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Coating
Selection For high alloy steel parts |
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Tool steels or high-speed steels (Including AISI 440C, and the A, D and
M Series steels) would normally be through-hardened and, therefore, be
wear resistant in their own right. For additional wear resistance and
to reduce pick-up, particularly in metal working operations, consider:
- Nitriding or Nitrocarburising even if the loads are high. Follow with
oxidation and oiling treatment for reduced pick-up. Used on warm forming
tools
- Hard Chrome Plate for excellent wear
prevention. But Note requirement for de-embrittlement. Good for deep
drawing operations
- PVD Coatings for moderate loads.
E.g. TiN. Diamond-Like Carbon will give low friction and low wear under
moderate loads. Used on cutting and cold-forming tools
- CVD Coatings for higher loads than with PVD. E.g. TiC. But note possible
problems of distortion. Used on carbide inserts and other cutting tools,
and on hot-forming tools
In some cases, clicking on the coating type will take you to the appropriate
Poeton product.
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