ASTM A202 Grade B Boiler Steel is primarily used for manufacturing high-pressure boilers, pressure vessels, and other equipment that must withstand high-temperature and high-pressure environments.
Main Applications
Boiler Manufacturing: ASTM A202 Grade B steel is commonly used for fabricating pressure-bearing components of high-pressure boilers, such as drums, headers, and steam pipes.
Pressure Vessels: Suitable for manufacturing high-temperature and high-pressure vessels in industries such as petroleum, chemicals, and energy, including reactors, heat exchangers, and storage tanks.
Piping Systems: Used in piping systems for conveying high-temperature and high-pressure fluids (e.g., steam, hot water).
Performance Characteristics
High-Temperature Strength: Exhibits excellent mechanical properties at elevated temperatures, maintaining high strength and stability.
Creep Resistance: Resists material deformation under long-term high-temperature exposure, ensuring safe operation of equipment.
Weldability: Offers good weldability, facilitating ease of manufacturing and processing.
Chemical Composition and Mechanical Properties
Chemical Composition: The chemical composition of ASTM A202 Grade B steel is strictly controlled to ensure high-temperature performance and corrosion resistance.
Mechanical Properties: Meets ASTM standard requirements for tensile strength, yield strength, and elongation.
Application Fields
Energy Industry: Widely used in high-temperature and high-pressure equipment in energy sectors such as thermal power plants and nuclear power stations.
Chemical Industry: Employed in manufacturing equipment like chemical reactors and heat exchangers.
Oil and Gas Industry: Suitable for high-temperature and high-pressure equipment in oil and gas extraction and transportation.