Ceramic positioning pins and positioning pins of other materials play the same role. Both are used to limit the displacement of objects and play a role in positioning certain two connectors. However, although the function is the same, the application environment is different. The application part of the metal positioning pin often needs to bear a relatively large deformation force; while the ceramic positioning pin does not need to bear too much load, but it has to bear the anti-corrosion , Resistant to strong acids and alkalis, etc. Therefore, the application fields of metal positioning pins and ceramic positioning pins are actually quite different. At present, ceramic positioning pins are mainly used in petrochemicals, deep-sea oilfield exploitation and other fields where the use environment is more complicated.

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