Preliminary susceptibility to deficiency comparisons of thermit welds made using SkV and SkV-F moulds (TM-MF-005)

In 1978 the total number of broken, cracked and defective thermit welds reported was 520 but in 1979 this had increased to 775 (Table 1). As the thermit welding moulds had been changed at the beginning of 1979 from SkV to SkV-F, it was suspected that this mould change was...