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Vervo forged steel valve
From:net    Date:2008-12-26
Forging offers uniformity of composition and structure. Forging results in metallurgical recrystalisation and grain refinement as a result of the thermal cycle and deformation process. This strengthens the resulting steel product particularly in terms of impact and shear strength.

Forged steel is generally stronger and more reliable than castings and plate steel due to the fact that the grain flows of the steel are altered, conforming to the shape of the part.

The advantages of forging include:

  • Generally tougher than alternatives
  • Will handle impact better than castings
  • The nature of forging excludes the occurence of porosity, shrinkage, cavities and cold pour issues.
  • The tight grain structure of forgings making it mechanically strong. There is less need for expensive alloys to attain high strength components.
The tight grain structure offers great wear resistance without the need to make products “super hard”
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