Method of producing a part with very high mechanical properties from a rolled coated sheet

Method of producing a part with very high mechanical properties from a rolled coated sheet

  • CN 101,400,819 A
  • Filed: 10/12/2006
  • Published: 04/01/2009
  • Est. Priority Date: 10/27/2005
  • Status: Active Application
First Claim
Patent Images

1. be coated with the steel part of compound, this compound is being made of at least a Fe-Zn base mutually above on its thickness 90%, the iron weight content of this Fe-Zn base phase equals 65% or higher, and the Fe/Zn ratio is 1.9-4, makes the thermal treatment of alloying between described steel and the precoated layer form described compound by at least one, and described precoated layer is a zinc base alloy, this alloy comprises, content represents with weight, the aluminium of 0.5-2.5% and optionally one or more are selected from following element:

  • Pb≤

    0.003%

    Sb≤

    0.003%

    Bi≤

    0.003%

    002%



    Si≤

    0.070%

    La<

    0.05%

    Ce<

    0.05%



    Surplus is made of zinc and unavoidable impurities.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×