[MW:4243] interpass temperature for SAW welding(by twin wire) of line pipe by API5L

Dear all

 

please inform me how we can check interpass in helical welding  for line pipe by Automatic SAW( twin wire).  what will be interpass temperature.

 

 base material is API 5L Gr. 65, thickness is  10.01 mm.

 

filler wire is L70 & Flux is P223.

 

welding requires impact testing. please inform me whether interpass is required to be checked or not.

 

Thanks & Regards

 

Asad

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