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Puri Fasteners, a leading manufacturer and supplier based in Chennai, specializes in top-notch Stainless Steel 17-7 PH Nuts designed for high-performance fastening applications. With a reputation for precision manufacturing and rigorous quality control, the company delivers nuts that offer outstanding strength, corrosion resistance, and durability, even in tough conditions. Their SS 17-7 PH Nuts are well-regarded for their consistent performance, reliability, and compliance with international standards. Committed to innovation, customer satisfaction, and timely delivery, Puri Fasteners has become a trusted provider of advanced fastening solutions across industries like aerospace, chemical, marine, and high-temperature applications.
Stainless Steel 17-7 PH Nuts are primarily made up of chromium, nickel, and aluminum, which endow them with excellent precipitation-hardening properties. This grade boasts high tensile and yield strength, impressive hardness, and remarkable fatigue resistance. The alloy retains its mechanical properties even at elevated temperatures and shows excellent corrosion resistance in various settings. SS 17-7 PH Nuts also offer good formability in their annealed state and achieve exceptional strength after heat treatment. Their blend of stability, toughness, and wear resistance makes them perfect for applications that demand high reliability under mechanical and thermal stress.
| 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.
Stainless Steel 17-7 PH Nuts find extensive use in aerospace components, aircraft structures, and defense applications, thanks to their impressive strength-to-weight ratio and high fatigue resistance. They’re also essential in chemical processing systems, marine equipment, and high-pressure machinery where durability and corrosion resistance are crucial. These nuts excel in springs, precision instruments, and high-temperature assemblies. Industries such as oil and gas, power generation, and more rely on these nuts for their robust performance in demanding environments.
We provide complete documentation for our stainless steel 17-7 PH nuts, including commercial invoices, packaging information, fuming certificates, heat treatment protocols, quality assurance programs, and a laboratory include test reports approved by NABL for stainless steel 17-7 PH nuts Our extensive test certificates include MTC as per EN 10204/3.1b, PMI test certificate, 100% radiography test report and human a third party research certificate. Each order is carefully packaged to ensure safe delivery. This complete system is in place to ensure 100% customer satisfaction and highlight the quality and compliance of our Stainless Steel 17-7 PH Nuts.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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