Customization: | Available |
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Application: | Aviation, Electronics, Industrial, Medical, Chemical |
Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Hastelloy strip is a type of thin, flat metal material made from Hastelloy alloy, which is known for its exceptional corrosion resistance and high-temperature strength. Hastelloy alloys are typically composed of nickel, molybdenum, chromium, and other elements such as cobalt and tungsten. The specific composition of the alloy can vary depending on the desired properties and application requirements.
Hastelloy strips are commonly used in various industries where corrosion resistance, strength, and durability are critical, such as chemical processing, aerospace, marine, and oil and gas industries. These strips are often utilized in applications where traditional materials like stainless steel or carbon steel would corrode or fail under harsh environmental conditions.
The manufacturing process for Hastelloy strips typically involves precision hot rolling or cold rolling of Hastelloy alloy sheets to achieve the desired thickness and width. The strips may undergo further processing steps such as annealing to optimize their mechanical properties and dimensional stability.
Hastelloy strips are available in a range of thicknesses, widths, and surface finishes to suit different application requirements. They exhibit excellent resistance to corrosion from a wide range of corrosive media, including acids, alkalis, and saltwater environments. Additionally, Hastelloy strips offer good weldability and formability, making them suitable for various fabrication processes such as welding, bending, and stamping.
Overall, Hastelloy strips are valued for their outstanding performance in challenging environments, making them an ideal choice for critical applications where corrosion resistance and high-temperature strength 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, a popular grade within the Hastelloy family, finds numerous applications across various industries due to its exceptional corrosion resistance and mechanical properties. Here are some common applications:
Chemical Processing: Hastelloy C276 is widely used in chemical processing industries for manufacturing reactors, heat exchangers, distillation columns, and piping systems. It offers excellent resistance to a wide range of corrosive chemicals, including sulfuric acid, hydrochloric acid, phosphoric acid, chlorine, and organic acids.
Oil and Gas: In the oil and gas industry, Hastelloy C276 is employed in downhole equipment, tubing, valves, and pipelines for handling corrosive fluids such as sour gas containing hydrogen sulfide (H2S) and chloride ions. Its resistance to stress corrosion cracking (SCC) and pitting makes it ideal for such applications.
Overall, Hastelloy C276 is valued for its versatility, offering excellent resistance to corrosion in aggressive environments, high temperatures, and mechanical stresses, making it a preferred choice for critical applications across various industries.
Pulp and Paper: Hastelloy C276 is used in pulp and paper processing equipment, including bleach plants, digesters, and evaporators, where it provides resistance to corrosive chemicals, high temperatures, and abrasive slurries encountered in the production process.
Power Generation: In power generation facilities, Hastelloy C276 is utilized for fabricating components in boilers, heat exchangers, condensers, and scrubbers, where it withstands the corrosive effects of high-temperature steam, boiler feedwater, and flue gases containing sulfur compounds.
Aerospace and Defense: Hastelloy C276 is employed in aerospace and defense applications for manufacturing components subjected to corrosive environments, such as aircraft fuel systems, missile components, and marine fittings.
Pharmaceutical Industry: Hastelloy C276 is used in pharmaceutical manufacturing equipment, including reactors, vessels, and piping systems, where it provides resistance to corrosion from various chemicals and cleaning solutions used in the production process.
Waste Treatment: Hastelloy C276 finds applications in waste treatment facilities for fabricating equipment used in the handling and treatment of hazardous and corrosive waste streams, such as scrubbers, tanks, and piping systems.
Pollution Control: In pollution control systems, Hastelloy C276 is employed for manufacturing scrubbers, stack liners, and exhaust ducts exposed to corrosive gases and liquids emitted during industrial processes.
The production process of Hastelloy strips typically involves several steps:
Alloy Composition: Hastelloy alloys are composed of various elements such as nickel, molybdenum, chromium, cobalt, and sometimes tungsten. The specific composition depends on the desired properties of the final product.
Melting: The raw materials are melted together in a high-temperature furnace under controlled conditions to form the alloy. The melting process ensures thorough mixing of the elements to achieve the desired alloy composition.
Casting: Once the alloy is molten and properly mixed, it is cast into ingots or billets of a suitable size. This initial casting stage provides the raw material for subsequent processing.
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 width. This hot rolling process helps to shape the material into thinner strips while maintaining its mechanical properties.
Cold Rolling: After hot rolling, the strips may undergo further processing through cold rolling mills. Cold rolling involves passing the material through a series of rollers at room temperature to achieve the desired final thickness and surface finish. Cold rolling also helps to improve the dimensional accuracy and surface quality of the strips.
Annealing: Depending on the desired properties of the final product, the Hastelloy strips may undergo annealing treatment. Annealing involves heating the strips to high temperatures and then gradually cooling them to relieve internal stresses, improve ductility, and optimize mechanical properties.
Surface Treatment: After annealing, the Hastelloy strips may undergo surface treatment processes such as pickling or passivation to remove any surface impurities and enhance corrosion resistance.
Cutting and Slitting: The final step in the production process involves cutting the Hastelloy strips to the desired length and slitting them to the required width. This step ensures that the strips meet the specific dimensional requirements of the customer's application.
Overall, the production process of Hastelloy strips involves a combination of melting, casting, rolling, heat treatment, and finishing operations to produce high-quality strips with excellent corrosion resistance and mechanical properties.