High-manganese austenitic stainless steel for high-pressure hydrogen gas

High-manganese austenitic stainless steel for high-pressure hydrogen gas

  • CN 101,300,370 A
  • Filed: 10/27/2006
  • Published: 11/05/2008
  • Est. Priority Date: 11/01/2005
  • Status: Active Application
First Claim
Patent Images

1. the austenite High Manganese Stainless Steel of an anti-hydrogen embrittlement susceptibility excellence, it is characterized in that, by quality %, the Fe and the unavoidable impurities that contain C:

  • 0.01~

    0.10%, N;

    0.01~

    0.40%, Si;

    0.1~

    1%, Cr;

    10~

    20%, Mn;

    6~

    20%, Cu;

    2~

    5%, Ni;

    1~

    6%, its surplus, the index Md30 value of austenite stability satisfies following (A) formula-120<

    Md30<

    20 ·

    ·

    ·

    (A)Wherein, Md30 (℃

    ) be 551-462 (C+N)-9.2Si-8.1Mn-13.7Cr-29 (Ni+Cu)-18.2Mo.

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