Non Destructive Testing

Non-destructive testing (NDT) is the descriptive term used for the examination of materials and components in a way which does not change or destroy their usefulness. NDT plays an important role in assuring that structural and mechanical components perform their function in safe, reliable, and cost-effective operations, with resultant benefit to the community.

NDT allows for careful and thorough materials evaluation without the need for destructive or damage. NDT is typically used at various points in our part’s life cycle. NDT can be used prior to the use of a component for the sake of quality control. NDT is also employed while components are in use to detect service related conditions caused by wear, fatigue, corrosion, stress or other factors which affect reliability.

Non-destructive testing is reliable only when undertaken to appropriate standards. To ensure this a wide range of national and international standards are documented which covers specific industry needs.

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NDT Training & Certification

ISO 9712 Certification Scheme

This International standard specifies requirements for principles for the qualification and certification of personnel who perform industrial non-destructive testing (NDT).

The system specified in this International standard is applicable to other NDT methods or to new techniques within an established NDT method, provided a comprehensive scheme of certification exists and the method or technique is covered by International, regional or national standards or the new NDT method or technique has been demonstrated to be effective to the satisfaction of the certification body.

Available ISO 9712 Certifications

NDT method Level Sector
Approved ISO 9712 NDT Methods
Ultrasonic Testing (UT) 2,3 Welds
Magnetic Particle Testing (MT) 2 Dense /Light Metals
Penetrant Testing (PT) 2,3 Welds
Radiography Film Interpretation (RTRI) 2 Dense /Light Metals
Associated with other well established organization - ISO 9712 NDT Methods
Basic Radiation Safety (RS) 1 General
Radiography Testing (RT) 2,3 Welds
Phased Array Ultrasonic Testing (PAUT) 2,3 Welds
Time of flight Diffraction (TOFD) 2,3 Welds
Eddy current Testing (ET) 2,3 Welds
Eddy Current Testing – Tubes (ET) 2 Wrought
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ISO 9712 NDT Course Highlights

  1. Internationally recognized central certification in NDT.
  2. In full compliance with internationally recognized standard ISO 9712 requirements.
  3. Well trained and highly knowledgeable faculties.
  4. Excellent course notes & reference materials.
  5. Hand on practical experience in each NDT methods.
  6. Flexible timing for students requiring additional practical exposure with all practical laboratories in a day and seven days a week.
  7. Independent and fully autonomous Certification Council overseeing all Examinations ensuring the highest standards.
  8. NDT personnel qualification and procedure qualification demonstration and practices will be arranged on demand and/or request for QC personnel.
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Available ASNT SNT TC 1A Certifications

NDT method Level
Conventional NDT Methods
Radiography Testing (RT) 2
Radiography Film Interpretation (RTRI) 2
Ultrasonic Testing (UT) –Weld 2
Ultrasonic Testing (UT) - TKT Joints 2
Ultrasonic Testing (UT) –Lamination check & Thickness measurement 2
Magnetic Particle Testing (MT) 2
Penetrant Testing (PT) 2
Advanced NDT Methods
Phased Array Ultrasonic Testing (PAUT) 2
Time of flight Diffraction (TOFD) 2
PAUT and TOFD Data Interpretation 2
AUT Data Interpretation 2
Eddy current Testing (ET) 2
Eddy Current Testing – Tubes (ET) 2

ASNT NDT Certification Systems

There are multiple NDT certification systems worldwide, but they can generally be divided into two main types: “employer-based” and “central” certification systems.

Employer-based certification systems are systems in which the employers are responsible for the administration of the training and the qualification examinations of their own employees, as well as the documentation of the required training, examinations and experience in accordance with an employer-based standard or recommended practice. Most employer-based systems do allow the employer to accept training and examination services provided by outside agencies provided it is properly documented and the employer has determined that the content of those services meet their own company requirements as described in the employer's Written Practice.

Central certification systems are systems in which the qualification examinations are administered by an independent third-party certification body based on a central certification standard. To be eligible to sit for these examinations, prospective candidates must provide acceptable documentation of their training and experience to the certification body. Upon successful completion of the third-party examinations, the certification body will issue a certificate attesting to the fact that the named certificate holder has met the requirements and passed the examinations described in the third-party certification system. The employer can then choose to accept the third-party certificate(s) as proof of qualification. As with employer-based systems, the employer has the ultimate responsibility to certify (authorize) the certificate holder to perform NDT tasks.

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