Service failure of SKV & SKV-F thermit welds from Jan 1979 to May 1980 (TM-MET-066)

Following its introduction in 1972, the SkV thermit welding process (quick welding process with short preheat) has progressively replaced the prec eding SmW process. In 1977 a modification to the SkV process became available in which the moulds were re-designed to produce a weld with a small collar. (see Fig...