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Introduction

New and advanced NDT techniques are continually under development. TWI is at the forefront of research and development within the welding and joining of materials. This also necessitates looking at the inspection of such joints and associated materials, which leads to NDT.

Whilst TWI offers training and certification in long established conventional NDT methods, we also offer certification and training in advanced NDT techniques such as phased array ultrasonic testing, time of flight diffraction, computed/digital radiography, thermography, alternating current field measurement (ACFM) and automated ultrasonic testing (AUT).

Your theoretical training can be complemented with our eLearning and blended learning packages which allows you to prepare for your course and examination in your own time and at your own pace.

Realise your potential with TWI

Verta Dragoi

Case study

Keeping her knowledge up-to-date, Vera Dragoi lets her experience speak for itself.

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Career path

From a career perspective, adding additional expertise by achieving advanced technique certification improves your job opportunities and often leads you down a more fulfilling and exciting career path at the cutting edge of non-destructive testing. All of this adds to your continued professional development.

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Why choose TWI?

TWI has long been a forerunner in NDT training and certification spanning over 50 years with highly knowledgeable staff and a worldwide network of locations which is trusted by industry to deliver NDT training to the level they require.

Advanced eLearning/blended learning NDT products

We have launched a range of eLearning/blended learning products for non-destructive testing (NDT) courses, giving you more choice and opportunities for more flexible learning when you enrol.

We have offer pre-course, blended learning, appreciation and refresher courses.

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Customised training

If you can't find a training course to suit you, we can create bespoke courses to meet your individual, industrial or company needs.

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A career in NDT

Alexander Tsougranis explains how to get into NDT, the benefits and the career progression opportunities


Did you know?

Refresher training courses - theory and practical

These cover both theory and practical training tailored to your specific needs and are ideal if you are seeking recertification at Level 2 or 3, or preparing to take retests in specific areas.
We also offer the option of learning remotely via our Virtual Academy.

Contact us for more information!

Customised courses

We can create bespoke courses to meet your individual, industrial or company needs so if you can't find course to suit you, contact us!

CSWIP Employer-Specific Certification

This procedure-driven certification compliant to EN ISO 9712 can be tailored to specific NDT application(s).

Ask us about the scheme!


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Globally recognised qualifications

You can access the scheme documentation which includes detailed information regarding entry requirements for CSWIP or PCN

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Professional Membership of The Welding Institute

Membership gives you access to all the technical knowledge that you need and will also make it easier for you to achieve your own personal learning and development goals.

You can also qualify for a 5% discount on training courses. Find out more!

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Continuing Professional Development

You can gain CPD points when attending this course - Find out more!


Frequently asked questions

Try our list of frequently asked questions.

If you can’t find an answer, please contact us using the button below: Contact customer services

How can I verify the required industrial experience?

Industrial application of the NDT method is a requirement before certification can be awarded. If you are working for a company using the method, it is a case of logging this experience and having this verified by your supervisor or if you are working on a contract as self-employed it can be signed by the contract client (Note: NDT certification schemes often require that the person verifying your experience holds the same NDT method and level of qualification themselves).

The experience duration needs to match the minimum requirements as detailed by the certification scheme documents, these can be found on the scheme websites (e.g. CSWIP or BINDT).

Can I use my welding inspector experience for NDT?

Unfortunately any experience claimed must be in the same NDT discipline, however, for visual testing (VT) a welding inspection certificate may contribute towards the EN ISO 9712 visual testing (VT) experience requirement for the welds sector.

Can I come and sit on the course without any industrial experience?

Yes, for those not working for a company or on a contract that is using the NDT method a 2-year period is normally given after the examination date to send your experience verification to the scheme body. For further advice please do not hesitate to contact us, however, this applies only to Levels 1 and 2.

What are the best courses to start with?

We normally advise candidates to start with a surface inspection such as penetrant inspection (PT) or magnetic particle (MT), however if a candidate already has NDT experience in another method, we would perhaps suggest sitting the course in that particular method. Generally you should aim to achieve at least 2 surface inspection methods and what we call a volumetric inspection method such as radiography or ultrasonic testing.