Hastelloy C276 Fasteners (Bolts): Hastelloy C276 is a nickel-molybdenum-chromium alloy that is known for its exceptional resistance to a wide variety of corrosive environments. It is one of the most commonly used alloys for applications where high strength, resistance to oxidation, and protection against pitting and stress corrosion cracking are critical. Hastelloy C276 fasteners, including bolts, nuts, washers, and screws, are essential in industries such as chemical processing, pharmaceuticals, power generation, and marine environments. These fasteners are ideal for situations where other materials may fail due to corrosion or high temperatures. Uses of Hastelloy C276 Fasteners (Bolts): Hastelloy C276 fasteners are used in environments where the risks of corrosion are high, and where components are exposed to harsh chemicals, acidic conditions, or high temperatures. Some of the primary uses include: 1. Chemical Processing Industry: Hastelloy C276 fasteners are often used in reactors, heat exchangers, and other equipment that handle aggressive chemicals like hydrochloric acid, sulfuric acid, and phosphoric acid. 2. Power Generation Plants: Hastelloy C276 fasteners are found in flue gas desulfurization systems, scrubbers, and other systems exposed to corrosive gases and byproducts from combustion processes. 3. Marine Applications: Due to their excellent resistance to saltwater corrosion, Hastelloy C276 fasteners are used in marine engineering, offshore platforms, and shipbuilding. 4. Pharmaceutical and Food Processing: The alloy is resistant to contamination and corrosion in sterilization systems, ensuring that bolts and other fasteners remain intact even under stringent hygienic conditions. 5. Oil and Gas Industry: Used in subsea pipelines, refineries, and offshore oil rigs where fasteners must withstand extreme conditions, including saltwater corrosion and exposure to chemicals. Composition of Hastelloy C276: Hastelloy C276 is primarily composed of the following elements: - Nickel (Ni): 57% – 61% (provides base strength and resistance to oxidation) - Molybdenum (Mo): 15% – 17% (enhances resistance to pitting and crevice corrosion) - Chromium (Cr): 14% – 16% (improves oxidation resistance) - Iron (Fe): 4.5% max (aiding in the alloy's strength) - Tungsten (W): 3% – 4% (adds further corrosion resistance) - Cobalt (Co): 2.5% max (adds to the alloy’s resistance to stress-corrosion cracking) - Other elements (e.g., manganese, silicon, copper):** Trace amounts for further enhancement of mechanical properties and stability. The specific composition of Hastelloy C276 ensures that the alloy is resistant to a wide range of aggressive environments, making it an ideal material for fasteners in industries that require long-term reliability under harsh conditions. Conclusion: Hastelloy C276 fasteners (bolts) are critical components in industries that deal with highly corrosive substances, high temperatures, or stringent regulatory standards. The alloy’s unique combination of nickel, molybdenum, chromium, and tungsten ensures outstanding resistance to corrosion, oxidation, and stress cracking, making it suitable for use in chemical processing, power generation, marine environments, and more. Due to these qualities, Hastelloy C276 fasteners provide the durability and strength required for demanding applications, contributing to the safety and longevity of critical equipment in extreme conditions. If you have any requirement, please email us on sales@sagarsteel.net or call on +91 9920177883