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Aria Fasteners, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fastening solutions. Their Stainless Steel 309/309S Bolts are expertly crafted to deliver outstanding corrosion resistance, mechanical strength, and durability, making them perfect for high-temperature and demanding industrial settings. With a focus on precision and rigorous quality control, these bolts guarantee secure and long-lasting fastening in critical assemblies. Aria Fasteners caters to various industries, including petrochemical, chemical processing, power generation, and thermal processing, providing components that are designed to perform consistently under thermal cycling and extreme operating conditions.
The Stainless Steel 309/309S Bolts are constructed from an austenitic stainless steel alloy that boasts high levels of chromium and nickel, offering exceptional resistance to oxidation, scaling, and corrosion even at elevated temperatures. The 309S grade, which has a lower carbon content, improves weldability while still maintaining impressive corrosion resistance and mechanical strength. These bolts are known for their excellent tensile strength, creep resistance, and thermal stability, with precision threading that ensures a proper fit with compatible nuts and washers, delivering reliable clamping force in both static and dynamic 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 309/309S bolts are used in high-temperature environments because of their excellent oxidation and corrosion properties. Typical applications include industrial furnaces, heat exchangers and air filtration systems that require durability and strength. They are also used in petroleum and power plants for equipment at extreme temperatures. Their ability to withstand high temperatures and resist scaling makes them ideal for furnace coatings, reactor vessels and chemical plants.
These bolts find their place in industries that demand heat-resistant, corrosion-resistant, and high-strength fastening solutions. They are particularly well-suited for boilers, furnace assemblies, heat exchangers, flanged joints, and industrial machinery that operate under high temperatures. Additionally, Stainless Steel 309/309S Bolts are commonly used in chemical plants, power generation facilities, and offshore equipment, where secure and durable fastening is essential. Their unique combination of thermal resistance, mechanical strength, and corrosion protection makes them a trustworthy choice for even the most challenging industrial applications.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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