Amer Stainless, located in Amman, Jordan, stands out as a top manufacturer and supplier of high-quality Stainless Steel 309 Nuts. These nuts provide dependable fastening solutions for industries that operate in high-temperature and corrosive environments. With a reputation for precision engineering, cutting-edge manufacturing techniques, and rigorous quality control, Amer Stainless guarantees that every nut meets international standards for durability and performance. Their 309 nuts are specifically designed to uphold structural integrity and resist oxidation, even in extreme conditions. Widely utilized in sectors like petrochemical, power generation, chemical processing, and thermal industries, Amer Stainless has earned its place as a trusted source for essential high-temperature and corrosion-resistant fastening solutions.
Stainless Steel 309 Nuts are austenitic alloys made up of around 23% chromium and 13% nickel, which gives them remarkable resistance to oxidation and corrosion at high temperatures. The combination of high chromium and nickel content ensures thermal stability, while the austenitic structure provides excellent ductility and toughness. In terms of mechanical properties, 309 nuts boast high tensile and yield strength, allowing them to maintain their structural integrity even under prolonged heat exposure. They are resistant to scaling, pitting, and intergranular corrosion, making them perfect for fastening applications in high-temperature and chemically aggressive settings, ensuring long-lasting durability and reliability.
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 find extensive use in industries that demand high-temperature and corrosion-resistant fastening solutions. They’re commonly found in furnaces, boilers, kilns, and heat exchangers, where resistance to oxidation is crucial. In petrochemical and power generation plants, 309 nuts are essential components in high-temperature piping systems, turbines, and thermal processing equipment. The chemical and metallurgical sectors also depend on these nuts for machinery and equipment that are exposed to harsh conditions, ensuring their operations run smoothly and efficiently.
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