Ed Stainless stands out as a top-notch manufacturer and supplier of premium stainless steel products right out of Houston, Texas. They specialize in Stainless Steel 309S Nuts and have built a solid reputation for their dedication to precision engineering, durability, and outstanding performance. With cutting-edge manufacturing facilities and strict quality controls, Ed Stainless meets a wide range of industrial needs across Texas and beyond. Their Stainless Steel 309S Nuts are crafted to endure extreme conditions, making Ed Stainless a go-to name for reliable fasteners. Customers enjoy timely deliveries, competitive pricing, and expert technical support, ensuring they’re completely satisfied with every project.
The Stainless Steel 309S Nuts from Ed Stainless are primarily made up of chromium (around 23%) and nickel (about 13%), which gives them excellent resistance to corrosion and heat. This austenitic stainless steel alloy has low carbon content, which improves its weldability and minimizes carbide precipitation. On the mechanical side, 309S nuts boast a tensile strength of roughly 75 ksi (515 MPa) and a yield strength close to 30 ksi (205 MPa), along with good elongation. These characteristics make them perfect for high-temperature and corrosive environments, ensuring they maintain durability and structural integrity even in tough applications.
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.
Ed Stainless’s Stainless Steel 309S Nuts are widely utilized in industries that demand resistance to high temperatures and corrosive conditions, including petrochemical, aerospace, power generation, and automotive sectors. These nuts shine in fastening components that face heat, oxidation, and chemical exposure, making them ideal for furnace parts, exhaust systems, and heat exchangers. Their strong mechanical properties and corrosion resistance also make them suitable for food processing and pharmaceutical equipment. With Ed Stainless’s 309S nuts, you get secure and long-lasting fastening solutions that enhance safety, efficiency, and the longevity of critical industrial assemblies.







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