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Lina Fasteners, based in Tunis, Tunisia, has built a solid reputation as a manufacturer and supplier of top-notch Stainless Steel 422 Bolts, specifically crafted for high-performance industrial applications. With a focus on precision engineering and rigorous quality control, the company delivers durable and dependable fastening solutions that adhere to global standards. The Stainless Steel 422 Bolts from Lina Fasteners are prized for their remarkable strength, heat resistance, and corrosion performance, making them perfect for challenging operating conditions. Thanks to their state-of-the-art production facilities and unwavering commitment to excellence, Lina Fasteners consistently provides industries with long-lasting bolts designed to endure thermal, mechanical, and environmental stresses.
Stainless Steel 422 Bolts are made from a martensitic stainless steel alloy that contains around 12–14% chromium, along with molybdenum, manganese, and a carefully controlled carbon content. This unique composition results in outstanding strength, hardenability, and improved corrosion resistance. SS 422 boasts high tensile and yield strength, impressive wear resistance, and the ability to maintain its mechanical integrity even at elevated temperatures. Its martensitic structure allows for heat treatment, enhancing both hardness and toughness. These characteristics make SS 422 Bolts perfect for high-stress, high-temperature environments where durability and mechanical stability are crucial.
| 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 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 422 Bolts find their place in various industries that demand strong fasteners capable of enduring heat, pressure, and ongoing mechanical stress. You’ll often see them in power generation equipment, steam turbines, jet engines, and aerospace components, thanks to their exceptional high-temperature performance. They’re also utilized in petrochemical plants, thermal processing systems, valves, pumps, and high-pressure machinery. Their strength and wear resistance make them ideal for rotating equipment, ensuring reliability in even the toughest conditions.
Our stainless steel 422 bolts are carefully mounted to ensure damage-free delivery. By using standard export packaging in sturdy wooden boxes or as needed to meet exacting standards, we prioritize the safety of every bolt when we are transporting it. Each bolt is clearly marked with its grade, size and lot number, and can be customized upon request. To ensure quality and compliance, we provide manufacturer test certificates, raw material certificates, NABL approved laboratory test reports, 100% radiography test reports, and third parties inspection according to EN 10204-3.1 and EN 10204-3.2 standard reports for. This guarantee ensures that every stainless steel 422 bolt meets the industry’s stringent standards and customer expectations for reliability and performance.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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