What are the classification and characteristics of nickel base corrosion resistant alloys?
Nickel base alloy is a kind of alloy with high strength, oxidation and corrosion resistance at 650 ~ 1000 ℃. According to the main properties, it is subdivided into nickel base heat resistant alloy, nickel base alloy, nickel base alloy, nickel base precision alloy and nickel base shape memory alloy. According to the different matrix, superalloys are divided into iron-based superalloys, nickel based superalloys and cobalt based superalloys. Nickel base superalloy is called nickel base alloy for short.
The nickel base corrosion resistant alloy elements are copper, chromium and molybdenum. It has good comprehensive properties and can resist all kinds of acid corrosion and stress corrosion. The application (produced in the United States in 1905) is nickel copper (Ni Cu) alloy, also known as Monel alloy (ni70cu30); In addition, there are nickel chromium (Ni Cr) alloys (that is, nickel base heat-resistant alloys, heat-resistant and corrosion-resistant alloys in corrosion-resistant alloys), nickel molybdenum (Ni Mo) alloys (mainly Hastelloy B Series), nickel chromium molybdenum (Ni Cr Mo) alloys (mainly Hastelloy C Series), etc. At the same time, pure nickel is also a typical representative of nickel based corrosion resistant alloys. These nickel base corrosion resistant alloys are used to manufacture various corrosion-resistant environmental components such as petroleum, chemical industry and electric power.
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