Esab Dual Shield 8000-B2L description: Dual Shield 8000-B2L is an all-position flux cored electrode for low carbon grades of 1.25% Cr - 0.5% Mo steels. It is designed for use with 75% - 90% Argon, remainder CO2 shielding gases. The weld metal analysis is similar to an E8018-B2L low Hydrogen electrode.