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Ramu Fasteners is a well-respected manufacturer and supplier located in Hyderabad, specializing in high-performance Stainless Steel 17-7 PH Nuts designed for tough industrial applications. The company has built a solid reputation for its precision engineering, unwavering quality standards, and state-of-the-art manufacturing facilities. Ramu Fasteners is dedicated to creating nuts that offer exceptional strength, reliability, and resistance to corrosion. They cater to a variety of industries, including aerospace, automotive, power generation, oil and gas, and heavy engineering, ensuring strict quality control, timely deliveries, and competitive pricing. With a strong focus on customer satisfaction and technical know-how, Ramu Fasteners provides long-lasting performance and trustworthy fastening solutions for both domestic and international markets.
The Stainless Steel 17-7 PH Nuts are crafted from a precipitation-hardening stainless steel alloy that contains around 16–18% chromium, 6–8% nickel, and trace amounts of aluminum. This unique blend allows for remarkable strength and hardness through heat treatment. These nuts showcase high tensile and yield strength, impressive fatigue resistance, and dependable dimensional stability. They also provide moderate corrosion resistance and good toughness. Stainless Steel 17-7 PH Nuts maintain consistent mechanical performance even under fluctuating temperatures and cyclic loading, making them perfect for high-stress fastening applications that demand durability and a long service life.
| 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.
These nuts are extensively used in scenarios where high strength, fatigue resistance, and precision are essential. You’ll often find them in aerospace assemblies, aircraft structures, automotive components, valves, springs, and high-performance mechanical systems. They’re also well-suited for marine equipment, chemical processing units, and industrial machinery that face dynamic loads. Their ability to retain strength after heat treatment and perform reliably under stress makes them ideal for critical fastening applications, enhancing safety, durability, and operational efficiency.
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.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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