Dear experts,
I seek ur advice on the subject. The details as follows,
We are supposed to do a nozzle extension internally on a vessel of 57 mm thick shell (shell material A516 gr. 70) which requires impact testing. The pipe used is 316L of thickness 3.76 mm. How many PQRs will be required to cover the thickness range with all pthee essential variables as identical.
Regards
Anandh kumar
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
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