Niazi Stainless, a top-notch manufacturer and supplier based in Manama, Bahrain, specializes in high-quality Stainless Steel 446 Fasteners that are expertly crafted for outstanding performance in high-temperature and corrosive settings. Renowned for their precision manufacturing and strict adherence to global standards, the company delivers durable and dependable fastening solutions tailored for tough industrial applications. Their SS 446 fasteners are built to resist oxidation, scaling, and chemical exposure, guaranteeing a long service life even in extreme conditions. With a strong focus on product excellence, timely delivery, and customer satisfaction, Niazi Stainless has built a solid reputation throughout Bahrain and the GCC for providing premium-grade stainless steel fasteners.
Stainless Steel 446 Fasteners are crafted from a high-chromium ferritic stainless steel that contains around 23–27% chromium, along with elements like molybdenum, silicon, and manganese to boost corrosion and oxidation resistance. These fasteners are known for their impressive mechanical properties, including high tensile strength, good hardness, and remarkable heat resistance. SS 446 maintains its structural integrity even when subjected to thermal cycling and prolonged exposure to high temperatures. Its ferritic structure offers excellent scaling resistance, while its durability and toughness ensure reliable performance in chemically aggressive and high-heat industrial environments.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 446 | 2.0 max | 1.5 max | 0.75 max | 0.040 max | 0.030 max | 23.00 – 30.00 | – | 0.50 max | 0.10 – 0.25 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.5 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
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Stainless Steel 446 Nuts offer excellent corrosion resistance, particularly in high-temperature environments. Available in sizes ranging from M3 to M48, they provide robust mechanical strength and are ideal for high-temperature applications.
Stainless Steel 446 Stud Bolts are highly resistant to oxidation and corrosion. Typically available in lengths from 25mm to 1000mm and diameters from M6 to M30, they are used for high-temperature and corrosive environments.
Stainless Steel 446 Bolts provide superior corrosion resistance and high-temperature stability. Sizes range from M5 to M36, with various lengths available. They are suitable for use in severe environments where oxidation is a concern.
Stainless Steel 446 threaded rods exhibit excellent resistance to corrosion and high temperatures. Commonly available in lengths up to 3000mm and diameters from M6 to M36, they are used in demanding industrial applications.
Stainless Steel 446 screws are known for their resistance to high temperatures and corrosion. Available in sizes ranging from M2 to M12, they are used in applications requiring high strength and durability under harsh conditions.
Stainless Steel 446 washers offer outstanding corrosion resistance and durability. They come in various sizes, typically from M3 to M50, and are used to distribute loads and prevent surface damage in high-temperature applications.
Our Stainless Steel 446 Fasteners are subjected to extensive testing, such as 100% radiographic examination, strength testing, macro/micro examination, raw material acceptance checking, third-party verification, combined-mode intergranular corrosion testing, chemical analysis, and PMI examination. These all-encompassing tests guarantee excellent robustness, performance and compliance with the same‐industry standards, making sure that our fasteners comply to the strict needs of high‐temperature and corrosion‐resistant applications.
Stainless Steel 446 Fasteners find their way into various applications that demand exceptional heat and corrosion resistance. They’re commonly used in furnaces, heat treatment equipment, boilers, exhaust systems, and thermal processing units because they can handle elevated temperatures without compromising strength. Industries like petrochemicals, refineries, and power generation facilities depend on these fasteners for secure connections that are exposed to hot gases and corrosive chemicals. Additionally, SS 446 fasteners are utilized in kiln components, incinerators, chemical processing systems, and high-temperature structural assemblies.
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