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(2) In the construction industry, non-magnetic steel is used to avoid the influence of magnetic field in the magnetic shelter. The power conduction network equipment and the protective shelter of large aircraft all use non-magnetic steel. The total number of electric bicycles in China has been more than 120 million, and the motors are largely using non-magnetic steel.
(3) Non-magnetic steel materials are also required for petroleum drill collars, non-magnetic molds and bearings.
(4) In the field of national defense and military industry, non-magnetic steel is used to manufacture the hull of minesweeper, non-magnetic engine and structural materials of covert submarine. The use of non-magnetic steel can play a very good effect on the stealth of military ships. For example, the non-pressure hull of Russian Typhoon class nuclear submarine uses high strength non-magnetic steel. Germany has always used magnetic steel to build submarines, 212 submarine is the use of high strength stainless magnetic steel.