Dear Friend,
Please read carefully part QW.191 and specially QW 191.1.2, then you will find your answer for all indications. Following to that you can find acceptance criteria for UT.
Regards
On Mon, Nov 25, 2013 at 10:51 AM, Kumar <sk7920541@gmail.com> wrote:
Dear All,
When conducting WPQT(welder performance qualification test), the
acceptance criteria for both visual & RT is SEC.IX, but the these are
seemed to be much short & liberal. like,
Visual- complete fusion & penetration only required for visual, then
what about undercuts, underfill, re-inforcement height etc ?
RT- only chart given is for porosity comparison (attached herewith).
what about slags and other defects?
If anybody has more details of the above part of SEC.IX, please share.
due to these reasons some times we find difficulty to judge sub-con
welder performances.
could we refert the construction code of the intended project in that case?
Appreciating your valuable feedbacks.
Thanks in advance,
Kumar
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M. Shokri Arfaei
ISA-ISTS - Metallurgy Lab. Manager
ASNT NDT Level III
International Welding Engineer
Tel.: +98 21 66282127
Fax: +98 21 66282779
Mob.:+98 912 1394023
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