Welding Fabrication Standards - EWF
Welding Fabrication Standards - EWF
Welding Fabrication Standards - EWF
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<strong>Welding</strong> <strong>Fabrication</strong> <strong>Standards</strong> Page 31<br />
Test<br />
method<br />
VT<br />
Quality level<br />
according to<br />
EN ISO 5817<br />
B<br />
C<br />
D<br />
Applicable standard for the testing<br />
method and relevant level<br />
EN 970 – no levels are specified<br />
Standard for the acceptance<br />
and relevant level<br />
Refer directly to the imperfections<br />
dimension as reported in EN ISO<br />
5817<br />
B EN 1289 – 2X<br />
PT<br />
C EN 527-1 – no levels are specified<br />
EN 1289 – 2X<br />
D<br />
EN 1289 – 3X<br />
B EN 1291 – 2X<br />
MT<br />
C EN 1290 – no levels are specified<br />
EN 1291 – 2X<br />
D<br />
EN 1291 – 3X<br />
B EN 13445 – level B EN 15817 - 1<br />
RT<br />
C EN 13445 – level B* EN 15817 – 2<br />
D EN 13445 – level C EN 15817 – 3<br />
B EN 1714 – At least level B EN 1712 – 2<br />
UT**<br />
C EN 1714 – At least level A EN 1712 – 2<br />
D Level not applicable***<br />
* However, the maximum area for single exposition shall be in accordance with level A<br />
** Only for ferritic steels<br />
*** However, level D can be applied, with the same requirements of level C, if agreed by the contracting parties<br />
Table 6 – Applicable standards for NDT examination according to EN 12062.<br />
Figure 10 – Ultrasonic Testing on a claw<br />
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