Bohler FOX NICUCR description: NiCuCr alloyed basic electrode for welding weathering resistant constructional steels such as CORTEN, PANTINAX, CORALDUR and KORALPIN. Excellent mechanical properties, and high crack resistance even when subjected to restraint. Metal recovery approx. 115%. Easily weldable in all positions except vertical-down. Very low hydrogen contents (acc. AWS condition HD < 4 ml/100 g weld metal).