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Rinku Fasteners, located in Kolkata, India, is a trusted manufacturer and supplier of premium Inconel 617 washers. Renowned for their quality and precision, Rinku Fasteners provides washers made from Inconel 617 alloy that deliver outstanding high-temperature strength and corrosion resistance. These washers serve industries requiring dependable fastening solutions capable of withstanding extreme heat and aggressive environments.
Inconel 617 washers are composed mainly of nickel (majority), with chromium (20-23%), cobalt (10-13%), molybdenum (8-10%), aluminum (0.8-1.5%), iron (2%), and small amounts of carbon, manganese, silicon, and titanium. This unique composition gives them excellent mechanical strength, including tensile strength over 485 MPa and yield strength around 275 MPa, with remarkable resistance to oxidation, carburization, and high-temperature corrosion. They maintain structural integrity even under thermal cycling and stresses up to around 1200°C.
| C | Mn | S | Si | Cr | Mo | Ni | Cu | Ti | Al | B | Co | Fe |
| 0.05-0.15 | 1.0 Max | 0.015 Max | 1.0 Max | 20.0-24.0 | 8.0-10.0 | 44.5 Min | 0.5 Max | 0.6 Max | 0.8-1.5 | 0.006 Max | 10.0-15.0 | 3.0 Max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.1 g/cm3 | 1411 °C (2571 °F) | Psi – 80,000 , MPa – 550 | Psi – 30,000 , MPa – 205 | 30 % |
Standard ASTM B168 / ASME SB168
Dimensions DIN 125/127, ISO 7089/7090, ASME B18.22.1
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Size M02 to M33
Length 3 mm to 200 mm
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.
Inconel 617 washers are widely used in aerospace, power generation, chemical processing, and furnace industries. They are ideal for high-temperature applications such as gas turbines, heat exchangers, furnace components, and nuclear reactors. Their superior resistance to oxidation, corrosion, and mechanical wear in harsh environments ensures durability and safety in critical industrial assemblies. Rinku Fasteners’ Inconel 617 washers meet stringent performance standards for demanding applications.
At Rinku Fasteners, our inconel 617 washers are packed carefully so that they do not get damaged while being shipped to the clients. The washers are protected and packed separately and the containers used are moisture proof to avoid any damage and contamination. It helps in identification and management of the items, this is made possible by clear labeling. Our packaging process ensures that the washers are not compromised in any way and are ready for use, which is a clear testimony of our company’s quality products and excellent customer relations.
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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