Nondestructive Testing (NDT) Services In Maine and New England

Common Standards for Nondestructive Testing

Association of American Railroads (AAR)

• AAR MSRP “Manual of Standards and Recommended Practices Section C-III Specification for Tank Cars”
• AAR MSRP “Manual of Standards and Recommended Practices Section G Wheels and Axles"

American Welding Society (AWS)

• AWS D1.1 "Structural Welding Code - Steel"
• AWS D1.5 "Bridge Welding Code"
• AWS D1.6 "Structural Welding Code - Stainless Steel"

American Society of Mechanical Engineers (ASME)

• ASME Boiler and Pressure Vessel Code Section V "Nondestructive Examination"
• ASME Boiler and Pressure Vessel Code Section VIII "Rules for Construction of Pressure Vessels"

American Society for Testing and Materials (ASTM)

• ASTM E114 "Standard Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing"
• ASTM E797 "Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method"
• ASTM E1444 "Standard Practice for Magnetic Particle Testing"
• ASTM E709 "Standard Guide for Magnetic Particle Testing"

Description of NDT Services

Ultrasonic Thickness Testing (UTT)

Ultrasonic Thickness Testing (UTT) is commonly used on in-service components such as steel tanks, pump stations, pressure vessels, boat hulls, and structural framing in bridges and buildings to evaluate material loss where corrosion may affect safety. It is a nondestructive testing method used to measure material thickness and verify compliance with construction specifications in both existing and newly constructed components. The test uses pulse echo ultrasonic sound waves and requires access from only one side of the part. The testing surface must be smooth and free of loose paint, rust, and dirt to allow efficient transmission of ultrasonic energy. UTT can usually be performed through thin, well-adhered surface coatings such as paint or epoxy liners.

Call us today: We provide ultrasonic thickness testing (UTT) services in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.

Ultrasonic Straight Beam Testing (UT)

Ultrasonic Straight Beam (Normal Beam) Testing is commonly used on base materials such as bridge pins, bolts, structural framing, and raw products to verify geometric conformance and to detect defects that could affect structural integrity. It is a nondestructive testing method used to identify internal and surface breaking discontinuities such as delaminations, cracks, voids, inclusions, laps, and hot tears. The test uses straight-beam ultrasonic sound waves introduced into the material, requiring access from only one side, though inspection from both sides is often desirable depending on geometry. Equipment is calibrated using reference blocks of similar material with known reflectors to accurately characterize and size indications.

Call us today: We provide ultrasonic testing (UT) services in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.

Ultrasonic Weld Inspection (UT)

Ultrasonic Weld Inspection (Shear Wave Testing) is commonly used on welds in pipe, structural framing, bridges, bridge piles, boilers, ships, railcars, and other safety-critical structures to detect defects that could compromise integrity. It is a nondestructive method used to inspect welds and the surrounding heat-affected zone (HAZ) for flaws such as lack of fusion, incomplete penetration, and cracks. The test uses angled ultrasonic sound waves introduced into the material, with reflections from defects displayed on a flaw detector. Equipment is calibrated using reference blocks of similar material with known reflectors to accurately characterize and size indications.

Call us today: We provide ultrasonic weld inspection and testing services in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.

Magnetic Particle Testing (MT)

Magnetic particle testing (MT) is commonly used on welds, bridges, pressure vessels, MC-330 & MC-331 cargo tanks, and other safety-critical components to detect cracks and other defects where they may propagate and cause unsafe conditions. MT is a nondestructive method used on ferromagnetic materials to find surface and near-surface defects such as cracks, laps, seams, and lack of fusion. The part is magnetized and magnetic particles (dry, wet, visible, or fluorescent) are applied to the area. Defects create magnetic leakage fields that attract the particles, forming visible indications.

Call us today: We provide magnetic particle testing (MT) and weld inspection services in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.

NDT Level III Consulting Services

Compliance with industry standards such as CP-189, SNT-TC-1A, and AAR MSRP requires qualified Level III oversight of critical NDT program elements. From exam development to procedure creation, a Level III ensures your program meets industry expectations. The Written Practice - defining training, qualification, and certification requirements - can be developed and implemented with Level III support. These services help streamline program setup, ensure personnel competency, and maintain high-quality NDT operations.

Call us today: We provide NDT Level III Consulting Services in Maine, New Hampshire, Vermont, Massachusetts, Connceticut, and Rhode Island.

Nondestructive Testing (NDT) Services in Maine & New England

Serving all New England states: We provide nondestructive testing (NDT) and NDE services in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.

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