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Magnetic Permeability of 303 Stainless Steel 2
- Thread starter nca
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Type 303 and other 300 series austentic stainless steels will be magnetic after cold work. The equilibrium crystallographic phase for these materials is austenite or face centered cubic, which is not ferromagnetic. Plastic deformation will cause a deformation induced phase change to martensite, which is body centered tetragonal and ferromagnetic. <br><br>Machining can cause sufficient deformation at the surface to cause noticeable magnetic permeability. This condition can probably be corrected by taking lighter final machining cuts.
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