Published on 18-Mar-2024

The most Prestigious NDT Certifcations you must have

The most Prestigious NDT Certifcations you must have

Table of Content


If you have an eye for detail and a passion for ensuring safety and quality in various industries, a career with Non-destructive Testing (NDT) qualifications might be the perfect fit.

NDT inspector certification plays a critical role in ensuring that structures, equipment, and materials meet industry standards without causing damage.

For those who are not familiar with NDT Testing Certification, let us clear it up for you. So, it can be defined as a written or authorized document that indicates an NDT Technician has all the needed skills to perform NDT Methods.

He or she should be well equipped with the capability to conduct the tests according to the approved Non-destructive Testing Standards.

It also gives the consumer confidence that they have fulfilled the required educational qualifications without modification.

To be competent to conduct NDT Certification level 2 and NDT level 1 Inspections, one must have the competency to carry out inspections and interpret the results of the NDT Training and Testing Center

Why is NDT Important?

Dissimilar to destructive testing methods, in Non-destructive Testing, the interpretation of outcomes is not that simple.

For instance, when it comes to destructive tests, such as hardness testing or tensile testing, the outcomes can be read directly from the screen.

On the other hand, the outcomes cannot be read easily in NDT Services

Hence, it demands extra attention or time while doing examinations by the Best NDT Professionals.

Therefore, standards and codes grant that the inspector must complete Non-destructive Testing Courses, training, and level of experience.

In almost every case, the NDT Inspectors should hold either Level I, II, or III certification in the examination method.

Until and unless the inspector has met all the required qualification criteria, they must not be allowed to be engaged in any NDT Types of Equipment.

This is so because there is zero to little assurance that the candidate has the proper skills to interpret the outcomes, and it becomes highly risky to accept those results.

Before acquiring a certification, a candidate is known as a trainee and is expected to have the best NDT Techniques.

A trainee has to function or work under the proper guidance of either Level I or Level II while using the NDT Equipment appropriately.

How do I become NDT Certified?

It is a formal recognition of an individual's competence in conducting Non-destructive Tests, ensuring the reliability and safety of materials and structures.

There are many Non-destructive Testing Certification courses and there is a lot of scope in NDT. 

According to the ASNT instructed practice SNT TC 1A, ISO, and NAS410, there are 3 levels of NDT Certification, as mentioned below:

1. NDT Level I — A technician that performs actual tests as per Level II or III Instructions. You can also get more information about the NDT Level I Course Fee and Duration at OnestopNDT

2. NDT Level II — An Inspector, who must perform calibrations, testing, and interpretation of outcomes. 

3 NDT Level III — A complete expert inspector who is capable of establishing all the methods, procedures, and training. 

Responsibilities of NDT Level I Individual 

 An NDT Level II-certified person must be able to:

 a) Interpret and examine results with regard to applicable codes, specifications, and standards.

b) Be qualified enough to establish and calibrate equipment and tools.

c) Organize and address the results of NDT Tests.

d) Possess adequate knowledge and technical skills.

e) Guide and supervise trainees and NDT Level I individuals.

f) Must be comprehensively familiar with the scope and limitations of the NDT Techniques.

g) Must practice the appointed responsibility for training purposes.

Responsibilities of NDT Level II Individual 

As per ASNT instructed practice SNT TC 1A, an NDT Level III should have the following duties:

a) Establish and approve methods, interpreting cores, standards, and specifications.

b) Prescribing the specific NDT Techniques and procedures to be utilized.

c) Enough technical skills and knowledge for creating, qualifying, and approving processes

d) Must be responsible for the entire NDT operation for which the person is assigned and qualified.

e) Must be able to establish NDT Methods and assist in ascertaining acceptance criteria when none are available.

f) Have to be capable enough of interpreting and evaluating the results as per Codes, Standards, and Specifications.

g) Well equipped with an adequate practical background in suitable substances, fabrication, and product technology

Detailed Information about the Certification Process

Here is detailed information on a few essential topics. 

* Steps to attain NDT Certification

Here are the steps to attain NDT Certification

1. Acquiring Relevant Education and Training

To embark on the journey of becoming an NDT-certified Inspector, you need to start by obtaining the right education and training.

Most employers look for candidates with a high school diploma or equivalent.

Pursuing a degree in engineering, materials science, or a related field can significantly enhance your prospects.

Numerous technical schools and colleges offer specialized NDT training programs that cover various inspection methods such as Ultrasonic Testing (UT), Magnetic Particle Testing (MPT), Liquid Penetrant Testing (PT), Radiographic Testing (RT), and Visual Testing (VT).

It is crucial to pick a reputable institution that has received accreditation from recognized NDT Organizations

2. Gaining Practical Experience

While education provides a foundation, practical experience is equally crucial in the field of NDT Inspection.

Many certification programs require a specific number of hours dedicated to hands-on training.

Seek internships or apprenticeships with established NDT Companies to gain valuable experience in real-world scenarios.

3. Choosing the right NDT Method

As an NDT-certified Inspector, you can specialize in one or more testing methods based on your interests and career goals.

Each method has its own unique applications and requirements.

Select the method(s) that align with your skills and desired industry focus.

4. Applying for Certification Exams

After completing the necessary education and training, it's time to apply for certification exams.

Various organizations, such as the American Society for Nondestructive Testing (ASNT) and the European Federation for Non-destructive Testing (EFNDT), offer certification programs.

Make sure to check the eligibility criteria and select the appropriate level of certification based on your experience and knowledge.

Details of Specific Sectors for Different NDT Methods

Non-destructive Testing Methods play a pivotal role in ensuring the integrity and safety of various materials and structures across diverse sectors.

Each sector comes with its unique challenges and requirements, demanding specific NDT approaches tailored to its characteristics.

Here are the details of specific sectors for different NDT Methods

1. Aerospace Sector

In the Aerospace Sector, UT is widely used to inspect components like aircraft wings and engine parts.

Its high precision allows for the detection of internal defects without causing damage.

2. Eddy Current Testing (ECT)

Eddy Current Testing is employed for the examination of conductive materials in aerospace applications.

It's particularly useful for identifying cracks and defects in aluminum structures.

3. Oil and Gas Industry

Radiographic Testing (RT) and Magnetic Particle Testing (MPT) are essential in the oil and gas sector for weld inspections and detecting defects in ferrous materials.

4. Automotive Sector

Visual Testing (VT) and Penetrant Testing (PT) are crucial methods in the Automotive Industry for surface inspections, identifying visible defects and hidden ones, particularly in engine parts.

5. Construction and Infrastructure

Ground Penetrating Radar (GPR) and Ultrasonic Pulse Velocity (UPV) are very important tools in construction for exploring below the ground, finding utilities, finding holes, and checking the quality of concrete structures.

6. Power Generation

ECA and AET are very important tools in power generation because they let you quickly check the tubes and structures of steam generators for problems before they get worse.

7. Railway Industry

In railway inspections, Magnetic Flux Leakage (MFL) and Phased Array Ultrasonics (PAUT) are used to find problems with the tracks and wheels, such as welds and hidden damage.

How often is NDT Certification Renewal Required?

NDT Certification is not just a one-time accomplishment. It's a commitment to excellence, an ongoing process of learning and adaptation.

There are many criteria for this.

1. Maintaining Certification

Maintaining an NDT Certification involves a continuous journey of skill development and staying abreast of industry advancements.

It's not a static achievement but a dynamic commitment to excellence.

This is the foundation upon which the entire certification renewal process stands.

Regular skill enhancement is essential, and staying updated on industry updates and participating in relevant professional development activities is crucial.

2. Certification Renewal

Certification renewal is the formal process of extending the validity of an NDT Certification.

Unlike a one-time achievement, it's a period of a step to ensure that certified individuals are still equipped to handle the latest challenges in the field.

The frequency of this task is every 7 to 10 years, requiring continuous professional engagement to validate the sustained applicability of skills.