A387 Grade 22 Class 2 is a chromium-molybdenum alloy steel plate used in high-temperature and pressure vessel applications. It is commonly referred to as chrome moly steel.
The A387 Grade 22 Class 2 alloy steel plate offers excellent resistance to high temperatures and corrosion, making it suitable for use in power generation, petrochemical, and oil refining industries. The addition of chromium and molybdenum enhances the material's mechanical properties, including its tensile strength, yield strength, and impact resistance.
This alloy steel plate conforms to the ASTM A387/A387M standard, which specifies requirements for plates intended for elevated temperature service. The "Class 2" designation indicates that it is designed for higher temperature environments compared to Class 1.
Typically, A387 Grade 22 Class 2 alloy steel plate has a specified minimum yield strength of 310 MPa and a tensile strength ranging from 515 to 690 MPa. It exhibits good weldability and can be easily fabricated.
When working with A387 Grade 22 Class 2 alloy steel plate, it is important to follow proper welding and fabrication procedures outlined in relevant industry standards to ensure safe and reliable performance in high-temperature and pressure applications.
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