A387 Gr 22 is a high-quality grade of alloy steel that is known for its exceptional strength, corrosion resistance, and durability properties. This type of steel is commonly used in the manufacturing of pressure vessels and boilers that require high temperature and pressure resistance.
The chemical composition of A387 Gr 22 steel consists of carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum. The chromium and molybdenum content in the steel provide strong corrosion resistance, while the carbon content helps to maintain its strength and durability properties.
The heat treatment process of A387 Gr 22 involves quenching and tempering, which results in increased strength and resistance to deformation. The steel’s excellent resistance to high-temperature oxidation and corrosion make it ideal for use in power generation plants and petrochemical industries.
A387 Gr 22 steel is available in various forms, including plates, sheets, and bars. These different forms offer flexibility in manufacturing and allow for use in a range of applications. The steel is also readily available in the market, making it a go-to choice for many manufacturing industries.
In terms of physical properties, A387 Gr 22 has a tensile strength of 515-690 MPa and a yield strength of 310 MPa. Its elongation at break is 18%, and its reduction in area is 45%. These properties make it a highly desirable material for use in critical applications where strength and durability are of utmost importance.
In conclusion, A387 Gr 22 is an exceptional grade of alloy steel that is widely used in various industrial applications. Its excellent corrosion resistance, strength, and durability make it an ideal choice for pressure vessels and boilers. With its readily available forms and properties, A387 Gr 22 is a widely sought-after material in the manufacturing industry.