The heat treating method of a kind of low-carbon alloy structural steel

The heat treating method of a kind of low-carbon alloy structural steel

  • CN 103,320,584 B
  • Filed: 06/05/2013
  • Issued: 06/08/2016
  • Est. Priority Date: 06/05/2013
  • Status: Active Grant
First Claim
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1. the heat treating method of a low-carbon alloy structural steel, comprise by intermediate frequency heating bar preform forging shaping edge-cutting and hole-punching, it is characterized in that:

  • after punching, forging temperature is chilled between 800 ~ 850 DEG C in atmosphere in advance, forging is inserted temperature again in the continuous resistance stove of 650 �



    10 DEG C, insulation 60min, then comes out of the stove empty cold.

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