The timely, accurate information we received from QC was exactly what we needed to keep our projects moving forward on time and with a high level of confidence.

- Joe,
Injection Molding

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Contract Non-Destructive Testing (NDT)

Thickness Measurement

The QC Group provides Non-Destructive Testing (NDT) and Certified Welding Inspection (CWI) by partnering with a reputable team of NDT/CWI specialists.  Inspections are performed with class-leading technical competence and a sincere belief in exceeding our customers’ service expectations.

Through us, this highly-skilled team of industry professionals is available to you – bringing knowledge, passion, and an unprecedented level of service to the manufacturing industry.  Every one of our project leads are ASNT NDT Level III or AWS Certified Welding Inspectors.  And this team can travel.   Headquartered in the Midwest, our outreach extends to anywhere in the U.S. to serve your NDT and welding inspection needs. 

The QC Group is dedicated to the mission of a positive service reputation – a mission that can only come alive through the people we work with.  The QC Group/NDT Specialist partnership provides an extremely competent and service-driven solution for your company.

NDT Services and Consulting

Radiographic Testing (RT)

  • Radiographic inspection is used extensively on castings and weldments, particularly where there is a critical need to ensure freedom from internal flaws. 
  • Suitable for metals and a variety of other materials including structural concrete.
  • Technicians are able to develop the x-ray film on-site for immediate evaluation.
  • Strict procedures are designed for maximum safety.

 Ultrasonic Testing (UT)Ultrasonic Testing

  • Ultrasonic flaw detection for defects located in the weld or base metal materials.  This inspection will detect cracks, slag inclusions, incomplete fusion or penetration. 
  • Used for general thickness and pipe wall thinning rate surveys.
  • Performed only by specially certified technicians

Magnetic Particle Testing (MT)

  • Highly flexible form of large or small-item inspection of ferrous materials.
  • Very economical in comparison to its alternatives.
  • Use of fluorescent magnetic particles and a black light increase the sensitivity of the examination.

Liquid Penetrant Testing (PT)

  • Used on nonporous metals and other materials. 
  • Fluorescent dye is used for increased visibility and inspection accuracy.

Visual Testing (VT)

  • A test method which relies on the detection of certain features of a material using the human eye.
  • Used to check for surface defects in base material and for weld profile inspection


We offer Procedural Development in all NDT Methods (RT, UT, MT, PT, VT) through written practice and recognized written NDT Procedure.

Training and Certification
are available for all of the listed testing methods.  We can assist you in setting up your internal NDT capabilities, train your inspectors with classroom or on-the-job training, and more. If you need it, we can do it.  

Caution Tape

Have a safety concern?  Our ASNT NDT Level III consultants will partner with you to understand the concern then develop an action plan to mitigate the risk.


We truly have your NDT/CWI needs covered.  If you need help visualizing a service that has not been described here, then contact us!  We bring over 30 years of experience and problem solving to serve your company’s unique need.  Let us customize a strategic solution for your business.  

The QC Group’s NDT/CWI Specialists give you reliable and competent boots on the ground - when and where your company needs them most.

Contact us for more information about our NDT Services, or by phone at (952) 895-1150.