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Lina Fasteners, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 442 Nuts, specifically crafted for tough industrial applications. Renowned for their precision engineering and consistent performance, the company offers a diverse array of durable fastening solutions that adhere to international quality standards. The Stainless Steel 442 Nuts from Lina Fasteners are known for their outstanding heat resistance, strength, and reliability, making them perfect for high-temperature and high-stress environments. With cutting-edge production capabilities and rigorous quality control, Lina Fasteners proudly serves customers across various industries, providing products that ensure long-lasting value and dependable fastening performance.
Stainless Steel 442 Nuts are crafted from a high-chromium ferritic stainless steel that contains around 17–18% chromium, along with low carbon and carefully controlled levels of manganese and silicon. This unique composition boosts oxidation resistance and thermal stability. On the mechanical side, SS 442 boasts impressive hardness, strong tensile strength, and excellent wear resistance, making these nuts ideal for high-temperature operations. Their ferritic structure not only contributes to magnetic properties but also ensures dimensional stability while maintaining corrosion resistance in moderately corrosive environments. These features guarantee that SS 442 Nuts perform reliably even under thermal cycling and abrasive 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 % |
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 442 Nuts find their place in various industries that demand fastening components capable of enduring high temperatures, oxidation, and mechanical wear. You’ll commonly see them in applications like heat-treating equipment, industrial furnaces, kilns, and thermal processing units. They’re also essential in automotive exhaust systems, petrochemical plants, power generation facilities, and machinery that faces continuous heat or abrasive conditions. Their remarkable strength and durability make them a perfect fit for these demanding environments.
As a leading manufacturer, supplier, and exporter, we adhere to strict standards for our Stainless Steel 442 Nuts. Each nut is rigorously tested for hardness, chemical composition, Positive Material Identity (PMI), and corrosion resistance. We also conduct thorough inspections to ensure compliance with industry standards. Our nuts are carefully packaged to endure transportation and storage conditions, ensuring they arrive in perfect condition. This dedication guarantees that each nut meets our high standards for performance, durability, and reliability.
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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