we are also have the same problem before, i am suggesting you to put a
tacking bridge same material as base metal and to be tack in bevel
face and increase the preaheat temp. up to 177-180 deg. celcius
marcelo p. soriano
qa/qc eng'r
On Dec 3, 7:37 am, srinivas rao <ksrv...@gmail.com> wrote:
> 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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