Monday, 22 February 2016

Defects due to Heat treatment of steel

  1. Overheating.
  2. Burning.
  3. Quenching cracks.
  4. Warping*.
  5. Decarburisation.
  6. Corrosion.
  7. Excessive hardness of hot worked annealed steel.
  8. Insufficient hardness after quenching.
  9. Excessive hardness after tempering.
  10. Insufficient hardness after tempering.

*warping means become bent or twisted, out of shape

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