Austenitic system stainless steel with excellent resistance to aqueous vapour oxidation and its making method

Austenitic system stainless steel with excellent resistance to aqueous vapour oxidation and its making method

  • CN 1,443,867 A
  • Filed: 03/10/2003
  • Published: 09/24/2003
  • Est. Priority Date: 03/08/2002
  • Status: Active Application
First Claim
Patent Images

1. austenite stainless steel pipe that water-fast steam oxidation is good, it is characterized in that, this steel pipe contains, by quality %, C:

  • 0.03-0.12%, Si;

    0.1-0.9%, Mn;

    0.1-2%, Cr;

    15-22%, Ni;

    8-15%, Ti;

    0.002-0.05%, Nb;

    0.3-1.5%, sol.Al;

    0.0005-0.03%, N;

    0.005-0.2% and O;

    0.001-0.008%, rest part is made of Fe and impurity, and is that the austinite grain size level number is the fine grained texture more than 7.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×