309 Stainless Steel Coil is a high-performance austenitic alloy engineered for extreme heat resistance, featuring 22-24% chromium and 12-15% nickel. Its elevated chromium-nickel content ensures superior oxidation resistance at temperatures up to 1100°C (2012°F), making it ideal for furnace components, heat treatment fixtures, and industrial heating systems exposed to cyclic thermal stress. The coil format allows for versatile fabrication into sheets, panels, or structural parts, while retaining excellent weldability and formability. Compared to standard grades like 304 or 316, 309 excels in aggressive high-temperature environments, resisting scaling and carburization in oxidizing or reducing atmospheres.
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