Welding Fabrication Standards - EWF
Welding Fabrication Standards - EWF
Welding Fabrication Standards - EWF
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Welding</strong> <strong>Fabrication</strong> <strong>Standards</strong> Page 58<br />
NDT Technique Method Acceptance criteria<br />
Visual Examination<br />
(VT)<br />
Radiographic Testing<br />
(RT)<br />
Ultrasonic Testing<br />
(UT)<br />
EN 970 Refer to EN 5817 – level B<br />
EN 1435:1997, class B<br />
Istituto Italiano della Saldatura Lungobisagno Istria, 15 - 16141 Genova (I) - Tel. 01083411 - Fax 0108367780<br />
a b<br />
EN 1714:1998, class B b<br />
Penetrant Testing (PT) EN 571-1<br />
Magnetic Particle Testing<br />
(MT)<br />
EN 1290<br />
EN 12517:1998:<br />
Acceptance level 2<br />
and additional requirements<br />
EN 1712 :1997 c :<br />
Acceptance level 2 d<br />
EN 1289 :1998,<br />
Acceptance level 1<br />
EN 1291 :1998,<br />
Acceptance level 1<br />
NOTES:<br />
a<br />
However, the maximum area for single exposure shall correspond to the requirements of EN<br />
1435:1997, class A.<br />
b<br />
Class A for material group 1.1, 1.2, 8.1 when piping class is I or II.<br />
c<br />
For the characterisation of indications EN 1713 may be used.<br />
d<br />
Acceptance level 3 for material group 1.1, 1.2, 8.1 when piping class is I or II.<br />
Table 13 – Requirements for the non destructive testing of welds<br />
Figure 17 – Ultrasonic testing of a pipe to pressure vessel connection<br />
5.6 EN 13480-6: Additional requirements for buried piping<br />
This Part of EN 13480 identifies specific requirements for industrial piping either totally buried or<br />
partly buried and partly run in sleeves or similar protection, running at an operating temperature up<br />
to 75°C. This part must be used in conjunction with the other six parts of EN 13480.
Change language