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Lina Fasteners is a reputable manufacturer and supplier of Stainless Steel 17-7 PH Washers based in Tunis, Tunisia. They specialize in providing high-performance fastening solutions tailored for demanding industrial and precision engineering needs. The company prides itself on precision manufacturing, rigorous quality control, and strict adherence to international standards, ensuring that their products consistently meet high-quality benchmarks and enjoy a long service life. Their Stainless Steel 17-7 PH washers are well-known for their impressive strength, excellent corrosion resistance, and dependable performance even under mechanical stress. With state-of-the-art manufacturing facilities, a team of skilled professionals, and efficient logistics, Lina Fasteners guarantees timely deliveries, competitive pricing, and reliable fastening solutions for industries such as aerospace, chemical, petrochemical, and marine.
These Stainless Steel 17-7 PH Washers are crafted from a precipitation-hardening stainless steel alloy that includes chromium, nickel, and aluminum, which allows for significant strengthening through heat treatment. This unique composition strikes a perfect balance between high strength, corrosion resistance, and toughness. On a mechanical level, 17-7 PH washers boast high tensile and yield strength, outstanding fatigue resistance, and stable dimensional accuracy. They perform reliably under mechanical loads, vibrations, and temperature fluctuations, making them ideal for critical and high-performance applications.
| Property | 17-7 PH |
| Density, lb/in3 | 0.282 |
| Modulus of Elasticity, psi | 29 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 8.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.5 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 31.5 |
| Element | 17-7PH |
| Carbon | 0.09 |
| Chromium | 16.0-18.0 |
| Nickel | 6.5-7.7 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Aluminum | 0.75-1.50 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
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.
You’ll find Stainless Steel 17-7 PH Washers in a variety of applications that demand high strength, corrosion resistance, and durability. They are commonly used in aerospace assemblies, aircraft structures, turbine and valve components, springs, and high-stress mechanical systems. Additionally, they play a vital role in chemical processing equipment, petrochemical plants, marine hardware, and precision engineering assemblies. Thanks to their exceptional mechanical properties, wear resistance, and consistent performance, 17-7 PH washers offer secure, reliable, and long-lasting fastening solutions in challenging industrial and high-stress environments.
To ensure transparency and reliability, we ensure complete documentation for our Stainless Steel 17-7 PH Washers. Our documentation includes commercial invoicing, packaging information, fumigation certificates, heat treatment protocols and quality control programs. Each order is carefully packed to minimize damage during transit, ensuring the safe delivery of our products. These advanced features ensure our stainless steel 17-7 pH washers meet the highest industry standards and deliver exceptional quality 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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