Weld Defect - Guided Ultrasonics · 2018-08-07 · • Weld defect was positively identified using...

Distance (m)

A close up view of the defected weld with lack of root penetration which is visually unobservable.

A radiograph of the defected weld with lack of root penetration confirmed by the dark circumferential line.

Good WeldWeld Defect

• 3” Gas line

• Painted surface

Job Details

• Weld defect was positively identified using standard tools available in the WaveproTM

software

• Subsequent prove up using Radiographic Testing (RT) confirms a 85% lack of root penetration at positions reported in the unrolled pipe display

Main Findings

Equipment:

With the advanced interpretation tools such as frequency sweeping and C-Scan, welds can be screened for defects as part of the guided wave inspection.

Wavemaker® G3 EFC Solid Ring

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Guided Ultrasonics Ltd.Wavemaker House,

The Ham, Brentford, TW8 8HQUnited Kingdom

Email : info@guided-ultrasonics.comWebsite : www.guided-ultrasonics.comTel: +44 845 605 0227 ©2016 Guided Ultrasonics Ltd. All rights reserved.2016CaseStudy12_rev0

Ampl

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(dB)