ASTM A612M is a killed carbon-manganese-silicon steel plate designed for medium-to-low temperature welded pressure vessels in accordance with American standards. It boasts a series of excellent mechanical properties and chemical characteristics, finding widespread application in fields such as petroleum, chemicals, urban gas, and metallurgy.
Characteristics
High Strength and Toughness
Yield Strength: ≥345 MPa, enabling it to withstand significant pressure without undergoing plastic deformation.
Tensile Strength: Ranging between 570-725 MPa, ensuring the steel plate's strength under tensile loading.
Elongation: ≥16% for a gauge length of 200mm and ≥22% for a gauge length of 50mm, reflecting the steel plate's excellent plastic deformation capability.
Impact Toughness: In transverse impact tests at -40℃, the average V-notch impact energy is ≥27J, with individual values ≥20J, indicating that the steel plate retains good toughness at low temperatures, making it suitable for cold regions or low-temperature environments.
Excellent Weldability
Through special chemical composition design and production process control, ASTM A612M steel plates are less prone to defects such as cracks and porosity during welding, ensuring the quality and strength of welded joints. This gives it a significant advantage in welded pressure vessels and piping systems.
Outstanding Corrosion Resistance
The steel plate contains a certain amount of alloy elements, such as chromium and nickel, which enhance its corrosion resistance, making it suitable for environments with corrosive media.
Applications
Boiler and Pressure Vessel Manufacturing
ASTM A612M steel plates are primarily used in the manufacturing of boilers, pressure vessels, and other large-scale chemical machinery. Their high strength and toughness enable these devices to operate safely under high-temperature and high-pressure conditions.
Heat Exchangers and Storage Tanks
In fields such as petroleum and chemicals, heat exchangers and storage tanks are common equipment. Due to its excellent mechanical properties and corrosion resistance, ASTM A612M steel plates are widely used in the manufacturing of these devices.
Urban Gas and Metallurgy Fields
In the urban gas and metallurgy sectors, ASTM A612M steel plates also play a crucial role. For example, they can be used to manufacture gas pipelines, metallurgical equipment, etc., meeting the high material performance requirements of these fields.
