Patent ID: 8669491

Claim:
A weld deposit composition produced from a flux-cored welding wire consisting of, by percent mass: between 0.7% and 2.0% Carbon; between 0.1% and 0.5% Manganese; between 0.7% and 1.4% Silicon; between 6.0% and 11.0% Chromium; between 0.5% and 2.0% Molybdenum; between 2.0% and 8.0% sum of Niobium and Titanium; between 0.2% and 1.0% Vanadium; between 0.2% and 0.9% Boron; between 0.4% and 0.8% Copper; and a balance comprising Iron; wherein amounts of Titanium and Niobium are balanced with amounts of Carbon and Boron to form intermetallic carbides and borides that act as grain refiners; the ratio of Titanium or Niobium to Boron being about 4.4 for Titanium Boride, about 2.2 for Titanium Diboride, about 8.6 for Niobium Boride, and about 4.3 for Niobium Diboride.