Ferritic stainless steel

Ferritic stainless steel

  • CN 104,364,404 A
  • Filed: 05/23/2013
  • Published: 02/18/2015
  • Est. Priority Date: 05/28/2012
  • Status: Active Application
First Claim
Patent Images

1. a ferrite-group stainless steel, it is characterized in that, in mass %, containing below C:

  • 0.020%, below Si;

    1.0%, below Mn;

    1.0%, below P;

    0.040%, below S;

    0.030%, more than Cr;

    16.0% and less than 20.0%, below N;

    0.020%, more than Nb;

    0.30% and less than 0.80%, Ti;

    4 ×

    (C%+N%) more than % and less than 0.50%, Al;

    lower than 0.20%, more than Ni;

    0.05% and less than 0.40%, more than Co;

    0.01% and less than 0.30%, and surplus is made up of Fe and inevitable impurity, wherein, described C%, described N% represents C respectively, the content (quality %) of N.

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