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Lina Fasteners, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality Stainless Steel 422 Bolts designed for applications requiring high strength and good corrosion resistance. With a strong focus on precision engineering and strict quality control, the company delivers bolts that perform reliably under demanding operating conditions. Stainless Steel 422 Bolts from Lina Fasteners are heat-treated to achieve excellent mechanical strength while maintaining resistance to oxidation and corrosion. By meeting international standards and customer requirements, Lina Fasteners supports power generation, aerospace, petrochemical, and industrial sectors with durable and dependable fastening solutions.
Stainless Steel 422 Bolts are made from a martensitic stainless steel alloy containing approximately 12% chromium along with small additions of nickel, molybdenum, and vanadium. This composition allows the material to be heat treated for high tensile and yield strength. Mechanically, 422 Bolts offer excellent hardness, good fatigue resistance, and reliable creep strength at elevated temperatures. They also provide moderate corrosion and oxidation resistance compared to standard martensitic grades, making them suitable for high-stress and high-temperature applications.
| 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 are widely used in industries that demand high strength and resistance to heat and stress. They are commonly applied in aerospace components, turbine assemblies, and power generation equipment where elevated temperatures and heavy loads are present. In the oil and gas and petrochemical sectors, these bolts are used in high-pressure systems, compressors, and mechanical assemblies. Stainless Steel 422 Bolts are also suitable for industrial machinery, automotive components, and structural applications requiring durable fastening solutions with reliable performance under extreme operating conditions.
Our stainless steel 422 bolts go through rigorous quality checks to ensure superior performance. These tests include hardness tests, chemical analysis by Spectro analysis, determination of quality materials by PMI tests, leveling tests, micro-macro tests, pitting resistance tests, fire tests, intergranular corrosion (IGC) tests complete for, with trade invoicing including HS codes and gross weight, box count, label, number of shows and contains a detailed packing list In addition, a certificate of origin from a trade group or accompanied by a diplomatic formalization and a letter of acknowledgement. For customer satisfaction, we also offer a third-party inspection certificate, which proves the quality and reliability of our stainless steel 422 bolts. Safe and durable packaging is used to ensure safe transportation.
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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