EN10028-6 P355Q is a pressure vessel steel grade that is widely used in the fabrication of pressure vessels and boilers due to its excellent mechanical properties and chemical composition. This grade is designed to withstand high pressures and temperatures, making it suitable for applications in various industries such as petrochemical, chemical processing, and power generation.

Chemical Composition:

The chemical composition of EN10028-6 P355Q is strictly controlled to ensure the material's performance under high-pressure conditions. The typical chemical composition includes the following elements:

· Carbon (C): ≤ 0.16%

· Silicon (Si): ≤ 0.50%

· Manganese (Mn): ≤ 1.60%

· Phosphorus (P): ≤ 0.025%

· Sulfur (S): ≤ 0.015%

· Aluminum (Al): ≥ 0.020%

· Niobium (Nb): ≤ 0.05%

· Titanium (Ti): ≤ 0.03%

· Vanadium (V): ≤ 0.05%

· Nickel (Ni): ≤ 0.50%

· Chromium (Cr): ≤ 0.30%

· Molybdenum (Mo): ≤ 0.08%

· Copper (Cu): ≤ 0.30%

· Boron (B): ≤ 0.005%

Mechanical Properties:

The mechanical properties of EN10028-6 P355Q are characterized by its high strength and toughness. The following are the typical mechanical properties:

· Yield Strength: ≥ 355 MPa

· Tensile Strength: 480 - 620 MPa

· Elongation: ≥ 22%

· Impact Energy (at -20°C): ≥ 40J

Heat Treatment:

The steel plates are supplied in the normalized or normalized and tempered condition. Normalization is a heat treatment process that involves heating the steel to a temperature above its critical point and then cooling it in air. Tempering is an additional heat treatment process that is applied to improve the toughness and ductility of the steel after quenching.

Low-Temperature Impact Test:

EN10028-6 P355Q is subjected to a low-temperature impact test to ensure its toughness at sub-zero temperatures. The material must meet the specified impact energy requirements at -20°C, demonstrating its suitability for use in cold environments.

Available Dimensions:

TJC Steel Group offers EN10028-6 P355Q pressure vessel steel plates in a wide range of sizes to meet the diverse needs of our customers. The available dimensions include:

· Thickness: 6mm - 300mm

· Width: 1500mm - 4020mm

· Length: 3000mm - 18000mm

Main Applications:

The excellent properties of EN10028-6 P355Q make it suitable for a variety of applications, including:

· Pressure vessels and boilers

· Heat exchangers

· Storage tanks

· Columns and reactors

· Steam drums

TJC Steel Group Supply Cases:

TJC Steel Group has a proven track record of supplying high-quality EN10028-6 P355Q pressure vessel steel plates to clients worldwide. One notable supply case involved the delivery of large quantities of this grade to a major petrochemical company in Southeast Asia. The steel plates were used in the construction of high-pressure vessels, where their superior strength and toughness were critical to the project's success.

In conclusion, EN10028-6 P355Q is a reliable choice for pressure vessel applications requiring high performance and safety. TJC Steel Group is committed to providing our customers with the highest quality materials and services, ensuring their projects are completed to the highest standards.