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Systems and methods for corrosion-resistant welding electrodes

  • US 11,052,493 B2
  • Filed: 10/30/2018
  • Issued: 07/06/2021
  • Est. Priority Date: 10/09/2013
  • Status: Active Grant
First Claim
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1. A corrosion-resistant weld deposit formed on a coated workpiece, wherein the weld deposit comprises:

  • greater than 50% iron by weight;

    between greater than approximately 0.5% and less than 10% chromium by weight;

    between greater than approximately 0.02% and less than 10% nickel by weight; and

    between approximately 0.05% and approximately 2% copper by weight;

    a total alloy content, including chromium, nickel, and copper, of less than 10% by weight;

    wherein the weld deposit has a porosity less than approximately 0.25 inches per inch of the weld deposit; and

    wherein the weld deposit is a low alloy weld deposit that is characterized by a martensitic structure, a ferritic structure, or a combination thereof.

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