Njabulo Stainless, a well-respected manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality Stainless Steel 446 Fasteners designed for top-notch performance in high-temperature and corrosive settings. With state-of-the-art manufacturing facilities and a strong dedication to quality, the company produces fasteners that adhere to international standards for durability, precision, and strength. Njabulo Stainless offers a variety of Stainless Steel 446 Fasteners in different types, sizes, and specifications, catering to industries like petrochemical, marine, power generation, and furnace manufacturing, where outstanding oxidation resistance and long-lasting performance are crucial.
These Stainless Steel 446 Fasteners are mainly made up of iron and chromium (up to 27%), along with small amounts of manganese, silicon, and carbon, and very little nickel. This ferritic stainless steel is known for its excellent resistance to oxidation, sulfidation, and scaling at high temperatures. It boasts moderate tensile strength (around 485 MPa), good hardness, and remarkable thermal stability. These characteristics make Stainless Steel 446 Fasteners incredibly reliable in environments that face high heat and corrosive substances.
| 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.
You’ll find Stainless Steel 446 Fasteners widely utilized in industries that function under high-temperature and corrosive conditions. In the petrochemical and power generation fields, they are commonly used in heat exchangers, boilers, and furnace assemblies. The marine sector relies on them for components that come into contact with seawater and salty environments. They’re also perfect for applications in incinerators, kilns, and exhaust systems where oxidation resistance is vital. Plus, Stainless Steel 446 Fasteners are employed in structural and mechanical assemblies that require strong, heat-resistant, and durable fastening solutions.
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