Based in the heart of Manama, Bahrain, Niazi Stainless has built a strong reputation for supplying high-performance stainless steel solutions to a diverse range of industries. We take particular pride in our inventory of Stainless Steel 309s Fasteners, which are specifically engineered for some of the most demanding environments. These components are a top choice for projects where superior heat resistance is a critical requirement, reflecting our commitment to providing our clients with materials that deliver both durability and long-term reliability.
The strength of our 309s fasteners comes from a carefully balanced composition rich in chromium and nickel, which is further enhanced with silicon. This specific alloy mix is what grants them outstanding resistance to oxidation, allowing them to maintain their integrity in continuous high-temperature service. They possess excellent mechanical properties, including high tensile strength and good creep resistance, meaning they can withstand significant stress and deformation under extreme heat without failing, ensuring a secure and lasting hold.
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.
You will typically find our Stainless Steel 309s Fasteners hard at work in industries where extreme temperatures are a daily reality. They are perfect for critical assemblies in furnace construction, heat-treating equipment, and industrial ovens. They are also indispensable in power generation sectors and within the exhaust systems of high-performance engines. Essentially, any application that involves repeated thermal cycling or exposure to temperatures that would cause standard fasteners to degrade is an ideal scenario for the exceptional performance of 309s.
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