Esab Tigrod ER80S-B2 description: TIGROD ER80S-B2 is a chrome-moly TIG rod used for joining creep resistant steels of the 0.5% Cr - 0.5% Mo, 1% Cr - 0.5% Mo, and 1.25% Cr - 0.5% Mo grades. These non-copper-coated rods are primarily used to fabricate and repair power piping and boilers in the power generation industry.