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Welder services include many types of testing performed on welded samples to provide welding qualifications and procedures. Dunlop NDT’s (DNDT) Certified Weld Inspectors (CWI) determine if welding procedures and welders are qualified in accordance with applicable codes and standards (WPS/PQR).


Quality Control and Quality Assurance are essential to any project. Dunlop NDT understands the importance of having certified and skilled welders to assist with your budget and successful completion of your project. With our services DNDT examines and documents a welder’s ability to create welds of acceptable quality while following a defined welding procedure.


With our state-of-the-art equipment, years of experience, and extensive knowledge of welding and related codes DNDT can provide you with the following services:

  • All-Weld-Metal Tension Test

  • Charpy V-notch Testing (CVN)

  • Guided Bend Testing

  • Macroetch for Weld Size

  • Prequalified Welding Procedures (WPS)

  • Procedure Qualification Record (PQR)

  • Reduced Section Tension Test

  • Welder Coupon Testing

  • Welder Qualifications 1–4G, 1–5F, 5–6G, 6GR


We offer welder services compliant with many different industry standards and codes to include:

Welding Testing Standards:

  • API – American Petroleum Institute

  • ASME – American Society of Mechanical Engineers

  • ASTM – American Society for Testing and Materials

  • AWS – American Welding Society

  • Client Specified Standards

Welding Testing Codes:

  • 1104 (Welding of Pipelines and Related Facilities)

  • BPVC Section II (materials)

  • Customized Test Services

  • D1.1, D1.2, D1.3, D1.4, D1.5, & D1.6

  • A6, A36, A572, A304, & A316

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