with that pqr u have to carry out welding with existing essential variables without anychange and supplimentary essential variables. u need not do tensile and bend test, u have to do only impact test and rewrite another wps or make revision
kgp
On Thu, Aug 26, 2010 at 5:31 AM, Larry <quality@unieng.com.au> wrote:
--Hi There,
We have an existing WPS, The existing WPS doesn't have a cold service specification, and we would like to do a test coupon from that WPS and have it charpy tested, so we can revised the existing WPS. Now the requirement of the client is -70 degrees Celsius. Is that alright or do we have to do another PQR? Code is ASME IX.
Thank you,
Larry Zarate
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