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SS 316 S31 Fasteners Introduction SS 316 S31 fasteners are part of the stainless steel family, specifically designed for applications requiring superior resistance to corrosion, especially in harsh environments. These fasteners are commonly used in marine, chemical, and industrial applications due to their excellent performance in extreme conditions, including high temperature and saltwater exposure. SS 316 S31 is an austenitic stainless steel that combines low carbon content with added molybdenum, making it resistant to pitting, crevice corrosion, and general corrosion. Chemical Composition SS 316 S31 has a specific chemical composition that enhances its corrosion resistance and strength. Its typical elements include: Chromium (Cr): 16.0% - 18.0% Nickel (Ni): 10.0% - 14.0% Molybdenum (Mo): 2.0% - 3.0% Carbon (C): ≤ 0.08% Manganese (Mn): 2.0% - 3.0% Silicon (Si): ≤ 1.0% Phosphorus (P): ≤ 0.045% Sulfur (S): ≤ 0.03% The addition of molybdenum gives SS 316 S31 its ability to resist pitting and crevice corrosion, especially in chloride-rich environments. Sizes and Length SS 316 S31 fasteners come in a wide range of sizes and lengths to suit various applications. They are available as: Bolts Nuts Washers Screws Studs Threaded rods The sizes typically range from small diameters (such as M2, M3, M4, etc.) up to larger diameters (M100 and above) and lengths varying from a few millimeters to several meters, depending on the specific needs of the application. Fasteners can be customized for specific use cases. Uses SS 316 S31 fasteners are known for their exceptional durability in corrosive environments, making them ideal for a wide range of industries. Common uses include: Marine and Offshore Applications: Resistant to saltwater corrosion, these fasteners are used in shipbuilding, oil rigs, and underwater equipment. Chemical Processing: SS 316 S31’s resistance to aggressive chemicals makes it suitable for tanks, reactors, and pipelines in chemical plants. Pharmaceutical and Food Industry: The fasteners' hygienic properties and resistance to corrosive substances ensure their use in machinery, equipment, and structures where hygiene and corrosion resistance are critical. Construction: For applications exposed to extreme weather conditions, like bridges, architectural features, and outdoor structures. Energy and Power Generation: Used in reactors, boilers, and other high-temperature systems in energy plants. SS 316 S31 fasteners supplier SS 316 S31 fasteners manufacturer SS 316 fastener suppliers Stainless steel 316 S31 fasteners 316 S31 stainless steel fasteners 316 S31 bolts and nuts Stainless steel 316 S31 bolts supplier 316 S31 threaded fasteners 316 S31 screws manufacturer SS 316 S31 washers supplier Conclusion SS 316 S31 fasteners are a vital component in industries requiring high-performance materials that withstand corrosion, especially in harsh environments. With their excellent chemical composition, versatile sizes, and wide range of applications, SS 316 S31 fasteners offer strength, durability, and long-term reliability. Their resilience in corrosive and extreme conditions ensures they remain a top choice in marine, chemical, pharmaceutical, and industrial applications. If you have any requirement, please email us on sales@sagarsteel.net or call us on +91 9920177883
