Castolin Eutectic® EutecTrode® Xuper 646 XHD 5/32" Dia Impact Resistance Hard facing Electrode is designed for intermediate layers and rebuilding 13% manganese steel, alloy steels and hardenable steels. Electrode is highly suitable for drive sprockets, tracked vehicle wheels and return rollers, rails and rail points. High impact and crack resistance electrode features high deposition rates and is used to join and hardface carbon and manganese combinations.