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Lina Fasteners stands out as a top-notch manufacturer and supplier located in Tunis, Tunisia, specializing in high-performance Stainless Steel 442 fasteners tailored for a variety of industrial needs. With a commitment to quality, reliability, and precision engineering, the company offers a comprehensive selection of bolts, nuts, screws, washers, and custom fastening solutions. Known for their remarkable heat resistance and durability, Stainless Steel 442 fasteners from Lina Fasteners are perfect for challenging environments. Backed by cutting-edge manufacturing technology and rigorous quality control, Lina Fasteners proudly serves both domestic and international markets, delivering products that meet strict industry standards for long-lasting performance.
Stainless Steel 442 fasteners are mainly made from high-chromium ferritic stainless steel, typically featuring around 17–18% chromium, along with low carbon content and small amounts of manganese, silicon, and trace elements. This unique composition grants them excellent oxidation resistance and stability at high temperatures. On the mechanical side, SS 442 fasteners boast high hardness, impressive wear resistance, and solid tensile strength, making them ideal for applications that face heat and abrasion. Their ferritic structure not only enhances magnetic properties but also ensures dimensional stability while maintaining corrosion resistance in mildly corrosive and high-temperature settings.
| 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 fasteners find extensive use in various industries that demand components capable of enduring high temperatures, oxidation, and mechanical stress. They are commonly found in heat-treating equipment, furnace parts, industrial ovens, and thermal processing machinery, thanks to their outstanding heat resistance. Moreover, these fasteners are perfectly suited for automotive exhaust systems, power generation equipment, petrochemical processing, and high-wear applications. Their durability and reliability make them a go-to choice for many demanding environments.
At Lina Fasteners, our commitment to excellence extends to a rigorous testing program for Stainless Steel 442 fasteners prior to shipment. These advanced tests include hardness analysis, spectro analysis for chemical composition, PMI verification, leveling test, micro-macro assessment, pitting resistance, fire resistance, intergranular corrosion testing In addition, we provide third party inspection certificates for wear create as quality and most reliable for challenges areas of business. Our fasteners are carefully packed to ensure safe transport and storage, reinforcing our commitment to delivering high quality products that meet stringent industry standards.
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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