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3J21


3J21 is a Co-Cr-Ni-Mo high elastic alloy, which belongs to the deformation strengthened cobalt-based alloy. It has good plasticity and is easy to process in the solid solution state. After cold processing and aging treatment at large strain rate, 3J21 can obtain high mechanical and elastic properties, high hardness, strength, elastic limit, energy storage ratio, fatigue strength, non-magnetic, good wear resistance, shock resistance, and excellent corrosion resistance, The working temperature can reach 400 ℃, and it can also work at low temperature. 3J21 alloy has a wide range of applications in the fields of national defense and civil industry. It is suitable for making small cross-section elastic elements and precision components on aerospace vehicles, such as clockwork springs, tension wires, shaft tips, special bearings and other elastic sensitive elements and elastic elements. To maintain the stability of 3J21 alloy properties; It needs to be aged before manufacturing.

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