347H (UNS S34709) is a high carbon niobium stabilized austenitic stainless steel designed specifically for high-temperature applications. Its niobium element not only enhances its resistance to intergranular corrosion, but also improves its stability in high-temperature environments, especially suitable for oxidative conditions below 900 ℃.
Alloy 347 stainless steel sheet is widely used in petroleum refining, chemical processing, and the power industry, especially suitable for manufacturing high-temperature furnace tubes and heat exchangers. Its excellent creep resistance and oxidation resistance enable it to maintain efficient operation even in extreme environments.
The mechanical properties of 347H stainless steel sheet include a tensile strength of 515MPa, a yield strength of 205MPa, and an elongation of 40%. Its high strength and heat resistance make it an ideal material for high-temperature equipment manufacturing, providing reliable guarantees for industrial applications.
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