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Lina Fasteners is a reliable manufacturer and supplier of Stainless Steel 17-7 PH Bolts based in Tunis, Tunisia. They specialize in providing high-strength fastening solutions tailored for tough industrial, structural, and aerospace applications. The company prides itself on precision manufacturing, rigorous quality control, and adherence to international standards, ensuring that their products consistently meet high-quality benchmarks and enjoy a long service life. The Stainless Steel 17-7 PH bolts from Lina Fasteners are highly regarded for their impressive strength, resistance to corrosion, and ability to maintain their mechanical properties even at elevated temperatures. With state-of-the-art production facilities, a team of skilled professionals, and efficient logistics, Lina Fasteners guarantees timely delivery, competitive pricing, and reliable fastening solutions for industries such as aerospace, chemical, petrochemical, and marine.
These Stainless Steel 17-7 PH Bolts are crafted from a precipitation-hardening stainless steel alloy that includes chromium, nickel, and aluminum, allowing for significant strength improvements through heat treatment. This unique composition not only offers excellent corrosion resistance but also provides high mechanical strength and toughness. In terms of performance, 17-7 PH bolts deliver impressive tensile and yield strength, outstanding fatigue resistance, and dependable ductility. They maintain their shape and stability under mechanical loads, vibrations, and temperature changes, making them ideal for high-performance and critical 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 Bolts in a variety of applications that demand high strength, corrosion resistance, and long-lasting reliability. Common uses include aerospace structures, aircraft assemblies, turbine components, valves, and high-stress mechanical systems. They’re also utilized in chemical processing equipment, petrochemical plants, marine hardware, and precision engineering assemblies. Thanks to their exceptional mechanical properties, corrosion resistance, and thermal stability, 17-7 PH bolts offer secure, durable, and long-lasting fastening solutions in challenging industrial and high-stress environments.
Stainless steel 17-7 PH bolts go through rigorous quality control to ensure outstanding performance. These tests include hardness testing, chemical analysis through Spectro analysis, material quality certification through PMI testing, tensile strength testing, impact testing and fatigue resistance testing in addition to evaluating the corrosion resistance of each bolt. This thorough inspection assures that our 17-7 PH bolts meet the highest industry standards for strength, durability and reliability, ensuring exceptional efficiency in demanding applications.
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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