Fig. 2. Magnetogramm–H ofjointA,indications:30–50mm—SCZcoincideswith
t,y
the location of theoccurrence of the defectsof the weld seam; 120–150mm—SCZ
partlycoincideswiththelocationoftheoccurrenceofthedefectsoftheweldseam;
theareaofthelargestvaluesofmareprobablytheplaceofarcreignition,whichmay
alsosuggesttheoccurrenceofimperfections517or601accordingtostandardENISO
5817;160–180mm—SCZ.