Method for producing hot-formed steel product

Method for producing hot-formed steel product

  • CN 101,107,369 A
  • Filed: 03/23/2006
  • Published: 01/16/2008
  • Est. Priority Date: 03/31/2005
  • Status: Active Application
First Claim
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1. the manufacture method of a hot-formed steel product is characterized in that, is made of following operation:

  • The heating steel plate makes its austenitizing,With the average cooling rate more than 20 ℃

    /second described steel plate by austenitizing is cooled to martensitic transformation and begins temperature range below the temperature Ms,Cooled described steel plate is carried out thermoforming and obtains hot-formed steel product.

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