Description

2520 stainless steel is austenitic chromium-nickel stainless steel, with good oxidation resistance and corrosion resistance of 2520 stainless steel, because the higher percentage of chromium and nickel makes it have much better creep strength, can continue to work at high temperatures, and has good high temperature resistance. Due to the high content of nickel (Ni) and chromium (Cr), it has good oxidation resistance, corrosion resistance, acid and alkali resistance, high temperature resistance steel pipe is dedicated to the manufacture of electric furnace tubes and other occasions, after increasing the content of carbon in Austenitic stainless steel, the strength is improved due to its solid solution strengthening effect. The chemical composition characteristics of Austenitic stainless steel are based on chromium and nickel to add molybdenum, tungsten, niobium and titanium, and because of its face-centered cubic structure, it has high strength and creep strength at high temperatures. Melting point 1470℃,800℃ began to soften, the allowable stress continued to decrease.

The maximum use temperature of the material can reach 1200 ℃, and the continuous use temperature is 1150 ℃. It is the first choice for low corrosion environment and high temperature resistant metal materials in the chemical industry at present, and is widely used in boilers, chemical heaters, heat pipes and so on. On the basis of 310, 2520 reduces the carbon and sulfur content, reduces the possibility of embrittlement of the material in the high temperature environment, and avoids excessive secondary cementite in the welding process.

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