Emilio Stainless is a well-respected manufacturer and supplier located in Manila, Philippines, specializing in high-quality stainless steel products, including Stainless Steel 309 Nuts. Renowned for its precision, reliability, and dedication to excellence, Emilio Stainless delivers fastening solutions that adhere to global standards for strength, durability, and heat resistance. The company’s Stainless Steel 309 Nuts are designed to excel in high-temperature and corrosive environments, making them perfect for demanding industrial applications where performance and longevity are crucial.
These Stainless Steel 309 Nuts are crafted from an austenitic chromium-nickel stainless steel alloy, which contains about 22–24% chromium and 12–15% nickel. This unique composition offers outstanding resistance to oxidation, scaling, and corrosion at temperatures reaching up to 1000°C. The material boasts a tensile strength of approximately 620 MPa while maintaining good toughness and ductility under thermal stress. Additionally, Stainless Steel 309 provides exceptional resistance to sulfidation and chemical attack in acidic or chloride-rich settings, ensuring stability and a long service life.
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.
Stainless Steel 309 Nuts find extensive use across various industries, including petrochemical, power generation, furnace construction, chemical processing, and aerospace. They are particularly well-suited for applications in boilers, heat exchangers, kilns, ovens, and other high-temperature equipment. With their remarkable resistance to heat and corrosion, these nuts ensure reliable fastening even in the most challenging thermal and mechanical conditions. Stainless Steel 309 Nuts deliver strength, reliability, and durability, making them the go-to choice for fastening components exposed to extreme temperatures and corrosive environments.
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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