Control t 8/5 during job welding for non PWHT joints.

[K K]

Dear Experts,

Please clarify to me , how to control t 8/5 during job welding for non PWHT joints ?

I have calculated 3D and 2D Heat flow, but the client is asking how to control t8/5 in production weld ( method to measure production welding( on job ).

 

 Thanks in advance.

Regards,

[Ramin Kondori]

Dear Karan,

You should continuously record the temperature during welding of the PQR test coupon.

It's better to have thermometers linked to a temperature recorder so you could have a reliable and permanent record of these temperature readings; all the parties sign it and you can easily calculate the calculate T8/5 for future use.

Regards

Ramin  Kondori

Sr. QA/QC & Welding Engineer

-----------------------------------------------------------

PG-Dip. in Welding Engineering (IWE  AT  0070)

BSc. in Civil Engineering (IUT)

BGAS Painting Inspector

ASNT Level I&II

                        

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