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Does stainless steel have magnetism?

Release time:2021.08.06 Announcer: Hits:

Carbon steel, ferrite and Martensitic stainless steel are magnetic.


Stainless steel is often arranged into: martensitic steel, ferrite steel, austenitic steel, austenitic - ferrite (double phase) stainless steel and stacking hardening stainless steel. Other, can be divided into: chromium stainless steel, chromium nickel stainless steel and chromium manganese nitrogen stainless steel. And special stainless steel for pressure vessels.


Carbon steel, ferrite type and martensite stainless steel is magnetic, austenitic stainless steel is not magnetic, but its cold work hardening martensite phase transition will be magnetic, can be used to eliminate the martensite arrangement and rehabilitation of its magnetic.


Ferrite stainless steel contains 15% ~ 30% chromium. Its corrosion resistance, tolerance and weldability advance with the addition of chromium content, and chloride stress corrosion resistance is better than other varieties of stainless steel. Because of the high chromium content of ferrite stainless steel, the corrosion resistance and oxidation resistance function are better, but the mechanical function and process function are poor, mostly used for acid resistance structure and oxidation resistance steel with little force.


This kind of steel can resist the corrosion of atmosphere, nitric acid and brine solution, and has the characteristics of high temperature oxidation resistance, small thermal expansion coefficient, etc., used in nitric acid and food factory equipment, can also be manufactured under high temperature parts, such as gas turbine parts, etc.

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