A flux-cored tubular welding wire, comprising: - a metallic sheath manufactured from a low-carbon steel or a low-alloy steel, and - a granular core, wherein the tubular welding wire comprises a manganese content less than 3,5 % by weight, and wherein the core comprises agglomerated titanium dioxide that includes a sintered mixture comprising titanium dioxide, silica, and sodium oxide, characterized in that the core comprises between 10% and 15% deoxidizing components by weight, between 4% and 18% alloying components by weight, between 10% and 15% arc stabilizing components by weight, between 40% and 50% slag forming components by weight, and between 5% and 25% filler metal by weight, wherein said deoxidizing components comprise magnesium powder, aluminum-zirconium metal powder, ferro-zirconium-silicon powder, aluminum-magnesium metal powder, aluminum powder, ferro-silicon metal powder, and/or calcium silicon powder; wherein said alloying components comprise ferro-molybdenum metal powder, nickel powder, copper powder, and/or high-carbon iron powder; wherein said arc stabilizing components comprise iron oxides, potassium fluorosilicate, sodium titanate frit and/or lithium oxide agglomerate; wherein said slag forming components comprise rutile powder, manganous oxide powder, and/or agglomerated titanium dioxide, wherein said titanium dioxide used to form the agglomerated titanium dioxide is a pigment-grade titanium dioxide component greater than 95% titanium dioxide; and wherein said filler metal is iron powder; wherein the core comprises a titanium dioxide content between 35% and 55%, wherein the metallic sheath provides 70% to 90% of the total weight of the tubular welding wire, and wherein the tubular welding wire includes between 6% and 8% pigment-grade titanium dioxide by weight. - a metallic sheath manufactured from a low-carbon steel or a low-alloy steel, and - a granular core, wherein the tubular welding wire comprises a manganese content less than 3,5 % by weight, and wherein the core comprises agglomerated titanium dioxide that includes a sintered mixture comprising titanium dioxide, silica, and sodium oxide, characterized in that the core comprises between 10% and 15% deoxidizing components by weight, between 4% and 18% alloying components by weight, between 10% and 15% arc stabilizing components by weight, between 40% and 50% slag forming components by weight, and between 5% and 25% filler metal by weight, wherein said deoxidizing components comprise magnesium powder, aluminum-zirconium metal powder, ferro-zirconium-silicon powder, aluminum-magnesium metal powder, aluminum powder, ferro-silicon metal powder, and/or calcium silicon powder; wherein said alloying components comprise ferro-molybdenum metal powder, nickel powder, copper powder, and/or high-carbon iron powder; wherein said arc stabilizing components comprise iron oxides, potassium fluorosilicate, sodium titanate frit and/or lithium oxide agglomerate; wherein said slag forming components comprise rutile powder, manganous oxide powder, and/or agglomerated titanium dioxide, wherein said titanium dioxide used to form the agglomerated titanium dioxide is a pigment-grade titanium dioxide component greater than 95% titanium dioxide; and wherein said filler metal is iron powder; wherein the core comprises a titanium dioxide content between 35% and 55%, wherein the metallic sheath provides 70% to 90% of the total weight of the tubular welding wire, and wherein the tubular welding wire includes between 6% and 8% pigment-grade titanium dioxide by weight.