Patent ID: 8629374
Filing Date: 2014-01-14
Classification: B23K

Abstract:
1. A cored electrode having reduce moisture pick-up properties and which forms a weld bead with low diffusible hydrogen in mild and low alloy steel comprising a metal sheath and a fill composition, wherein said fill composition is about 6-80 weight percent of said cored electrode, said fill composition including titanium dioxide, a slag forming agent and a moisture resistant compound, said moisture resistant compound comprising a sodium-silico-titanate compound, wherein said sodium-silico-titanate compound is formed of a combination of a titanium compound, a potassium compound, a sodium compound and colloidal silica, said moisture resistant compound having an average particle size of 30-250 mesh, said moisture resistant compound including over 50 weight percent titanium compound, said moisture resistant compound having a weight ratio of sodium compound to potassium compound of about a 1.1-5:1, and said moisture resistant compound including at least about 1 weight percent colloidal silica, said colloidal silica having an average particle size of less than about 40 nm.