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Rinku Fasteners, located in Kolkata, India, is a leading manufacturer and supplier of premium Inconel 718 washers. With a focus on quality and precision, Rinku Fasteners delivers washers made from Inconel 718 alloy known for its exceptional strength and resistance to high temperatures and corrosion. These washers are ideal for industries requiring reliable fastening solutions capable of performing under extreme conditions, ensuring longevity and safety in critical industrial applications.
Inconel 718 washers are primarily composed of nickel (50-55%), chromium (17-21%), iron (balance), cobalt (up to 2.5%), molybdenum (2.8-3.3%), niobium plus tantalum (4.75-5.5%), and small amounts of aluminum, titanium, carbon, manganese, silicon, and copper. This composition provides excellent mechanical properties such as high tensile strength (>1,300 MPa), outstanding creep resistance, and superior corrosion and oxidation resistance, maintaining stability at temperatures up to 700°C.
| Ni | Cr | Fe | Mo | Ti | Al | Si | Cu | Mn | Cb+Ta | C | B | |
| MIN | 52.0 | 18.0 | 19.0 | 3.0 | 0.9 | 0.5 | – | – | – | 5.0 | 0.05 | 0.009 |
| MAX | Balance | – | – | – | – | – | 0.35 | 0.1 | 0.35 | – | – | – |
| Temperature, °F | 70 |
| Ultimate Tensile Strength, ksi | 202 |
| 0.2 % Yield Strength, ksi | 170 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Inconel Alloy 718
|
IS
BS
ASTM
|
ASTM B637 |
3 mm
to
200 mm
|
M02 to M33
|
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 washers are widely used in aerospace, nuclear reactors, gas turbines, and chemical processing industries. They excel particularly in applications where high strength and corrosion resistance are required at elevated temperatures. Typical uses include fastening components within turbine engines, nuclear reactor components, and processing plants subject to harsh environments. Rinku Fasteners’ Inconel 718 washers meet rigorous performance standards essential for safe and durable industrial fastening.
At Rinku Fasteners, our Inconel 718 washers are carefully packed to ensure they reach you in perfect condition. Each washer is thoroughly inspected and then carefully packaged in sturdy, watertight containers to protect against damage and contamination during transit Our packaging is designed for easy handling use and stored, to keep the washers uniform and good. Count on Rinku Fasteners to deliver your Inconel 718 washer reliably, fully insulated and ready for your demanding use.
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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