Weston Stainless, based in Midland, UK, is a trusted supplier of premium stainless steel products, serving various industries with high-quality materials and precision-engineered components. The company specializes in corrosion-resistant and heat-resistant alloys that meet international standards. Stainless Steel 309S Nuts, made from Grade 309S stainless steel, are designed for high-temperature and corrosive environments. Available in various shapes, including hex nuts, lock nuts, and flange nuts, they offer excellent strength, oxidation resistance, and durability. With a low carbon content to reduce carbide precipitation, these nuts are widely used in heat exchangers, furnaces, chemical plants, and power generation 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.
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.
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.
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.
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.
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.
Stainless Steel 309S Nuts are widely used in high-temperature applications due to their excellent oxidation and corrosion resistance. They are commonly found in furnace equipment, heat exchangers, boilers, and exhaust systems. These nuts are also used in petrochemical, power generation, and aerospace industries where exposure to extreme heat is frequent. Additionally, they are utilized in chemical processing plants, food processing units, and marine environments due to their resistance to acidic and corrosive conditions. Their durability and strength make them ideal for structural applications, pressure vessels, and automotive components requiring high performance.
Stainless Steel 309S Nuts come with test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and raw material test reports ensuring quality and compliance with standards. They are securely packaged in wooden boxes, cartons, or poly bags with proper labeling to prevent damage during transit. Delivery is prompt, with options for air, sea, or road transport, ensuring safe and efficient shipment to various global locations.
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