| Customization: | Available |
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| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Hastelloy C276 bars are solid cylindrical metal pieces made from the Hastelloy C276 alloy, a corrosion-resistant nickel-molybdenum-chromium alloy. Here's a detailed description:
Composition: Hastelloy C276 bars are primarily composed of nickel (Ni), molybdenum (Mo), chromium (Cr), and small amounts of other elements such as iron (Fe) and tungsten (W). The specific composition typically meets ASTM or other industry standards.
Corrosion Resistance: One of the key features of Hastelloy C276 bars is their exceptional resistance to a wide range of corrosive environments, including oxidizing and reducing acids, chlorides, pitting, and stress-corrosion cracking.
High Temperature Performance: These bars exhibit excellent high-temperature strength and oxidation resistance, making them suitable for use in elevated temperature applications such as chemical processing, pollution control, and thermal processing.
Mechanical Properties: Hastelloy C276 bars have impressive mechanical properties, including high tensile strength, yield strength, and toughness, allowing them to withstand harsh operating conditions and mechanical stresses.
Fabrication: Hastelloy C276 bars can be easily fabricated using conventional machining techniques such as turning, milling, drilling, and grinding. They can also be welded using various welding methods, although precautions should be taken to avoid hot cracking and embrittlement.
Applications: Due to their outstanding corrosion resistance and mechanical properties, Hastelloy C276 bars find widespread use in industries such as chemical processing, oil and gas, pulp and paper, pharmaceuticals, waste treatment, and marine environments.
Available Forms: Hastelloy C276 bars are available in various sizes, diameters, and lengths to suit different application requirements. They may be supplied in annealed, solution annealed, or cold-worked conditions, depending on the specific application.
Quality Assurance: Manufacturers of Hastelloy C276 bars adhere to strict quality control measures throughout the production process to ensure dimensional accuracy, chemical purity, and mechanical integrity of the bars. This may include material testing, non-destructive testing, and certifications to relevant standards.
Overall, Hastelloy C276 bars offer a combination of corrosion resistance, high temperature performance, and mechanical strength, making them indispensable in demanding industrial applications where reliability and durability are paramount.
| Hastelloy C-276 | % | Ni | Cr | Fe | Mo | W | Co | C | Mn | Si | S | P | V | Ti |
| Min | Bal | 14.5 | 4 | 2.5 | 0.1 | - | - | - | - | - | - | 0.1 | - | |
| Max | 7 | 16.5 | 4.5 | 15 | 3 | 1 | 0.8 | 1 | 0.001 | 0.015 |
Hastelloy C276 bars have numerous applications across various industries due to their exceptional corrosion resistance, high temperature performance, and mechanical properties. Some common applications include:
Chemical Processing: Hastelloy C276 bars are extensively used in chemical processing industries for equipment and components exposed to highly corrosive environments, such as reactors, vessels, heat exchangers, and piping systems handling acidic or alkaline solutions, chlorides, and other aggressive chemicals.
Oil and Gas: In the oil and gas industry, Hastelloy C276 bars are employed in downhole and surface equipment for drilling, production, and processing operations where exposure to corrosive fluids, hydrogen sulfide (H2S), and high temperatures is common. This includes tubing, casing, valves, pumps, and fittings.
Overall, Hastelloy C276 bars are preferred in industries where corrosion resistance, durability, and reliability are essential, making them suitable for a wide range of challenging applications across diverse industrial sectors.
Pulp and Paper: Hastelloy C276 bars are used in the pulp and paper industry for equipment subjected to corrosive chemicals and harsh conditions in pulp bleaching, digester systems, evaporators, and chemical recovery processes.
Pharmaceuticals: Pharmaceutical manufacturing facilities utilize Hastelloy C276 bars for equipment and vessels involved in the production of pharmaceutical products, especially in processes requiring resistance to acids, solvents, and sterilization conditions.
Waste Treatment: In waste treatment facilities, Hastelloy C276 bars are employed in equipment such as scrubbers, absorbers, and reaction vessels used for neutralization, oxidation, and other treatment processes involving corrosive chemicals and high temperatures.
Marine and Offshore: Hastelloy C276 bars find applications in marine and offshore environments for equipment exposed to saltwater, seawater, and marine atmospheres, including seawater cooling systems, desalination plants, and offshore platforms.
Aerospace: In the aerospace industry, Hastelloy C276 bars are utilized in components subjected to aggressive environments, such as aircraft engine parts, exhaust systems, and aerospace hardware requiring resistance to corrosion and high temperatures.
Power Generation: Power plants utilize Hastelloy C276 bars in boilers, heat exchangers, condensers, and other equipment operating in corrosive environments with high temperatures and pressures, such as in fossil fuel and nuclear power plants.
Electronics: Hastelloy C276 bars may also find applications in electronics manufacturing for chemical handling equipment, electroplating, and semiconductor processing where corrosion resistance and reliability are critical.
Producing Hastelloy C-276 alloy rods typically involves several key steps:
Raw Material Selection: The production process begins with selecting high-quality raw materials, including nickel, molybdenum, chromium, and other alloying elements required to meet the specific composition of Hastelloy C-276.
Melting: The selected raw materials are melted together in a vacuum induction furnace or an electric arc furnace. The melting process is crucial for achieving the desired chemical composition and uniform distribution of alloying elements throughout the melt.
Casting: Once the alloy is molten and properly mixed, it is cast into ingots or billets of suitable sizes. The casting process helps to solidify the molten metal into a preliminary shape that can be further processed.
Hot Rolling: The cast ingots or billets are heated to high temperatures and then passed through a series of rolling mills to reduce their thickness and diameter. This hot rolling process helps to shape the material into rods of the desired diameter while maintaining its mechanical properties.
Annealing: After hot rolling, the Hastelloy C-276 alloy rods may undergo annealing treatment. Annealing involves heating the rods to high temperatures and then slowly cooling them to relieve internal stresses and improve their mechanical properties.
Surface Treatment: The rods may undergo surface treatment processes such as pickling or passivation to remove any surface impurities and enhance their corrosion resistance.
Finishing: Once the rods have been processed to the desired dimensions and surface finish, they may undergo additional finishing operations such as straightening, polishing, or machining to meet specific customer requirements.
Quality Control: Throughout the production process, rigorous quality control measures are implemented to ensure that the Hastelloy C-276 alloy rods meet industry standards and customer specifications. This may include chemical analysis, mechanical testing, dimensional inspection, and non-destructive testing techniques.
Overall, the production of Hastelloy C-276 alloy rods involves a combination of melting, casting, hot rolling, annealing, surface treatment, finishing, and quality control processes to produce high-quality rods with excellent corrosion resistance and mechanical properties.
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