Khaled Stainless, located in Cairo, Egypt, is a trusted manufacturer and supplier of Stainless Steel 446 Fasteners, designed specifically for applications that face extreme temperatures and oxidation. Made from high-chromium ferritic stainless steel, these fasteners provide outstanding resistance to scaling and corrosion, even in harsh thermal conditions. Khaled Stainless upholds rigorous quality control standards to guarantee precise dimensions, consistent mechanical performance, and a reliable surface finish. The SS 446 fasteners offered by the company are widely utilized in power generation, petrochemical processing, furnaces, and industrial heating systems, where durability and thermal stability are essential.
Stainless Steel 446 is a ferritic stainless steel that contains around 23–27% chromium and has a very low carbon content, which gives it excellent resistance to oxidation and scaling at high temperatures. SS 446 fasteners demonstrate moderate tensile and yield strength, good hardness, and stable mechanical properties even under thermal cycling. This alloy features low thermal expansion, strong resistance to sulfur-rich environments, and maintains its structural integrity in continuous service at temperatures reaching up to about 1100°C, making it perfect for high-heat fastening needs.
| 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 are frequently employed in environments that experience high temperatures and intense oxidation, where secure and long-lasting fastening is crucial. Common applications include furnaces, kilns, heat exchangers, boilers, exhaust systems, and equipment used in petrochemical processing. These fasteners are widely found in power plants, as well as in the cement and steel industries, and in industrial heating units. Thanks to their remarkable resistance to scaling, thermal fatigue, and corrosion, SS 446 fasteners are ideal for flanged joints, structural assemblies, and equipment that is continuously exposed to heat.
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