Ferritic stainless steel

Ferritic stainless steel

  • CN 104,619,879 A
  • Filed: 06/26/2013
  • Published: 05/13/2015
  • Est. Priority Date: 06/26/2012
  • Status: Active Application
First Claim
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1. ferritic stainless steel, it has the hot strength of enhancing and good anti-high cycle fatigue, creep resistance and oxidation-resistance, it is applied for high temperature, for the parts of such as automobile gas exhausting manifold branch, it is characterized in that, described steel is by weight percentage containing the carbon being less than 0.03%, the silicon of 0.05-2%, the manganese of 0.5-2%, the chromium of 17-20%, the molybdenum of 0.5-2%, be less than the titanium of 0.2%, the niobium of 0.3-1%, the copper of 1-2%, be less than the nitrogen of 0.03%, the boron of 0.001-0.005%, the surplus of chemical constitution is the inevitable impurity occurred in iron and stainless steel, and proof strength R p0.2for 450-550MPa.

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