As per ASME Sec IX 2011
QW-191.2 Ultrasonic Examination
QW-191.2.1 Method
(a)
The ultrasonic examination in QW-142 for welders and in QW-143 for welding operators may be conducted on test welds in material 1⁄2 in. (13 mm) thick or greater.
(b) Ultrasonic examinations shall be performed using a written procedure verified by the manufacturer to be in compliance with paragraph T-150, Article 1, Section V and the requirements of Article 4, Section V for methods,procedures, and qualifications.
(c) Ultrasonic examination personnel shall meet the requirements of QW-191.2.2.
Personnel Qualifications and Certifications
(a) The Manufacturer shall verify all personnel performing ultrasonic examinations for welder and weldingoperator qualifications have been qualified and certified in accordance with their employer's written practice.
(b) The employer's written practice for qualification and certification of examination personnel shall meet all applicable requirements of SNT-TC-1A1 for the examination method and technique.
(c) Alternatively, the ASNT Central Certification Program (ACCP) or CP-1891 may be used to fulfill the examination and demonstration requirements of SNT-TC-1A and the employer's written practice.
(d) Provisions for the training, experience, qualification, and certification of NDE personnel shall be described in the Manufacturer's Quality Control System.
QW-142 Special Examinations for Welders :
Radiographic or ultrasonic examination per QW-191 may be substituted for mechanical testing of QW-141 for groove-weld performance qualification as permitted.
QW-304 to prove the ability of welders to make sound welds.
QW-143 Examination for Welding Operators
Thank & Best Regards,
M Veera SAMY- Bureau Veritas.
Coimbatore
> Subject: [MW:15120] WQT Acceptence by UT
> From: ajayengr2k53@gmail.com
> To: materials-welding@googlegroups.com
>
> Dear experts
> is there any new ammandmends for welder qualification,where we can
> accept UT Test istead of Destructive/RT Test ?
>
> Regards
> Ajay Kumar
>
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