat Treatment State:

The A203GrD/A203 Grade D steel plate is typically delivered in various heat treatment states, including normalizing, normalizing plus tempering, or quenching and tempering. These processes enhance the steel's microstructure, further improving its mechanical properties and toughness.

Available Size Range:

TJC Steel Group offers a wide range of sizes for the A203GrD/A203 Grade D steel plate, catering to various customer requirements. Commonly available sizes include, but are not limited to:

- Thickness: 10mm to 110mm

- Width: 2200mm

- Length: 10000mm to 12000mm

Custom sizes can also be produced upon request.

Low-Temperature Impact Testing:

The A203GrD/A203 Grade D steel plate has been rigorously tested for its low-temperature impact performance. It has demonstrated exceptional toughness at temperatures as low as -101°C (-149.8°F), ensuring reliable performance in cryogenic conditions.

Main Application Scenarios:

The A203GrD/A203 Grade D steel plate finds extensive use in industries where low-temperature toughness and strength are paramount. Key applications include:

- Low-temperature separation equipment

- Air separation units

- Liquefied gas storage tanks

- CO2 absorption towers in coal chemical projects

- H2S absorption towers

- H2S concentration towers

- Methanol scrubbers

TJC Steel Group Supply Cases:

TJC Steel Group has a proven track record of supplying high-quality A203GrD/A203 Grade D steel plates to various industries worldwide. Some notable supply cases include:

- Supplying A203GrD steel plates for the construction of a large-scale CO2 capture and storage facility in Europe, where the plates' exceptional low-temperature properties were crucial.

- Manufacturing custom-sized A203GrD steel plates for a methanol production plant in Asia, meeting stringent specifications for both strength and toughness.

- Providing A203GrD steel plates for the construction of an air separation unit in the Middle East, where the plates' resistance to corrosion and low-temperature embrittlement was essential.

Conclusion:

The A203GrD/A203 Grade D Nickel Alloy Pressure Vessel Steel Plate, manufactured by TJC Steel Group, is a versatile material that excels in low-temperature environments. Its superior chemical composition, mechanical properties, and heat treatment options make it the go-to choice for demanding industrial applications. With a wide range of sizes available and a commitment to quality, TJC Steel Group stands ready to meet all your A203GrD steel


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