JT0202
Petroleum
- Mar 26, 2018
- 6
Hello,
I have some questions for the RT inspection of Carbon Steel 14" OD x 0.75" WT.
I need to achieve 1-2T sensitivity, and would like to know the requirements.
Per Article 2, IQI designation would be 7 and we would have to achieve to see 2T hole.
In regards to the wiresize, what do I need to achieve:
- per Article 2, Wire 4 (1% of 0.75 = 0.0075") or
- per Article 22, SE-747, Table 4 (wire sizes equivalent to corresponding 1T, 2T and 4T holes in various hole type plaques) plaque thickness 0.006" (there is no 0.0075") and 2T hole will give a wire diameter of 0.004, equivalent to Wire 2
Thank you
I have some questions for the RT inspection of Carbon Steel 14" OD x 0.75" WT.
I need to achieve 1-2T sensitivity, and would like to know the requirements.
Per Article 2, IQI designation would be 7 and we would have to achieve to see 2T hole.
In regards to the wiresize, what do I need to achieve:
- per Article 2, Wire 4 (1% of 0.75 = 0.0075") or
- per Article 22, SE-747, Table 4 (wire sizes equivalent to corresponding 1T, 2T and 4T holes in various hole type plaques) plaque thickness 0.006" (there is no 0.0075") and 2T hole will give a wire diameter of 0.004, equivalent to Wire 2
Thank you