Nakamura Stainless, located in Pulau Ujong, Singapore, is a reliable manufacturer and supplier of premium stainless steel products, including stainless steel 309S fasteners. These fasteners are made for high-temperature and corrosive environments, providing strong resistance to oxidation, scaling, and thermal fatigue. Stainless steel 309S is a low-carbon version of 309, which improves weldability and lowers the risk of sensitization while keeping high strength and heat resistance. Nakamura Stainless focuses on precise manufacturing and strict quality checks, making 309S fasteners perfect for tough applications in industries like power generation, petrochemicals, and furnace construction.
Stainless steel 309S fasteners usually consist of 23 to 25% chromium and 12 to 15% nickel. They have low carbon content, which helps prevent carbide precipitation during welding. These fasteners have tensile strength between 520 and 750 megapascals and remain stable at temperatures up to 1150°C. The high chromium and nickel content of the alloy gives it excellent resistance to oxidation and thermal fatigue, making it suitable for both continuous and intermittent high-temperature use.
Stainless Steel 309s Fasteners Specifications | |
| Grade | Stainless Steel 309S Fasteners. |
| Standard | ASTM A193 / A194, ASME SA193 / SA194, IS, BS, ANSI |
| Size | M02 to M33 |
| Length | UPTO 5 METERS |
| Surface Coating | Hot Dipped Galvanizing 309s Stainless Steel Fasteners, Phosphate 309s Stainless Steel Fasteners, Teflon 309 Stainless Steel Fasteners, Ptfe Coated 309s Stainless Steel Fasteners, Xylon 309 Stainless Steel Fasteners, Zinc 309s Stainless Steel Fasteners, Cadmium 309 Stainless Steel Fasteners |
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 |
Contact us to get a quick quote for your requirement.
Stainless Steel 309s Bolts are available in sizes ranging from M6 to M64 and lengths from 10mm to 200mm. They offer high corrosion resistance, making them suitable for high-temperature environments and demanding applications.
SS 309S Nuts come in sizes M6 to M64, providing excellent corrosion resistance and high strength. They are ideal for chemical processing and high-temperature applications, ensuring secure and reliable fastening.
SS Stud bolts in 309S range from M6 to M64 in diameter and are available in lengths up to 200mm. They offer superior corrosion resistance and are commonly used in high-temperature and high-stress environments, such as petrochemical plants.
These screws are available in sizes from M1.6 to M12, with lengths up to 100mm. They provide excellent corrosion resistance and are suitable for various applications, including construction, automotive, and industrial machinery.
Threaded rods in 309S come in sizes from M6 to M64 and lengths up to 3000mm. Known for their corrosion resistance and high strength, they are used in construction, marine, and high-temperature applications.
SS 309S washers are available in sizes ranging from M6 to M64. They provide excellent corrosion resistance and are used to distribute the load of a fastener, ensuring secure and stable assemblies in various applications, including high-temperature environments.
We manufacture these stainless steel fasteners using the best quality materials like SS 309S Fasteners. Most of our vast client base relies on these very fasteners, which are internationally trusted for their quality and reliability. These fasteners vary according to size and dimensions, custom-made, if so desired, to meet the specific needs of each customer. Our aim is to provide them with products they can trust in line with their exacting requirements.
Stainless steel 309S fasteners are commonly found in industrial settings that need strong and heat-resistant fastening solutions. They are often used to secure components in heat exchangers, boilers, furnaces, and chemical processing equipment. Their ability to handle thermal cycling, oxidation, and corrosive environments ensures they perform reliably and create strong connections in harsh conditions. These fasteners are an excellent choice for high-temperature industrial operations that require strength and resistance to corrosion.
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