The A516 Grade 415 steel plate, also known as A516Gr.415 or A516Gr415, is a highly specialized material used extensively in the construction of pressure vessels and boilers. This steel grade possesses a unique combination of mechanical properties and chemical compositions, making it a prime choice for applications requiring exceptional strength and durability.

Chemical Composition

The chemical composition of A516 Grade 415 steel plate is carefully controlled to ensure optimal performance. The primary elements include carbon, silicon, manganese, phosphorus, and sulfur, with specific ranges set for each element. Carbon content is crucial, as it significantly affects the strength, hardness, and toughness of the steel. Other alloying elements, such as silicon and manganese, contribute to improved wear resistance and corrosion resistance.

A typical chemical composition range for A516 Grade 415 includes:

- Carbon (C): Maximum 0.27% for thickness ≤ 1.5 inches, 0.30% for thickness > 1.5 inches

- Silicon (Si): Maximum 0.40%

- Manganese (Mn): 0.79% - 1.30%

- Phosphorus (P): Maximum 0.035%

- Sulfur (S): Maximum 0.035%

Optional elements such as copper (Cu), nickel (Ni), chromium (Cr), molybdenum (Mo), niobium (Nb), and vanadium (V) may also be present in limited quantities.

Mechanical Properties

A516 Grade 415 steel plate exhibits exceptional mechanical properties, including high tensile strength and yield strength. The minimum tensile strength of this grade is 415 MPa, ensuring it can withstand significant pressure loads. It also possesses good ductility and toughness, allowing it to maintain structural integrity under impact or vibration.

Heat Treatment

Heat treatment plays a crucial role in the final properties of A516 Grade 415 steel plate. For plates with a thickness of ≤ 1.5 inches (40 mm), they are typically supplied in a controlled-rolled or hot-rolled condition. Depending on the requirements, these plates can also be ordered in a normalized or stress-relieved condition, or a combination of normalization and tempering. For plates with a thickness greater than 1.5 inches, normalization is the standard heat treatment process.

Dimension Range

A516 Grade 415 steel plate is available in a wide range of dimensions to meet various application requirements. The exact size range varies depending on the supplier and the specific standards used. However, this grade is commonly available in thicknesses ranging from several millimeters to over 100 mm, with widths and lengths tailored to customer specifications.

Impact Testing

Impact testing is an important aspect of quality assurance for A516 Grade 415 steel plate. This testing involves subjecting the material to sudden, high-energy impacts to assess its toughness and ductility. The results of impact testing help ensure that the steel plate will perform reliably under extreme conditions.

Primary Applications

A516 Grade 415 steel plate finds widespread use in the construction of pressure vessels, boilers, storage tanks, and pipelines in various industries. Its excellent mechanical properties and welding capabilities make it suitable for demanding applications such as oil and gas storage, chemical processing, power generation, and aerospace.

TJC Steel Group Supply Cases

At TJC Steel Group, we have a proven track record of supplying A516 Grade 415 steel plate to numerous projects around the world. Our experience in handling this specialized material ensures that we can provide customers with high-quality products that meet their exact specifications. Whether it's for a large-scale industrial project or a custom-built application, we have the capabilities and expertise to deliver the right material on time and within budget.