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The chemical composition of 309H Stainless Steel Pipe Fittings consists primarily of iron, with various other elements including chromium, nickel, manganese, silicon, carbon, and phosphorus. The exact proportions vary depending on the type of pipe fittings, but generally, the amounts are between 12-18% chromium, 14-22% nickel, 2-3% manganese, 0.15- 0.63% silicon, and up to 1.2% carbon. Trace elements such as molybdenum, titanium, and aluminum may also be present in very small amounts.

309H Stainless Steel Pipe Fittings have a wide range of uses due to their excellent corrosion resistance, good machinability, and high strength. These fittings are often used in applications that require high temperatures, such as heat exchangers and boilers. Additionally, they are commonly used for the fabrication of food processing equipment, process piping systems, and petrochemical plants. In terms of properties, 309H Stainless Steel Pipe Fittings possess good formability and weldability, as well as excellent heat resistance and high-temperature strength.

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