309S stainless steel is a highly corrosion-resistant austenitic stainless steel that contains a high amount of chromium and nickel. It also has a low carbon content, which gives it excellent resistance to high-temperature oxidation and sulfidation. Some of the key properties of 309S stainless steel include: High-temperature resistance: 309S can withstand high temperatures up to 980�°C (1800�°F) without losing its strength or corrosion resistance properties, making it ideal for use in applications such as furnace parts, heat exchangers, and kilns. Corrosion resistance: 309S offers excellent resistance to oxidation, sulfidation, and other forms of high-temperature corrosion, as well as resistance to aqueous corrosion. Strength and toughness: 309S has good strength and toughness, making it suitable for use in demanding applications. Fabricability: 309S is easily formable using standard methods, and can be welded using common welding techniques. 309S stainless steel is commonly used in a range of high-temperature applications, including: Furnace parts, such as burners, heating elements, and retorts Heat exchangers and boilers Kilns and other high-temperature processing equipment Chemical processing equipment Power generation equipment, such as gas turbines and exhaust systems Overall, 309S stainless steel is a highly reliable and versatile material that is well-suited for use in a range of high-temperature applications where superior corrosion resistance and strength are required. The following are some of the commonly used international standards for 309S stainless steel: ASTM A240/A240M: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications ASTM A276/A276M: Standard Specification for Stainless Steel Bars and Shapes EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10095: Heat resisting steels and nickel alloys JIS G4304: Hot-rolled stainless steel plate, sheet and strip JIS G4305: Cold-rolled stainless steel plate, sheet and strip GB/T 4237: Hot rolled stainless steel plate, sheet and strip GB/T 3280: Cold rolled stainless steel plate, sheet and strip We can provide the following form:309S stainless steel coil; 309S stainless stee strip;309S stainless stee plate; 309S stainless steel sheets; 309S stainless steel tubes; 309S stainless steel pipe; 309S stainless steel flat; 309S stainless steel bar