High-hardenability gas storage seamless steel pipe and its production method

High-hardenability gas storage seamless steel pipe and its production method

  • CN 107,338,396 A
  • Filed: 06/28/2017
  • Published: 11/10/2017
  • Est. Priority Date: 06/28/2017
  • Status: Active Application
First Claim
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1. a kind of high-hardenability gas storage seamless steel pipe, it is characterised in that its chemical composition includes in percentage by weight:

  • C 0.29~0.31;

    Si 0.25~0.30;

    Mn 1.15~1.30;

    Cr 0.5~0.6;

    Mo 0.15~0.20;

    P≤

    0.015;

    S≤

    0.010;

    Al 0.015~0.025;

    Ti 0.02~0.04;

    Remaining is Fe.

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