Welder Services

Welder ServicesWelder 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:

  • Welder Coupon Testing
  • Prequalified Welding Procedures (WPS)
  • Procedure Qualification Record (PQR)
  • Welder Qualifications
    • 1–4G, 1–5F, 5–6G, 6GR & Decking
  • Guided Bend Testing
  • Charpy V-notch Testing (CVN)
  • Reduced Section Tension Test
  • All-Weld-Metal Tension Test
  • Macroetch for Weld Size
 

Welder Qualification Governing Bodies

Welding qualification standards are defined by several governing bodies in the USA including:

  • ASME – American Society of Mechanical engineers
  • AWS – American Welding Society
  • API – American Petroleum Institute