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SA204GrA
Chemical Composition: SA204GrA steel typically contains low carbon and manganese content, along with traces of chromium, molybdenum, and vanadium.
Mechanical Properties: This grade of steel offers good tensile strength, impact strength, and fatigue resistance. It also exhibits excellent weldability and corrosion resistance in various environments.
Heat Treatment: SA204GrA is typically processed through a controlled cooling process after hot rolling to achieve the desired mechanical properties.
Main Application Scenarios: SA204GrA is widely used in the manufacturing of pressure vessels, reactors, and other high-pressure equipment. It is suitable for cryogenic applications and is commonly used in the oil and gas industry.
Supply Case: A leading manufacturer of pressure vessels supplied a large quantity of SA204GrA steel plates to a petrochemical plant in the Middle East. The plates were used to construct large-scale reactors that operate under high pressure and temperature conditions.
SA204GrB
Chemical Composition: SA204GrB steel contains higher carbon and manganese content compared to SA204GrA. It also contains traces of nickel, copper, and vanadium.
Mechanical Properties: This grade offers improved strength and硬度 compared to SA204GrA. It has good cold-workability and provides better creep resistance at elevated temperatures.
Heat Treatment: SA204GrB undergoes controlled cooling and intermediate heating to achieve the desired mechanical properties and microstructure.
Main Application Scenarios: SA204GrB is commonly used in the manufacturing of pressure vessels, boilers, and other high-temperature equipment. It is suitable for use in severe corrosive environments and high-temperature applications.
Supply Case: A European manufacturer of industrial equipment supplied SA204GrB steel plates to a power plant project in Asia. The plates were used in the construction of large boilers that operate at high temperatures and pressures.
SA204GrC
Chemical Composition: SA204GrC steel has a higher carbon content than SA204GrA and SA204GrB. It also contains traces of titanium and niobium to enhance strength and toughness.
Mechanical Properties: This grade offers superior tensile strength, impact resistance, and fatigue life compared to other grades. It has excellent low-temperature toughness and provides good cold-workability.