Steel material having little alumina cluster

Steel material having little alumina cluster

  • CN 1,678,761 A
  • Filed: 07/22/2003
  • Published: 10/05/2005
  • Est. Priority Date: 07/23/2002
  • Status: Active Grant
First Claim
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1. the steel of a few alumina clusters, these steel steel that to be castings form with the molten steel of the rare earth element more than a kind or a kind (REM) of Al deoxidation, interpolation Ce, La, Pr and Nd, it is characterized in that, in mass, be 0.5%~

  • 15% as the content of the REM oxide compound in the oxide based inclusion of principal constituent with respect to this oxide inclusion with aluminum oxide and REM oxide compound.

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