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Lina Fasteners, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-performance Stainless Steel 422 Fasteners engineered for demanding industrial conditions. With advanced production facilities and strict quality control, the company delivers fasteners that offer excellent strength, heat resistance, and long-term reliability. Stainless Steel 422 Fasteners from Lina Fasteners are heat treated to achieve superior mechanical properties while maintaining resistance to oxidation. By meeting international standards and customer specifications, Lina Fasteners supports power generation, aerospace, petrochemical, and heavy industrial sectors with durable and dependable fastening solutions.
Stainless Steel 422 Fasteners are made from a martensitic stainless steel alloy containing approximately 12% chromium, along with small amounts of nickel, molybdenum, and vanadium. This composition allows effective heat treatment for high tensile and yield strength. Mechanically, 422 Fasteners provide excellent hardness, good fatigue resistance, and strong creep resistance at elevated temperatures. They also offer moderate corrosion and oxidation resistance, making them suitable for high-stress and high-temperature service conditions.
| Element | Content (%) |
|---|---|
| Iron, Fe | ~ 82 |
| Chromium, Cr | 11.0-13.0 |
| Manganese, Mn | 1.00 |
| Nickel, Ni | 0.5-1.0 |
| Molybdenum, Mo | 0.75-1.25 |
| Tungsten, W | 0.75-1.25 |
| Silicon, Si | 0.75 |
| Carbon, C | 0.20-0.25 |
| Vanadium, V | 0.15-0.3 |
| Phosphorous, P | 0.025 |
| Sulfur, S | 0.025 |
| Properties | Metric | Imperial |
|---|---|---|
| Elastic modulus | 190-210 GPa | 27557–30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
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 Fasteners are widely used in industries that require high strength and resistance to heat and stress. They are commonly applied in gas and steam turbines, aerospace components, and power generation equipment operating at elevated temperatures. In oil and gas and petrochemical facilities, these fasteners are used in high-pressure systems, compressors, and mechanical assemblies. Stainless Steel 422 Fasteners are also suitable for heavy industrial machinery, structural applications, and equipment where long-term reliability, thermal stability, and mechanical strength are essential.
Our commitment to quality is unwavering at Lina Fasteners, as evidenced by the rigorous testing procedures applied to all Stainless Steel 422 fasteners prior to shipment. These advanced tests include hardness, chemical analysis by Spectro analysis, positive material identification (PMI), leveling, micro-macro testing, pitting resistance, fire, intergranular corrosion (IGC) testing Also, we provide third party inspection certification documentation is provided to ensure our fasteners are of the highest quality, reliable for rugged applications and available. Additionally, we provide safe and durable packaging to ensure safe global distribution of our products.
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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