ASNT NDT Level II

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In the world of industrial safety and quality assurance, Non-Destructive Testing (NDT) is the backbone of structural integrity. Whether it is ensuring an airplane wing is free of microscopic cracks or verifying the strength of a transcontinental pipeline, NDT technicians are the silent guardians of public safety. Among the various credentials available, the ASNT NDT Level II certification stands as one of the most globally recognized and respected benchmarks for professional competence.

This comprehensive guide provides everything you need to know about obtaining and maintaining your ASNT NDT Level II certification, from eligibility requirements to exam structures and preparation strategies.

What is the ASNT NDT Level II?

The ASNT NDT Level II is a professional certification awarded to individuals who have demonstrated the skills and knowledge to perform specific non-destructive tests according to established procedures. Unlike Level I technicians, who perform simplified calibrations and tests under close supervision, a Level II technician is qualified to set up equipment, interpret results, and supervise personnel.

  • Official Exam Name: ASNT NDT Level II Certification
  • Conducting Body/Authority: The American Society for Nondestructive Testing (ASNT). Established in 1941, ASNT is the world's largest technical society for NDT professionals.
  • Purpose of Exam: Professional Certification. It validates a technician's ability to perform NDT independently, interpret codes/standards, and provide accurate reports on the condition of materials or components.
  • Geographic Validity: Globally recognized. ASNT certifications are the industry standard in the United States and are highly regarded in over 100 countries, particularly in the oil and gas, aerospace, and construction sectors.
  • Level of Competence: Specialist/Mid-level. It demonstrates that the holder has moved beyond entry-level (Level I) and possesses the technical autonomy to make "pass/fail" decisions on inspected parts.
  • Brief History: ASNT established the SNT-TC-1A guidelines in 1966 to help employers certify their own staff. Later, ASNT developed "Central Certification" programs (like the ASNT NDT Level II and ACCP) to provide a third-party, independent validation of a technician's skills.

Who Can Take the ASNT NDT Level II? (Eligibility Requirements)

ASNT requires a specific combination of formal education, classroom training, and hands-on work experience. These requirements vary depending on the NDT method (e.g., Magnetic Particle, Ultrasonic, Radiographic).

Eligibility Summary Table

NDT Method Training Hours (Minimum) Experience in Method (Hours) Total NDT Experience (Hours)
Magnetic Particle (MT) 20 280 530
Liquid Penetrant (PT) 12 210 400
Ultrasonic Testing (UT) 80 840 1600
Radiographic Testing (RT) 80 840 1600
Visual Testing (VT) 24 210 400

Documentation Checklist

  • Academic Transcripts: High School Diploma or equivalent is the minimum requirement. Engineering degrees may reduce the required experience hours in some specific programs.
  • Experience Verification: Signed statements from employers or Level III supervisors verifying your "hours in method."
  • Vision Acuity Record: Candidates must pass a vision test. This includes a Near Vision test (Jaeger 1 at not less than 12 inches) and a Color Contrast Differentiation test, performed within the last 12 months.
  • ID Proof: A valid, government-issued photo ID (Passport or Driver’s License).
  • Application Forms: Completed digital application via the ASNT website.

Language Proficiency: While ASNT does not strictly require an IELTS or TOEFL score, the exams are conducted in English. A functional command of technical English is essential for interpreting codes and answering exam questions.

How to Register for the ASNT NDT Level II

The registration process is handled entirely online through the ASNT certification portal.

Exam Schedule & Availability

  • Frequency: Exams are available year-round. ASNT uses a Computer Based Testing (CBT) model.
  • Registration Windows: You can apply at any time. Once your application is approved, you receive an "Authorization to Test" (ATT) letter.
  • Scheduling: You have one year from the date of approval to schedule and sit for your exam.

Exam Fees (Estimated 2024 Rates)

Fee Type ASNT Member Rate Non-Member Rate
Application/Exam Fee (Per Method) $425 $550
Administrative Fee Included Included
Rescheduling Fee (>48 hours notice) $0 - $50 $0 - $50
Retake Fee $325 $450

Booking Process

  1. Create an Account: Visit the official ASNT website and create a profile.
  2. Submit Application: Upload your experience documents, vision test, and training certificates.
  3. Payment: Pay the fees via credit card or wire transfer.
  4. Pearson VUE Scheduling: Once approved, you will receive an email to schedule your exam at a Pearson VUE professional testing center.

Retake Policy

If you fail an exam, you must wait 30 days before reapplying. You are allowed a maximum of three attempts within a one-year period. After three failures, you must provide evidence of additional training before being allowed to test again.

Score Validity

ASNT NDT Level II certifications are valid for five (5) years. To renew, you must demonstrate continued active employment in the NDT method and meet the current vision requirements.

ASNT NDT Level II Exam Format & Structure

Exam Format

The exam is a Computer Based Test (CBT) administered at Pearson VUE centers. It consists of two distinct parts for each method:

  1. General Exam: Tests your knowledge of the fundamental principles of the NDT method.
  2. Specific Exam: Tests your ability to apply the method according to specific codes, standards, and equipment specifications.

Timing & Duration

Exam Section Number of Questions Time Allowed
General Exam 40 Questions 2 Hours
Specific Exam 30 - 40 Questions 2 Hours
Total (Per Method) 70 - 80 Questions 4 Hours

Syllabus & Content Domains

Domain Topics Covered Weightage (Approx)
Principles/Theory Physics of the method, wave propagation, magnetism, radiation safety. 30%
Equipment & Materials Probes, transducers, developers, X-ray tubes, calibration blocks. 25%
Techniques/Calibration Standardization, sensitivity adjustments, scanning patterns. 25%
Interpretation/Evaluation Discontinuity types, flaw sizing, acceptance criteria. 20%

Official Reference Materials

  • ASNT NDT Handbook: The definitive technical resource for each method.
  • Personnel Training Publications (PTP) Series: Study guides specifically designed for exam prep.
  • SNT-TC-1A: The guideline for personnel qualification and certification.

How is the ASNT NDT Level II Scored?

ASNT utilizes a straightforward scoring system. To pass, a candidate must achieve a minimum score of 70% on each individual exam (General and Specific) and a composite (average) score of at least 80%.

  • Negative Marking: There is NO negative marking. It is in your best interest to answer every question.
  • Partial Credit: No partial credit is given; questions are either correct or incorrect.
  • Result Declaration: Preliminary results (Pass/Fail) are often available immediately at the Pearson VUE center. Official certificates are mailed/emailed within 2-4 weeks.

How Difficult is the ASNT NDT Level II?

Overall Difficulty Rating: Moderate to Challenging.

Methods like Liquid Penetrant (PT) and Magnetic Particle (MT) are considered more accessible, with higher pass rates. However, Ultrasonic Testing (UT) and Radiographic Testing (RT) require significant mathematical proficiency and a deep understanding of physics, leading to lower first-time pass rates.

Historical Pass Rates

Method Estimated Pass Rate (First Attempt)
PT / MT / VT 75% - 85%
RT / UT / ET 55% - 65%

ASNT NDT Level II vs. Similar Certifications

Feature ASNT NDT Level II ISO 9712 (PCN) API (e.g., API 510/570)
Conducting Body ASNT BINDT / Various American Petroleum Institute
Primary Purpose General NDT Technician European/International NDT In-service Inspection
Geographic Recognition Global (Strongest in Americas) Europe / Middle East / Asia Global (Oil & Gas focus)
Practical Exam Employer-led (usually) Mandatory Central Practical Method Dependent

How to Prepare for the ASNT NDT Level II

Recommended Study Timeline

  • Total Prep Time: 2-3 months of consistent study.
  • Phase 1 (Weeks 1-4): Review the ASNT Level II Study Guide and highlight key formulas.
  • Phase 2 (Weeks 5-8): Practice with ASNT Question-and-Answer books. Aim for 90% in practice tests.
  • Phase 3 (Weeks 9-10): Focus on specific codes (ASME Section V, ASTM) applicable to your method.

Best Study Resources

  • ASNT Question & Answer Books: These contain hundreds of retired exam questions.
  • Online Prep Courses: Platforms like WorldSpec or NDT-Training.org offer structured video modules.

What to Expect on ASNT NDT Level II Exam Day

  • Arrival: Arrive 30 minutes early at the Pearson VUE center.
  • Security: You will be required to provide fingerprints/palm vein scans and store all personal belongings in a locker.
  • Materials: The testing center provides a digital calculator and a white-board for scratch work. You cannot bring your own.
  • Environment: The room is quiet and monitored by cameras and proctors.

After Passing the ASNT NDT Level II

Once you pass, you are a certified NDT Level II. This opens doors to roles such as Quality Control Inspector, NDT Technician, or Field Supervisor. Salary levels for Level II technicians in the US typically range from $65,000 to $95,000 annually, depending on the number of methods held and the industry (Aerospace and Nuclear pay the highest premiums).

Frequently Asked Questions

  1. Can I take the Level II exam without being Level I? Yes, provided you meet the combined training and experience hours for both Level I and II.
  2. Does ASNT provide the training hours? No, ASNT is the certifying body. Training must be obtained through third-party schools or your employer.
  3. What is the difference between SNT-TC-1A and ASNT Level II? SNT-TC-1A is a guideline for employer-based certification. ASNT Level II (Central Certification) is a certificate issued directly by ASNT that you "own" regardless of your employer.
  4. Is there a practical exam? For the standard ASNT NDT Level II (CBT), the practical is often administered by your employer. However, for the ACCP program, ASNT administers the practical.
  5. How do I renew? Every 5 years by submitting proof of continued work experience. Every 10 years, a recertification exam or point system is required.
  6. Can I use a calculator? Yes, a scientific calculator is provided on the computer screen during the exam.
  7. What is the most difficult method? Most candidates find Radiographic Testing (RT) and Eddy Current Testing (ET) the most difficult due to the complex physics involved.
  8. How many questions are on the MT exam? Usually 40 General and 30 Specific.
  9. Are the exams open book? No, they are closed book, though relevant code excerpts may be provided on-screen for specific questions.
  10. Does my certification expire if I change jobs? Central ASNT certifications stay with you. Employer-based certifications (SNT-TC-1A) usually expire when you leave the company.

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