There are lot of Factors involved in Radiography to determine the Density Variation for the ID penetration depth. Moreover you use a Double wall viewing and it is very difficult to determine.
Other methods include
1. Boroscopy
2. Ball run Test. A steel ball with the required diameter shall be passed through the tubes and determine the depth of penetration.
Thanks & Regards
J.Gerald Jayakumar
0091-9344954677
On Wednesday, January 31, 2018, 2:52:31 PM GMT+4, 'Sankaran Sp' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Experts,
During pipe to pipe welding by single V butt joint by GTAW process (example : 1" XXS P91 pipe), there is a weld reinforcement over the groove and maintained 2 to3 mm of height, such a way ID penetration is also there. How much of height ID penetration is allowed? which is to be checked by RT exam. Kindly clarify and give me any supporting/ document reference.
Regards,
Sankaran.SP
Welding & Metallurgy expert
Coimbatore, India
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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