March 14, 2011 | By Tim Hensley
Even though metal-cored wires have been gaining popularity in recent years, there seems to be some mystery and misconceptions surrounding this filler metal. To better understand these wires it helps to consider the technology behind them and the applications for which they are best suited. Additionally, it is important to know the general characteristics of metal-cored wires, along with the ways they can provide potential improvements in the welding operation.
To choose the best tubular electrode, you should consider some basic factors relevant to any welding application: base metal, gas, weld size, and joint position requirements.