Nestled in the commercial heart of Manama, Bahrain, Niazi Stainless has built a reputation as a trusted partner for industrial-grade materials. We take pride in supplying robust solutions for demanding environments, with our Stainless Steel 309 Fasteners standing as a prime example. Engineered for resilience, these components are our answer to projects requiring exceptional resistance to heat and corrosion, offering reliability that goes beyond standard stainless options. When your application demands durability under extreme conditions, our expertise and quality inventory are here to support your vision.
The exceptional performance of Stainless Steel 309 Fasteners stems from a carefully balanced composition, rich in chromium and nickel, which is further enhanced with additions of manganese and silicon. This specific alloy recipe grants them outstanding resistance to oxidation, allowing them to maintain their integrity in continuous high-temperature service. Mechanically, they are known for their high tensile strength and good ductility, which translates into fasteners that are strong enough to handle significant stress without becoming brittle, even when exposed to intense heat.
| Grade | Stainless Steel 309 Fasteners. |
| Standard | ASTM A193 / A194, ASME SA193 / SA194, IS, BS, ANSI |
| Size | M02 to M33 |
| Length | UPTO 5 METERS |
| Surface Coating | Hot Dipped Galvanizing 309 Stainless Steel Fasteners, Phosphate 309 Stainless Steel Fasteners, Teflon 309 Stainless Steel Fasteners, Ptfe Coated 309 Stainless Steel Fasteners, Xylon 309 Stainless Steel Fasteners, Zinc 309 Stainless Steel Fasteners, Cadmium 309 Stainless Steel Fasteners |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Min. % | – | – | – | – | – | 18.0 | – | 8.0 | – |
| Max % | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | 0.10 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HR B) max | Brinell (HB) max |
| 309 | 515 | 205 | 40 | 92 | 201 |
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Stainless Steel 309 Nuts are designed for high-temperature applications with excellent resistance to oxidation and scaling. Available in sizes from M6 to M30, they securely fasten components in harsh environments.
Stainless Steel 309 Stud Bolts come in sizes from M8 to M36 and have exceptional high-temperature resistance. They are ideal for heavy-duty industrial applications requiring robust mechanical strength and durability.
Stainless Steel 309 Bolts are suitable for high-temperature and aggressive environments. Sizes typically range from M6 to M30, providing reliable performance and strength in demanding applications.
Stainless Steel 309 threaded rods offer excellent durability and heat resistance. They come in lengths up to 3 meters and diameters from M6 to M30, making them ideal for high-temperature and corrosive applications.
Stainless Steel 309 screws are designed for high-temperature environments with strong oxidation resistance. Available in sizes from M4 to M24, they ensure secure fastening and longevity in extreme conditions.
Stainless Steel 309 washers provide reliable load distribution and reduced friction. They are available in sizes matching standard bolts and screws, typically ranging from M4 to M30, ensuring durability and a proper fit.
Stainless Steel 309 Fasteners from Niazi Stainless are packaged with the utmost care to ensure they arrive in perfect condition. Our fasteners are carefully wrapped in protective materials to prevent any damage during transportation. This packaging safeguards the products from environmental factors and handling mishaps. We follow an efficient shipping process to ensure timely delivery. A reliable courier service is typically used, with tracking provided until the package reaches its destination. With careful packaging and a surety shipping process, customers can rely on the safe arrival of their Stainless Steel 309 Fasteners.
The unique heat-resistant properties of Stainless Steel 309 Fasteners make them indispensable in industries where temperatures soar. You will find them securely fastening components in high-temperature furnaces, industrial ovens, and boiler systems, where their ability to resist scaling is critical. They are also vital in the power generation sector, chemical processing plants, and exhaust systems, effectively handling thermal cycles and corrosive atmospheres that would cause standard fasteners to rapidly deteriorate, ensuring long-term structural safety and operational continuity.







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