your situation P11 material is not much problem.you should mt or pt on
the weld to check if the any cracks are inside.if there are cracks you
need to remove them and get weld in inteepass temperature before
welding.then complete the weld.
On 11/10/11, venkat ramana <venkatgps.ramana@gmail.com> wrote:
> Dear All,
>
> While welding of ASTM A335 Gr P11, what to do if welding was stopped after
> Root
> Pass ,Hot Pass and One Fill-Up done without completing the job? Can we do
> immediately Post Heating for the un-finished job and continue welding next
> day? or Should we cut and re-weld the joint?
>
> I have one more doubt... In the above situation what if welding and
> Pre-heating(coil heating) was stopped due to power failure for 2 to 3 hrs
> and the joint has to come to room temp. Should the joint be cut and
> re-welded?
>
> Regards
> Venkat (QC Inspector)
> Qatar
>
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