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Nickel-base Alloy

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Nickel-base Alloy
Latest company news about Nickel-base Alloy

Nickel-based alloy is a kind of alloy with high strength and certain anti-oxidation and corrosion resistance at 650-1000℃. According to the main properties, it is subdivided into nickel-based heat-resistant alloy, nickel-based corrosion-resistant alloy, nickel-based wear-resistant alloy, nickel-based precision alloy and nickel-based shape memory alloy. Superalloys can be divided into iron-based superalloys, nickel-based superalloys and cobalt-based superalloys according to the different substrates. Nickel based superalloys are referred to as nickel based alloys.

Classification And Characteristics Of Nickel Base Alloys

The main alloying elements are copper, chromium and molybdenum, which have good comprehensive properties and can resist various acid corrosion and stress corrosion. The earliest applications (produced in 1905 in the United States) were nickel-copper (Ni-Cu) alloys, also known as Monel alloys (Ni 70 Cu30); in addition, nickel-chromium (Ni-Cr) alloys (that is, nickel-based heat-resistant alloys, heat-resistant corrosion alloys in corrosion-resistant alloys), nickel-molybdenum (Ni-Mo) alloys, nickel-chromium-molybdenum (Ni-Cr-Mo) alloys, etc. At the same time, pure nickel is also a typical representative of nickel based corrosion resistant alloy. These nickel-based corrosion-resistant alloys are mainly used in the manufacture of petroleum, chemical, power and other corrosion-resistant environmental components. According to the main properties, it is subdivided into nickel-based heat-resistant alloys, nickel-based corrosion-resistant alloys, nickel-based wear-resistant alloys, nickel-based precision alloys and nickel-based shape memory alloys.

Ni-Cu alloy

In reducing medium, corrosion resistance is better than nickel, and in oxidizing medium, corrosion resistance is better than copper. It is the best material for high temperature fluorine, hydrogen fluoride and hydrofluoric acid (see metal corrosion) under the condition of no oxygen and oxidant.

Ni-Cr alloy

That is, nickel based heat resistant alloys; mainly used in oxidizing media. The corrosion resistance of high temperature oxidation and sulfur, vanadium and other gases increases with the increase of chromium content. These alloys also have good resistance to corrosion and stress corrosion resistance of hydroxides, such as NaOH, KOH.

Ni-Mo alloy

It is mainly used under the condition of reducing medium corrosion. It is the best alloy resistant to hydrochloric acid corrosion, but in the presence of oxygen and oxidant, the corrosion resistance will be significantly reduced.

Ni-Cr-Mo (W) alloy

It has both the properties of the Ni-Cr alloy and the Ni-Mo alloy. It is mainly used in oxidation-reduction and mixed media. These alloys have good corrosion resistance in high temperature hydrogen fluoride gas, hydrochloric acid containing oxygen and oxidant, hydrofluoric acid solution and wet chlorine gas at room temperature.

Ni-Cr-Mo-Cu alloy

It has the ability to resist both nitric acid and sulfuric acid corrosion, and also has good corrosion resistance in some mixed oxidizing-reducing acids.

Nickel Base Designation And Application

EB ASTMA 494 CZ100 is mainly used in chemical industry, such as caustic soda and synthetic fiber.

EB Dameron is mainly used in glass moulds, punch tights, buckles, etc.

EB ASTMA 494 CW-12MW chemical industry pumps, valves, hot pressing dies;

EB ASTMA 494 N-12MW is applied to the chemical industry, such as pumps and valves for hydrochloric acid and hydrogen chloride.

EB Ni 207-NZ is applied to dental materials.

EB NiBe19Ingot is applied to dental materials.

EB ASTMA 494CX2MW should be used in mixed acid, chloride, valve and other devices.

EB ASTMA 494M-30C is used in pumps, valves, and so on for the manufacture of chemical equipment.

EB ASTMA 494M-35-2 should be used to make parts such as pumps and valves.

EB ASTMA 494M-35-1 is applied in petrochemical industry, ocean development, manufacturing heat exchangers, pumps, etc.

EB ASTMA 494UNS NO5500 is applied to pumps, shafts, impeller and so on.

EB ASTMA 494CY5SnBiM is used to manufacture impeller and so on.

EB ASTMA CY-40 is applied to heat exchange pipes, valves, and chlorine synthetic internals.

EB ASTMA CW-6MC is mainly used in gas turbine, chemical industry, oil and gas refining, environmental protection, marine and nuclear industry, etc.

EB ASTMA 56060Cr-40Ni is used in exhaust valve seat, sulfuric acid medium anti-knife, etc.

EB ASTMA 494CW-2M is used in mixed acid and chloride plant.

EB ASTMA 5383DUNS NO7718 is applied to aerospace, oil and gas refining and nuclear industry.

Pub Time : 2018-09-05 14:44:07 >> News list
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