In the realm of stainless steel alloys, A240 347H stands out as a highly versatile and reliable material. Developed to meet the stringent demands of various industries, this grade of stainless steel offers a unique combination of mechanical properties, chemical composition, and heat treatment capabilities.

Mechanical Properties

The A240 347H stainless steel plate boasts exceptional mechanical properties that ensure its durability and stability in various applications. With a minimum yield strength of 205 MPa and a minimum tensile strength of 515 MPa, it can withstand high loads without deforming or breaking. Furthermore, its elongation rate of at least 40% indicates its remarkable ductility, allowing it to adapt to complex forming and shaping processes.

Chemical Composition

The chemical composition of A240 347H stainless steel plate is tailored to provide optimal performance. It contains carbon in the range of 0.04% to 0.10%, chromium between 17.00% and 19.00%, and nickel from 9.00% to 13.00%. The addition of niobium (Nb) in the alloy provides enhanced resistance to intergranular corrosion and stress corrosion cracking in sulfuric acid environments.

Heat Treatment State

The heat treatment of A240 347H stainless steel plate involves a solution treatment process typically performed at temperatures ranging from 1900°F (1038°C) to 2150°F (1177°C). This process dissolves carbide precipitates and restores the uniform austenitic structure, ensuring optimal mechanical properties and corrosion resistance. Rapid cooling after solution treatment prevents the formation of new carbide precipitates.

Size Range

A240 347H stainless steel plate is available in a wide range of thicknesses, including 3/16" to 4" (4.8mm to 101.6mm) and beyond. This versatility allows it to be used in a variety of applications, from small components to large structural elements.

Impact Testing

Impact testing is performed on A240 347H stainless steel plate to evaluate its toughness and resistance to sudden impacts. The material's ability to absorb energy without fracturing ensures its reliability in demanding applications where impacts and shocks are common.

Main Application Scenarios

A240 347H stainless steel plate finds its applications in numerous industries. It is commonly used in large boilers, superheaters, reheaters, and steam pipes due to its excellent high-temperature strength and oxidation resistance. Additionally, its corrosion resistance makes it suitable for use in petrochemical heat exchangers, chemical processing equipment, and other corrosive environments.

TJC Steel Group Supply Cases

As a leading supplier of stainless steel products, TJC Steel Group has extensive experience in supplying A240 347H stainless steel plate to various industries. We have successfully delivered this material to numerous clients for use in boilers, heat exchangers, and other critical applications. Our strict quality control procedures and commitment to customer satisfaction ensure that our products meet the highest standards of quality and performance.

In conclusion, A240 347H stainless steel plate is a reliable and versatile material that offers exceptional mechanical properties, chemical composition, and heat treatment capabilities. Its wide range of applications and superior performance make it a valuable addition to any industrial project.