Composition and Properties of Nickel-based Alloys
Russia and Ukraine is an important exporters of oil, natural gas, metals, fertilizers, rare gases and other industrial raw materials. Affected by the further intensification of the tension of the war, the global market has become more worried about the supply of the Inconel 625 powder, and panic spreads in the futures market. Prices of commodities such as aluminum and nickel are at recent highs on concerns that supplies will fall. Russia accounts for 49 percent of global exports of nickel, 42 percent of palladium, 26 percent of aluminum and 13 percent of platinum, and is a significant exporter of steel and copper. Palladium is an important metal for sensors and memory. In addition, Russia is the world's largest exporter of nitrogen fertilizer, the second largest exporter of potash fertilizer, and the third-largest exporter of phosphate fertilizer. Ukraine is also an important producer of nitrogen fertilizer. Russia's natural gas supply also has a significant impact on the global fertilizer industry and Inconel 625 powder industry, especially in Europe. The price of the product name will also fluctuate to some extent. Russia carries out crude gas separation, and Ukraine is responsible for refined exports. Ukraine supplies 70% of the world's neon, 40% of krypton and 30% of xenon. These three gases are the materials used to make chips.
What is a nickel-based alloy?
Nickel-based alloys refer to a class of alloys that have high strength and a
certain degree of oxidation and corrosion resistance at a high temperature of
650 to 1000 ℃.
According to the main properties, it is divided into nickel-based
heat-resistant alloys, nickel-based corrosion resistant alloys, nickel-based
wear-resistant alloys, nickel-based precision alloys and nickel-based shape
According to the different substrates, superalloys are divided into
iron-based superalloys, nickel-based superalloys and cobalt-based superalloys.
Among them, nickel-based superalloys are referred to as nickel-based alloys.
Representative materials of nickel-based alloys are:
1. Incoloy alloy, such as Incoloy800, the main component is: 32Ni-21Cr-Ti,
Al; it is a heat-resistant alloy;
2. Inconel alloy, such as Inconel600, the main component is; 73Ni-15Cr-Ti,
Al; it is a heat-resistant alloy;
3. Hastelloy alloy, namely Hastelloy alloy, such as Hastelloy C-276, the main
component is: 56Ni-16Cr-16Mo-4W; it belongs to corrosion-resistant alloy;
4. Monel alloy, namely Monel alloy, such as Monel 400, the main component is;
65Ni-34Cu; belongs to the corrosion-resistant alloy;
Composition and properties of nickel-based alloys
Nickel-based superalloys are the most widely used. The main reason is that,
firstly, more alloying elements can be dissolved in the nickel-based alloy, and
good structure stability can be maintained; secondly, a coherent and ordered
A3B-type intermetallic compound γ[Ni3(Al, Ti)] can be formed. As a strengthening
phase, the alloy is effectively strengthened, and higher high temperature
strength is obtained than iron-based superalloys and cobalt-based superalloys;
third, nickel-based alloys containing chromium have better oxidation and
resistance than iron-based superalloys Gas corrosion ability.
Nickel-based alloys contain more than ten elements, of which Cr mainly plays
an anti-oxidation and anti-corrosion role, and other elements mainly play a
strengthening role. According to their strengthening action mode, they can be
divided into: solid solution strengthening elements such as tungsten,
molybdenum, cobalt, chromium and vanadium; precipitation strengthening elements
such as aluminum, titanium, niobium and tantalum; grain boundary strengthening
elements such as boron, zirconium, Magnesium and rare earth elements, etc.
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The COVID-19 pandemic has affected economies and chemical companies in many countries around the world. Measures such as extending holidays and resuming work were taken to control the development of the epidemic, and the normal operation of some chemical enterprises was also affected to some extent.
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