Nuclear Certified Pipe and Pipe Fittings

Custom Pipe and Fitting Fabrication for the Nuclear Power Industry

Unique capabilities overcome project size, complexity, and timing challenges

DuBose National Energy Services has the in-house capabilities to supply our customers’ needs with custom fabrication pipe and fitting solutions in various sizes and for a wide range of project sizes and timelines. Whether your project involves nuclear facility design, construction, maintenance, or repair, our high-volume production capabilities allow us to address your most complex project needs.

Quality-controlled pipe for nuclear facilities

Nuclear plant owners face stringent regulations and need a supplier with the capability of providing pipe and tubing manufactured with strict quality control processes. We maintain an ASME certification and QSC distributor status for the nuclear power industry and we can serve as your reliable supplier for in-spec pipe. We can also meet your demanding project schedules with specialized shipping and packaging resources and provide the proper documentation.

We offer carbon, alloy, and stainless steel pipe as well as plate, forgings, and structurals to the nuclear power industry. Our operations undergo rigorous NIAC and NUPIC auditing to ensure adherence to industry standards including:

  • ASME NQA-1
  • ASME Section III
  • ANSI N45.2
  • CAN3-Z299
  • NRC 10CFR50 Appendix B

We maintain an inventory of specialty metals and our global sourcing network can accommodate the unique requirements of your projects, whether relatively straightforward or complex.

Extensive stock of certified fittings for nuclear power

We maintain a wide range of certified fittings such as butt weld fittings, socket weld fittings,  threaded fittings and outlets in sizes NPS ½” thrus NPS 24” metric/inch.

Materials adhere to the following ASTM/ASME standards including:

  • Carbon – forged SA-105 and Buttweld SA234 WPB
  • Stainless forged SA-182 grades F304,F304L, F316,  F316L
  • Buttweld SA-403 WP304, WP304L, WP316, WP316L
  • Alloy  SA-182, SA-234:  All grades
  • Castings  SB-61, SB-61, B584

Our flanges adhere to the following ASTM/ASME standards:


  • ASTM A182
  • F304/304L
  • F316/316L

Pipe Flanges and Flanged Fittings:

  • ASME B16.5 NPS 1/2 through NPS 24 metric/inch standard

Take advantage of our unique added value

DuBose National Energy Services is more than a parts supplier. We offer unique value that makes us your reliable nuclear power project partner.

Services such as fabrication and expediting ensure that you get just the part you need for your custom configuration―delivered on time to get the operation online in a timely manner.

Our documented quality program, along with our vast in-house capabilities, facility, and equipment, ensure that we are successful on critical application projects. Our NPT, NS, & NA certificates allow us to provide solutions that align with ASME Section III, NQA-1, and 10CFR50 appendix B & Safety Related requirements.