.Example Fidur 23/250 E23UM250CKNPTZ12345 1Short symbol for manual arc welding 2ShortsymbolAlloy group and application1Unalloyed up to 0.4% C or low-alloyed up to 0.4% C and up to max. 5 % alloy constituents Cr, Mn, Mo, Ni in total; soft surfacing, e. g. fill-up welding, buffering layers2Unalloyed with more than 0.4% C or low-alloyed with more than 0.4%C and up to max. 5% alloy consitutents Cr, Mn, Mo, Ni in total; running wheels3Alloyed
