Nakamura Stainless, a reputable manufacturer and supplier based in Pulau Ujong, Singapore, has built a solid reputation for providing top-notch stainless steel products that adhere to international standards. Among their extensive range, the Stainless Steel 446 Fasteners stand out for their remarkable resistance to oxidation, scaling, and corrosion, particularly in high-temperature environments. Crafted with precision and built to last, these fasteners ensure a long service life, reliability, and consistent dimensions, making them ideal for sectors like petrochemicals, power generation, and chemical processing. With a strong commitment to quality and expertise, Nakamura Stainless guarantees that their Stainless Steel 446 Fasteners are trustworthy solutions for essential engineering applications.
The makeup of Stainless Steel 446 Fasteners features a high chromium content of up to 27%, along with iron, molybdenum, silicon, and trace elements, which contribute to their exceptional thermal and corrosion resistance. Their ferritic structure provides excellent stability when exposed to heat, low thermal expansion, and impressive creep resistance for extended use. Mechanically, they offer good tensile strength, durability, and dependable performance in hot and corrosive settings, although they aren’t suitable for cryogenic applications. These characteristics make Stainless Steel 446 Fasteners a favored option for industries that require strength and resilience in extreme operating conditions.
| 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 widespread use in applications that necessitate resistance to heat and harsh environments. They’re commonly found in furnace components, boilers, kilns, exhaust systems, heat exchangers, and refinery equipment, where resistance to scaling is crucial. In chemical processing and power plants, they play a vital role in ensuring safety and durability under thermal and chemical stress. Additionally, they are utilized in the cement industry, incinerators, and metallurgical processes, where a long service life and reduced maintenance are essential.
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