The A515 Grade 450 steel plate, also known as A515Gr.450 or A515Gr450, is a highly specialized material designed for use in pressure vessels and boilers. Its exceptional chemical composition, mechanical properties, and heat treatment status ensure its suitability for demanding applications.

Chemical Composition

The A515 Grade 450 steel plate boasts a well-balanced chemical composition that provides excellent strength and durability. Its carbon content is carefully controlled, not exceeding 0.28%, while the manganese content remains below 0.90%. Phosphorus and sulfur are limited to 0.035% each, and silicon content ranges from 0.15% to 0.40%. Trace elements such as chromium, nickel, and copper are added to enhance the material's toughness and corrosion resistance.

Mechanical Properties

The mechanical properties of A515 Grade 450 steel plate are remarkable. It possesses a minimum tensile strength of 450 MPa, ensuring its ability to withstand significant forces. The yield strength and elongation properties also meet stringent industry standards, ensuring reliability and durability.

Heat Treatment Status

The heat treatment status of A515 Grade 450 steel plate is crucial to its performance. For plates with a thickness of 2 inches (50 mm) or less, they are typically supplied in the as-rolled condition. However, they can also be ordered in the normalized or stress-relieved condition. Plates with a thickness greater than 2 inches (50 mm) undergo normalization treatment to enhance their structural integrity.

Dimensional Range

The A515 Grade 450 steel plate is available in a wide range of dimensions to meet various application requirements. It is offered in thicknesses ranging from 8 mm to 650 mm, widths from 1500 mm to 4020 mm, and lengths up to 18800 mm. This flexibility in sizing allows for efficient utilization of material and reduces waste during processing.

Impact Testing

Impact testing is an essential step in ensuring the safety and reliability of A515 Grade 450 steel plates for pressure vessels and boilers. These tests evaluate the material's resistance to sudden impacts at low temperatures, residual stress, and large deformations. The results provide crucial data on the steel plate's toughness and ability to withstand extreme conditions.

Primary Applications

A515 Grade 450 steel plate finds extensive application in the manufacture of pressure vessels and boilers for various industries. It is commonly used in the construction of reactors, heat exchangers, separators, spherical tanks, gas cylinders, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas bottles, hydroelectric power station water pipes, and turbine shells. The steel plate's excellent strength, durability, and welding properties make it a preferred choice for these demanding applications.

Supply Case of TJC Steel Group

As a leading supplier of steel materials, TJC Steel Group has extensive experience in providing A515 Grade 450 steel plate for pressure vessels and boilers. We have successfully delivered this material to numerous projects worldwide, including the construction of large-scale power plants, petrochemical facilities, and nuclear reactors. Our team of experts ensures that each plate meets the highest quality standards and customer requirements, providing reliable solutions for critical applications.