Aditya Stainless is one of the prominent Manufacturer and Supplier with high-quality products based in Kolkata India. Best known for our brilliance in offering premier-grade materials, we at Aditya Stainless specialized in providing an excellent Stainless Steel 309 Nut that boasts higher strength, is resistant to corrosive conditions, and withstands critical temperatures. Suitable for heavy industries, it is designed, engineered, and delivered to utmost precision for a wide range of petrochemical, oil and gas, marine, and several other industries in the region. Commitment to stringent industry standards enables Aditya Stainless to reach new heights for delivering the quality of products by achieving high-end customer satisfaction levels and service support that cannot be matched.
Stainless steel 309 nuts have great resistance to oxidation and high temperature. It contains a composition of around 23% of chromium and 14% of nickel. It also includes small quantities of manganese and silicon. This design is excellent for outstanding thermal resistance and stability, and the application is highly suitable for use in furnace parts, heat exchangers, and other high-temperature environments and for durability and resistance against thermal expansion.
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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An ideal corrosion resistant material for high humidity environments. Stainless steel 309 nuts are available in sizes from M6 to M36, perfect for furnace parts, heat exchangers and industrial applications requiring high thermal resistance.
Stainless steel 309 coupling nuts are used to connect threaded cables under high temperature conditions. Sizes range from M6 to M36, making them suitable for use in furnace parts and heat exchangers, providing durability and heat resistance.
Stainless steel 309 nylon insert nuts make nylon inserts flexible for secure fastening in high temperature environments. Available in sizes from M6 to M24, they are ideal for applications in heat exchangers and industrial furnaces where stability is required.
Stainless steel 309 flange hex nuts for enhanced weight distribution with integrated flanges. Sizes range from M6 to M24, suitable for high temperature applications such as furnace components and heat exchangers, providing both strength and thermal resistance
Heavy duty stainless steel 309 hex nuts are designed for high pressure, high temperature applications. Available in sizes from M6 to M36, they are used in industrial machinery and furnace components, and offer exceptional strength and heat resistance.
Stainless steel 309 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, making them suitable for hot environments such as heat exchangers and furnace parts, making them strong and durable.
We ensure complete documentation for our Stainless Steel 309 Nuts to make them transparent and reliable. Documents include a commercial invoice, a packaging list, a fumigation certificate, a heat treatment chart, and a quality assurance plan. It is accompanied by an NABL-approved lab test report, which satisfies stringent standards. Our commitment to quality is supported by various test certificates, like MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and a Third-Party Inspection Certificate. These measures will collectively guarantee 100% client satisfaction and confidence in the integrity of our products.
Stainless steel 309 nuts are used at high temperatures where good corrosion and oxidation resistance is required. Typically found in furnace components, heat exchangers, and industrial furnaces, they perform well in harsh environments. Their high chromium and nickel content makes them suitable for use in petrochemical plants and power plants, where durability and resistance to thermal expansion are essential for long-term serviceability and capability relies on it.
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