Adam Stainless, located in Canberra, Australia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 309S Nuts, catering to clients in Dubai, UAE. Known for their precision engineering and outstanding performance, these nuts are crafted to endure high temperatures and resist corrosive environments. Adam Stainless is committed to upholding international standards, delivering durable and dependable fastening solutions for various industrial applications. With cutting-edge production methods and a dedication to quality, the company provides Stainless Steel 309S Nuts that boast impressive mechanical strength, oxidation resistance, and longevity, making them perfect for challenging operational conditions.
These Stainless Steel 309S Nuts are primarily made up of chromium (22%), nickel (12%), and a low carbon content, which gives them remarkable resistance to oxidation and heat. They showcase excellent mechanical strength, toughness, and ductility, even when exposed to high temperatures. With a tensile strength of about 550 MPa, they also offer good creep resistance and thermal stability. The low carbon content helps reduce carbide precipitation, improving weldability and corrosion resistance, especially in high-temperature environments. This makes Stainless Steel 309S Nuts suitable for both intermittent and continuous heat exposure.
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.
You’ll find Stainless Steel 309S Nuts widely used in industries that require heat and corrosion resistance. They’re perfect for applications in furnaces, heat exchangers, boilers, and exhaust systems where maintaining high-temperature stability is essential. In petrochemical plants, power generation facilities, and refineries, these nuts provide secure fastening in oxidizing conditions. Their exceptional strength and anti-corrosive features make them ideal for marine and chemical processing equipment. Plus, they’re commonly used in structural assemblies and industrial machinery that face fluctuating temperatures and tough working environments.







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