Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 442 Fasteners, engineered for applications requiring excellent corrosion resistance, high-temperature stability, and long-term durability. These fasteners are ideal for industrial, chemical, and power-generation assemblies exposed to elevated temperatures and mildly corrosive environments. Each fastener is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 442 Fasteners for secure, durable, and dependable fastening solutions in demanding industrial, mechanical, and high-temperature applications.
Stainless Steel 442 Fasteners are made from a ferritic stainless steel alloy containing approximately 17–19% chromium with low carbon content. This composition provides good corrosion resistance, excellent oxidation resistance at elevated temperatures, and moderate mechanical strength. These fasteners typically exhibit tensile strength between 500–650 MPa and hardness around 180–220 HB. The ferritic structure ensures dimensional stability, resistance to scaling, and durability under thermal stress. 442 Fasteners are suitable for industrial, chemical, and high-temperature applications where long-term corrosion resistance and mechanical reliability are essential.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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Corrosion-resistant Stainless Steel 442 Nuts are designed for high-temperature applications and offer superior strength. They typically come in sizes ranging from M4 to M30 and dimensions matching standard thread specifications for robust fastening.
Stainless Steel 442 Stud Bolts have excellent corrosion resistance and are ideal for high-stress environments. They are available sizes from M6 to M36, with standard lengths and threads ensuring secure connections in various industrial applications.
These bolts offer impressive corrosion resistance and are suitable for high-temperature environments. Common sizes include M8 to M36, with varying lengths and thread types available to meet structural and mechanical requirements.
With excellent corrosion resistance, Stainless Steel 442 threaded rods are used in various structural applications. They come in sizes ranging from M6 to M30 and lengths from 1 meter to 3 meters, with customizable threads and finishes.
Offering high corrosion resistance, Stainless Steel 442 screws are used in applications exposed to harsh environments. They are available sizes from M4 to M12, with lengths and head types tailored to specific assembly needs.
These washers are highly resistant to corrosion and are used to distribute load and prevent damage. Available in sizes ranging from M4 to M36, they come in various thicknesses and diameters to match different bolt sizes and applications.
We prioritize quality assurance by conducting rigorous in-house testing on all our products, including the Stainless Steel 442 Fasteners, to ensure they meet the highest standards of performance and durability. Our rigorous quality control is achieved by third-party verifications, giving to our clients, further assurance. We guarantee quick service and as such, all of our orders are fulfilled in a timely manner in order to meet our customers’ specific needs without compromising on the quality of our products.
Stainless Steel 442 Fasteners are widely used in industries requiring corrosion-resistant, heat-resistant, and durable fastening solutions. They are ideal for boilers, heat exchangers, chemical processing equipment, power-generation machinery, and industrial systems exposed to elevated temperatures and mildly corrosive environments. The ferritic structure ensures long-term dimensional stability, resistance to oxidation, and mechanical reliability. Engineers and technicians rely on 442 Fasteners for secure, consistent, and safe performance in structural, mechanical, and chemical applications. Walid Stainless ensures that each fastener meets strict quality standards, providing dependable materials for industrial, chemical, and high-temperature projects requiring strength, durability, and reliability.
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