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Located in the thriving industrial centre of Kolkata, Rinku Fasteners is a trusted manufacturer and supplier of high-performance Stainless Steel 17-7 PH Fasteners. Serving customers across India, the company combines modern engineering expertise with a warm, customer-focused approach. Each fastener is crafted with precision, ensuring outstanding strength, corrosion resistance, and reliability in demanding environments. Rinku Fasteners takes pride in understanding the unique challenges of its clients and offering solutions that genuinely support their operations. Their Stainless Steel 17-7 PH Fasteners represent a blend of craftsmanship, durability, and a strong commitment to customer satisfaction.
Stainless Steel 17-7 PH Fasteners are manufactured from a precipitation-hardening stainless steel alloy containing chromium, nickel, and aluminum, resulting in exceptional strength and corrosion resistance. Their controlled heat-treatable structure allows them to achieve high tensile and yield strength along with impressive hardness and fatigue resistance. These fasteners maintain dimensional stability under heavy loads, resist deformation, and perform reliably in elevated temperatures. With a strong balance of toughness, rigidity, and long-term durability, Stainless Steel 17-7 PH Fasteners are well-suited for demanding mechanical and structural applications requiring dependable fastening solutions.
| 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 fasteners have great advantages in applications requiring good strength and corrosion resistance. Because of its high fatigue resistance and high temperature resistance, it is widely used in aerospace applications such as canals, washing machines, and buildings. Their excellent mechanical properties and reliability make them suitable for high-stress environments, including automotive, marine and power generation applications.
Stainless Steel 17-7 PH Fasteners are widely used in industries that require high-strength fastening components capable of withstanding heat, pressure, and dynamic loads. They are commonly found in aerospace assemblies, precision instruments, petrochemical facilities, and chemical processing equipment. Their stability under temperature variations makes them ideal for pumps, valves, turbines, engines, and structural systems exposed to continuous vibration. These fasteners are also utilized in marine engineering, defence systems, and high-performance mechanical equipment. Engineers rely on Stainless Steel 17-7 PH Fasteners for their outstanding resilience, dependable grip, and ability to maintain secure connections in critical and demanding environments.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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