ES TIG 90S-B3 is a 2.5Cr-1.1Mo-alloyed (ER90S-B3), copper-coated rod for the GTAW of creep-resistant steels like SA-387 Grade 22, A335 Grade P22 or similar materials.
ES TIG 90S-B3 typically used in chemical industries for heat exchangers, boilers, piping and pressure vessels at service temperatures up to 1100°F (590 °C).