HI!
If you maintain the same parameters of the existing procedure, run an additional coupon & impact test at minus 30 degree C & add an addendum to the PQR.
Rgds,
vipin
On Tue, Jan 5, 2010 at 8:57 AM, Elshan Feyzullayev <elshan_f@hotmail.com> wrote:
Dear Friends,--
I have a welding to do on the material where the service temperature is -30 degree C. I have got a welding procedure which charpy V test was carried out at -20 degree C. can I use this procedure for welding of the material which the service temperature is -30 degree C?
regards,
Elilk.
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