[MW:2561] Re: QW 407.3

Hi,

That is if you do heat treatment of your PQR Test coupon to 80 minutes soaking time, then you can write a WPS for production welds to the maximum of 100 minutes soaking time.

Thanks,

K.Rajagopal
 

On 6/27/09, Jamie Welding <jamesmathewtrading@gmail.com> wrote:

Hi folks,
Can any one of u interpret the QW 407.3.
Especially the part PQR should be at least 80% aggregate times that in
production welds.
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