Nickel based alloys are chosen because of the corrosion resistance, heat resistance/high and low temperature properties.
Applications for nickel alloys
Nickel alloys are used in a variety of industries, such as: aircraft gas turbines, steam turbine power plants, nuclear power systems and the chemical- and petrochemical industries. Overall, nickel alloys offer a combination of strength, corrosion resistance, heat resistance, and versatility that makes them valuable in demanding industrial applications. Their properties make them suitable for environments where other materials may fail, allowing for improved performance, durability, and reliability.
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Reduction of overall maintenance costs for critical equipments have been the need of the hour for many high temperature applications.The service conditions seen in many high-temperature applications are extremely aggressive and harsh. The lifespan for a high-temperature component is often relatively short compared to applications at “normal” temperatures.
LNG powered ships – from tankers to cruise ships to passenger ferries – are rapidly gaining popularity around the world, not least for the environmental benefits that this cleaner technology offers. Technological innovations are playing an important role with one of the market leaders, Wärtsilä, driving ahead the trend for LNG in the maritime sector.
At Formnext 2018, the exhibition for additive manufacturing (AM), Sandvik has announced that it has substantially increased its capacity for metal AM by installing several new Renishaw RenAM 500Q quad laser machines.
Tekna and Aperam have entered into a Memorandum of Understanding to state the conditions for an industrial cooperation to jointly develop high quality spherical metal powders to meet the growing needs of additive manufacturing and metal injection molding in all industrial segments.
Henkel has helped Envases Técnicos Zaragoza S.L. (Entinox), a Spanish manufacturer of stainless steel beer barrels, set up an innovative pickling and passivating line using a nitric acid-free Bonderite process.
Nickel-based alloys and nickel-containing stainless are playing key roles in an emerging source of renewable energy known as thermal solar plants or concentrated solar power (CSP). The use of nickel-based alloys and nickel-containing stainless has enabled the solar power industry to overcome challenges in heat transfer and thermal storage technology.
Sandvik has announced that TW Metals UK will be a preferred distributor for a range of products including Sandvik hydraulic & instrumentation tubing and high temperature piping products in England.
Wire Arc Additive Manufacturing (WAAM) is a fast and highly efficient production process, based on well-known welding and cladding know-how, applicable to a wide range of alloys from unalloyed to high alloyed steels, nickel alloys, titanium alloys and aluminium alloys.
Nickel alloys are a group of metallic materials that contain a significant amount of nickel as their primary alloying element, typically combined with other elements such as chromium, iron, copper, molybdenum, and others. These alloys exhibit unique properties that make them useful in a wide range of applications across various industries. Below we collected some key points about nickel alloys:
High Strength and Corrosion Resistance: Nickel alloys are known for their excellent combination of high strength and corrosion resistance. They can withstand harsh environments, including high temperatures, extreme pressures, and corrosive substances.
Versatile Applications: Nickel alloys find applications in diverse industries, including aerospace, chemical processing, oil and gas, power generation, marine engineering, and electronics. They are used in components such as turbine blades, valves, heat exchangers, chemical reactors, and electrical resistance wires.
Heat Resistance: Nickel alloys possess excellent heat resistance, making them suitable for high-temperature environments. They maintain their strength and structural integrity at elevated temperatures, making them ideal for applications such as gas turbines.
Corrosion Resistance: Nickel alloys have exceptional resistance to corrosion, particularly in harsh environments where other materials might fail. They resist attack from acids, alkalis, seawater, and various corrosive gases, making them valuable in chemical processing, marine, and offshore applications.
Magnetic Properties: Nickel alloys can exhibit ferromagnetic or paramagnetic properties depending on their composition and processing.
Weldability and Fabrication: Nickel alloys can be welded, allowing for the fabrication of complex structures and components. However, they require specialized welding techniques and proper heat treatment to maintain their desired properties.
Cost: Nickel alloys tend to be more expensive than common steels due to the higher cost of nickel and the complexity of their production. However, their unique properties often justify their use in critical applications where their performance outweighs the cost considerations.
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