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Treatment to remove this martensite and restore its non-magnetic properties
classification：
When solidification, because some of the reasons for smelting will remain part of the magnetic, 304 for example, will remain 3-8% is normal, so austenite should belong to non-magnetic or weak magnetic.
Austenitic stainless steel is not magnetic, but its cold processing hardening, γ phase will be part of the generation of martensite phase change will produce magnetic, available heat treatment methods to eliminate this martensite organization and restore its non-magnetic.
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