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
On Mon, May 4, 2020 at 6:26 PM K K <karan.hbl@gmail.com> wrote:
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,
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