NS143 corrosion-resistant alloy has excellent mechanical properties and a wide range of applications. It has excellent high-temperature strength and corrosion resistance, and can still maintain good mechanical properties in high-temperature environments. The alloy is widely used in chemical, petroleum, aviation and other fields, such as the manufacture of chemical equipment, oil pipelines, aero engines, etc. Its corrosion resistance and high-temperature strength make it an ideal material choice, capable of maintaining stable and reliable performance in extreme environments. The mechanical properties of NS143 corrosion-resistant alloy and its applications in different fields will be described in detail below.
NS143 alloy composition and heat treatment and properties.
The main components of NS143 alloy include nickel (Ni), chromium (Cr), molybdenum (Mo), iron (Fe), cobalt (Co) and other elements. Among them, the nickel content is higher, generally above 32%. In addition, NS143 alloy also contains a small amount of carbon, manganese (Mn), silicon (Si), copper (Cu), titanium (Ti), aluminum (Al) and other elements.
NS143 alloy can be used to improve the properties of the material through high-temperature heat treatment, and there are generally two types of heat treatment:
1. Solution treatment: NS143 alloy is heated to high temperature, so that various alloying elements in it are evenly dissolved together, and then cooled rapidly. This heat treatment can improve the hardness and strength of the alloy, but has no significant effect on corrosion resistance.
2. Solution-precipitation treatment: NS143 alloy is first solution treated, and then precipitated at a lower temperature, so that some elements in the alloy are precipitated out to form fine particles, which further improves the strength and hardness of the alloy. This heat treatment method also has a certain effect on improving corrosion resistance.