Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality stainless steel products. Among their offerings are Stainless Steel 422 Nuts, designed for applications requiring superior corrosion resistance, strength, and long-term durability. These nuts are ideal for industrial, automotive, and structural assemblies exposed to harsh or high-temperature environments. At Walid Stainless, each nut is manufactured with precision and undergoes rigorous quality control to ensure consistent performance. Clients rely on 422 Nuts for secure, long-lasting fastening solutions, making them a reliable choice for critical projects in demanding industrial and mechanical settings.
Stainless Steel 422 Nuts are made from a martensitic stainless steel alloy containing approximately 13% chromium and stabilized with titanium. This composition provides excellent corrosion resistance, high strength, and superior hardness. The titanium prevents sensitization and enhances performance at elevated temperatures. These nuts typically exhibit tensile strength between 700–850 MPa and hardness around 200–240 HB. Their martensitic structure ensures dimensional stability, wear resistance, and mechanical durability, making 422 Nuts suitable for fastening applications in industrial, mechanical, and automotive environments that demand long-term reliability and resistance to corrosive conditions.
| 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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A corrosion-resistant product, Stainless Steel 422 nuts come in sizes from M6 to M64. Known for high strength and wear resistance, they are suitable for aerospace and automotive applications requiring durability under high stress.
A corrosion-resistant product, Stainless Steel 422 coupling nuts, used to connect two male threads, are available in sizes from M6 to M36. Their high strength and heat resistance make them ideal for heavy-duty industrial applications.
A corrosion-resistant product, Stainless Steel 422 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening due to vibration, making them ideal for high-stress applications.
A corrosion-resistant product, Stainless Steel 422 flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They provide load distribution and stability, suitable for high-stress and high-temperature environments.
A corrosion-resistant product, Stainless Steel 422 heavy hex nuts are available in sizes from M10 to M48. Their thicker design offers increased strength and durability, ideal for heavy-duty and high-stress applications.
A corrosion-resistant product, Stainless Steel 422 square nuts provide a larger contact surface and come in sizes from M6 to M30. They are suitable for high-stress and heavy clamping applications where stability is crucial.
Walid Stainless ensures high-quality material with rigorous testing, such as hardness, spectro analysis, PMI, tensile, micro and macro structural, pitting resistance, and IGC testing. We assure superior performance through these checks. In addition to our quality commitment, we provide the following essential documentation: commercial invoices, packaging lists with weights, box numbers, labels, and a Certificate of Origin legalized by the Chamber of Commerce or Embassy. Our Third-Party Inspection Certificate ensures full customer satisfaction with the price and delivery of Stainless Steel 422 Nuts.
Stainless Steel 422 Nuts are widely used in industries requiring high-strength, corrosion-resistant, and heat-tolerant fastening solutions. They are ideal for automotive assemblies, industrial machinery, pumps, valves, and structural components exposed to elevated temperatures or corrosive environments. Their titanium-stabilized martensitic composition ensures long-term dimensional stability, mechanical reliability, and resistance to oxidation. Engineers and technicians rely on 422 Nuts for secure, safe, and consistent performance in demanding industrial and mechanical applications. Walid Stainless ensures that each nut meets strict quality standards, providing dependable materials for automotive, industrial, chemical, and structural projects where corrosion resistance and strength are essential.
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