Re: [MW:23996] UG84.6 IMPACT SPECIMEN CLARIFICATION

Hi
All 3 welding process shall be covered for impact testing.

Please confirm the joint is single vee or double vee.
In case if double vee joint what will be the welding process on back side welding or after back chipping, in case after back chipping if smaw process was used, needed to select impact test specimens for smaw and saw process.

Please note that sub size specimens will also be acceptable with subsequent temp. reduction.

Answer for your query: No,  3 welding process impact test specimens are required for acceptance if no back chipping was carried out.

With kind regards
Govindan

On 22 Dec 2015 19:52, "venkat guru" <g.venkatesan06@gmail.com> wrote:

Hi all,

Code: ASME VIII

Condition : PQR/PTC completed with combination of 3 welding process

During testing,  impact test specimen taken as per UG84 but 2 welding process not covered due to some reason
(I.e) all 10x10x55 specimen only cover one process out of 3 process.

After impact testing,  all results are accepted.

Now, Is these accepted results applicable only for tested one process or initial 3 process?

pls reply with appropriate justification

Thanks
Venkatesan
g.venkatesan06@gmail.com
+65 84392538

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