The A742/A742M-13 steel grade is a standard specification for low alloy steel plates for pressure vessels. It is commonly used in the construction of boilers, storage tanks, and other pressure vessels in various industries such as oil and gas, chemical processing, and power generation.
Chemical Composition:
The chemical composition of A742/A742M-13 steel grade primarily consists of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, and vanadium. The composition may vary depending on the specific manufacturer and production process.
Mechanical Properties:
A742/A742M-13 steel grade exhibits good mechanical properties, making it suitable for high-pressure applications. The mechanical properties include tensile strength, yield strength, elongation, and impact toughness. These properties are crucial for ensuring the steel’s performance under different operating conditions.
Standard Number:
A742/A742M-13 is the standard number assigned to this steel grade. It is recognized and published by the American Society for Testing and Materials (ASTM), which provides guidelines and specifications for various materials used in construction and manufacturing.
Applications:
The A742/A742M-13 steel grade is commonly used in the construction of pressure vessels, especially in industries where high-pressure and temperature conditions are encountered. It is suitable for applications such as boilers, storage tanks, heat exchangers, and reactors. The steel’s properties make it resistant to corrosion, heat, and mechanical stress, which are essential for ensuring the safety and reliability of these pressure vessels.
Overall, the A742/A742M-13 steel grade offers a good combination of mechanical strength and corrosion resistance, making it suitable for a wide range of applications in the pressure vessel industry.