Dear All,
we are using FILLER WIRE ER 90SB3 FOR SA387GR22 CL-2 thk 6mm...we are are pre-heating to 150 with torch....after doing tacking, about 95% of tacks are found to have cracks .We have not released for Welding.The filler material is checked and ok. pls give your sugestions.
Regards
Vasu
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