Patent ID: 7763822
Filing Date: 2010-07-27
Classification: B23K

Abstract:
1. A tubular weld wire comprising: a steel sheath encapsulating a core; the core formulated for submerged arc welding and comprising one or more non-metallic compounds selected from the group of non-metallic compounds consisting of Al 2 O 3 , Na 2 O 3 , MgCO 3 , MgAl, CaF 2 , CaCO 3 , MgO and combinations thereof, wherein the total percentage of one or more non-metallic compounds in the core composition ranges from about 1% Wt to about 30% Wt and wherein the non-metallic compounds are Al 2 O 3 and Na 2 O 3 with the total percentage of 14% Wt.