Joining method of high carbon steel for endless hot rolling and the apparatus therefor

Joining method of high carbon steel for endless hot rolling and the apparatus therefor

  • CN 101,374,628 B
  • Filed: 11/20/2006
  • Issued: 06/10/2015
  • Est. Priority Date: 12/26/2005
  • Status: Active Grant
First Claim
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1. , for shearing-joint method of endless hot rolling high-carbon steel material, comprising:

  • Be suitable for by one the connector that is bonded together by metal bar after the afterbody of front metal bar and the head overlap of rear metal bar in hot rolling workshop, shear-engage high-carbon steel metal bar, the thickness direction surface thereof at metal bar is formed with the composition surface of the metal bar making joint, this high-carbon steel metal bar comprises the C of 0.30% to 1.20% by weight percentage, the Fe of inevitable impurity and residue percentage, or comprise the C of 0.15% to 1.5%, comprise Cr, Ni, Mo, V, Ti, W, B, at least one in Nb and Sb, the Fe of inevitable impurity and residue percentage, under condition wherein in the scope that stroke ratio is 1.55 to 1.7, carry out the shearing-joint of metal bar, the trip is than to represent the value obtained after the thickness of total displacement of the cutter of connector and bottom knife divided by metal bar, and, wherein under the pressure of 50MPa or less by the part descale to be joined of metal bar.

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