Hastelloy B is a high-temperature alloy with excellent corrosion resistance and high-temperature strength. Its chemical composition mainly consists of nickel (Ni) about 50%, iron (Fe) about 20%, chromium (Cr) about 15%, molybdenum (Mo) about 3%, and the rest of the composition includes titanium (Ti), copper (Cu), niobium (Nb), and manganese (Mn) and other trace elements.
Hastelloy B, with the specific grade number UNS N10001, is a special high-temperature alloy developed by Haynes International Inc. It has very high corrosion resistance and high-temperature strength for applications in high-temperature and highly corrosive environments.
Forging and heat treatment are important processes in the manufacture of Hastelloy B. The forging process needs to be carried out at high temperatures to ensure homogeneity and density of the material. The forgings are then heat treated to obtain the desired mechanical properties and corrosion resistance.
Cold working can further improve the strength and hardness of Hastelloy B, but will reduce its corrosion resistance. Therefore, the appropriate degree of cold working needs to be selected according to the specific situation during use.
Hastelloy B has good corrosion resistance and can be used in a variety of strong corrosive media. Its mechanical properties depend on the degree of heat treatment and cold working. At high temperatures, Hastelloy B has high strength and creep resistance.
In terms of welding, Hastelloy B can be welded with the same or different materials, and commonly used welding material grades include ERNiMo-7 and ERNiMo-10.
The application areas of Hastelloy B include petrochemical, chemical, aerospace, nuclear engineering, etc. For example, it can be used to manufacture high-temperature heat exchangers, reactors, catalyst carriers, furnaces and other high-temperature equipment.
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Post time: Aug-12-2023
