Based in Chennai, India, Vinit Stainless is a well-known producer and supplier of high-end stainless steel goods. We specialize in providing sturdy and dependable components, like Stainless Steel 309S Nuts, with an emphasis on quality, innovation, and client satisfaction. These nuts are renowned for their exceptional strength, resistance to corrosion, and stability at high temperatures. They are designed to perform well under harsh conditions. Oil and gas, petrochemical, marine, and power generation are just a few of the industries that our products are used in. Vinit Stainless provides accurate, long-lasting, and industry-compliant fastening solutions for crucial applications thanks to its highly qualified staff and sophisticated manufacturing processes.
The austenitic chromium-nickel alloy used to make stainless steel 309S nuts contains roughly 22–24% chromium, 12–15% nickel, and trace amounts of manganese, silicon, and carbon. At high temperatures, this alloy exhibits exceptional resistance to oxidation, corrosion, and scaling. Mechanical characteristics include an elongation of about 40%, a yield strength of 205 MPa, and a tensile strength of 515 MPa. Because of its high creep strength and ability to maintain structural integrity under thermal stress, SS 309S is perfect for use in high-temperature environments where mechanical stability and long-term dependability are essential.
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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Corrosion-resistant product designed for high-temperature environments. Stainless Steel 309S Nuts are available in sizes from M6 to M36, ideal for furnace components and industrial applications requiring excellent heat and oxidation resistance.
Stainless Steel 309S Coupling Nuts are used to connect threaded rods in high-temperature settings. Sizes range from M6 to M36, suitable for furnace and kiln applications where durability and heat resistance are essential.
Stainless Steel 309S Nylon Insert Nuts feature a nylon insert to prevent loosening under high temperatures. Available in sizes from M6 to M24, they are ideal for securing components in industrial machinery and furnace applications.
Stainless Steel 309S Flange Hex Nuts offer enhanced load distribution with integrated flanges. Sizes range from M6 to M24, suitable for high-temperature environments such as kilns and industrial equipment, providing both strength and corrosion resistance.
Stainless Steel 309S Heavy Hex Nuts are designed for high-stress, high-temperature applications. Available in sizes from M6 to M36, they are ideal for use in industrial machinery and furnace components, ensuring exceptional strength and thermal stability.
Stainless Steel 309S Square Nuts provide a large surface area for effective torque application. Sizes range from M6 to M24, suitable for high-temperature and industrial applications, ensuring durability and stability in demanding environments.
We are providing a wide variety of certifications with our Stainless Steel 309S Nuts in order to satisfy a high quality standard. In our package, commercial invoices, packing lists, fumigation certificates, heat treatment charts, quality assurance plans, and approved laboratory test reports are provided. Besides, test certificate varying specifically for our Stainless Steel 309S Nuts. The set of certificates used by us consists of MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. It will ensure full satisfaction and satisfaction for our customers and clients that these products carry complete certifications.
Industries that require high heat resistance, corrosion protection, and mechanical durability make extensive use of stainless steel 309S nuts. Boilers, furnaces, heat exchangers, and reactors used in the petrochemical, chemical, power generation, and marine industries are examples of common applications. In the automotive and aerospace industries, where exposure to high temperatures and corrosive conditions is common, these nuts are also preferred. They are perfect for fastening systems that operate in harsh environments because of their resistance to oxidation, scaling, and thermal fatigue. Because of their long-term dependability, SS 309S nuts are a reliable option for demanding applications that need to function well under harsh service conditions.
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