What are the common corrosion-resistant alloys? Corrosion-resistant alloys are a type of metal material with corrosion resistance. They play a great role in the fields of chemistry, petroleum, marine engineering, etc. In the market, manufacturers will classify them into various types according to the different corrosion-resistant alloy components. The application characteristics of different corrosion-resistant alloys are also different. Let's take a look with the editor!

1. Stainless steel

Stainless steel is one of the most common corrosion-resistant alloys. Its main components are iron, chromium, nickel and a small amount of carbon. According to the different chromium content, stainless steel can be divided into martensitic stainless steel, ferritic stainless steel, austenitic stainless steel and duplex stainless steel. Among them, austenitic stainless steel (such as 304 and 316 stainless steel) has excellent corrosion resistance and processing performance due to its high nickel and chromium content. It is widely used in chemical industry, food processing and medical fields.

2. Nickel-based alloy

Nickel-based alloy is an alloy with nickel as the main component and chromium, molybdenum, copper and other elements added. This type of alloy has excellent high temperature resistance and corrosion resistance, especially in oxidizing and reducing media. It shows good stability. Common nickel-based alloys include Inconel, Monel and Hastelloy, which are widely used in the manufacture of chemical equipment, offshore platforms and nuclear reactor components.

3. Copper-based alloys

Copper-based alloys are alloys with copper as the main component and zinc, tin, nickel and other elements added. This type of alloy has good electrical conductivity, thermal conductivity and certain corrosion resistance, especially in marine environments. Copper-nickel alloy (such as white copper) is one of them, which is often used to manufacture seawater desalination equipment, ship components, etc.

4. Zirconium alloys

Zirconium alloys have very low thermal neutron absorption cross-sections, high hardness, ductility and corrosion resistance. Therefore, they have important applications in the field of nuclear technology. The typical composition of nuclear-grade zirconium alloys is more than 95% zirconium and less than 2% tin, niobium, iron, chromium, nickel and other metals. The addition of these metals improves its mechanical properties and corrosion resistance. Zirconium alloy has good corrosion resistance, moderate mechanical properties, low atomic thermal neutron absorption cross section, and good compatibility with nuclear fuel in high-temperature and high-pressure water and steam at 300-400℃, so it is often used as core structural materials of water-cooled nuclear reactors, such as fuel cladding, pressure tubes, brackets and channel tubes.

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To sum up, the editor has explained to you what are the common corrosion-resistant alloys and the categories of corrosion-resistant alloys. There are many types of corrosion-resistant alloys. Each alloy has different composition, performance and application fields. When choosing a corrosion-resistant alloy, consider it according to the requirements of use. If you want to know specific alloy information, you can find the material manufacturer.