Patent ID: 9403241
Filing Date: 2016-08-02
CPC Classification: B23K,Y10T

Claim Text:
1. A welding electrode for use in welding cast irons, the welding electrode comprising: a core wire comprising approximately 50% Nickel and approximately 50% Iron; and a coating on the core wire comprising between approximately 0.3% and approximately 4.0% Magnesium and rare earth metals and oxides, the welding wire producing an austenitic weld deposit composition comprising: between approximately 54% and approximately 60% Nickel; between approximately 3.5% and approximately 5.5% Manganese; and between approximately 0.9% and approximately 1.4% Carbon; approximately 0.5% Silicon; less than approximately 0.03% Sulfur; less than approximately 0.2% Copper; less than approximately 0.5% Aluminum; and between approximately 33.0% and approximately 41.5% Iron; wherein the weld deposit is carbide-free and the Carbon is present in the form of nodular graphite and wherein the weld deposit is carbide-free in a fusion zone and a mixed zone and throughout the weld structure.