[MW:1413] Re: Interpass temperature measurement.

Dear Kataiah,

It is clear in the vocabulary of ASME SEC.IX, that the interpass is the temperature before starting the subsequent pass.

Thanks and Regards,

K.Rajagopal

 

On 12/14/08, kataiah@bilfal.com <kataiah@bilfal.com> wrote:

Dear Friends,

I have a confusion regarding the measurement of interpass temperature.During GTAW welding of Titanium material, interpass temperature should be maintained very low to avoid oxidation (Blue color formation). When weld length is more, the moment welder starts welding   interpass temperature exceeds the specified limit. Before welding with next rod, interpass temp will be higher than specified but generally  we won't stop welding until total run or weld length is completed.
 
Please advise me when to measure interpass temperature.  
Regards
 
P.K 
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