Fig. 2. Magnetogramm–H of jointA,indications:30–50mm—SCZ coincide swith t,y
the location of theoccurrence of the defectsof the weld seam; 120–150mm—SCZ
partly coincide swith the location of the occurrence of the defect sof the weld seam;
the area of the largest values of mareprobably the place of arc reignition,whichmay
alsosuggest the occurrence of imperfections517or601according to standard ENISO
5817;160–180mm—SCZ.