Custom Pipe Fabrication and Weld Shop

To complement our installation teams, Grunau’s extensive custom pipe fabrication and weld facilities provide quality prefabricated materials. Our teams work together, ensuring timely material flow and minimizing on-site work.

Our shops also complete repairs to pipe and tanks for our commercial, industrial, and institutional customers. Our certified welders ensure all piping and welding meet industry and quality standards.

Pipe Fabrication and Welding Capabilities

  • Pipe sizes 1/4" to 132"
  • Carbon Steel, Stainless Steel, and Specialty Alloy Piping of all Grades & Wall Thicknesses
  • Pipe Threading
  • Roll Grooving
  • Custom Pipe Fabrication
  • Tank and Pipe System Repairs
  • UA Union Label
  • AWS Certified Welders
  • ASME "PP" Stamp
  • National Board "R" Stamp
  • Certified Welders in Accordance with Requirements of ASME Section IX
  • Spools 100% Visually Inspected
  • Dye Penetrant, Liquid Penetrant, Magnetic Particle, and Radiographic Examinations
  • Hydrostatic and Pneumatic Pressure Testing
PP Stamp R Stamp

Process Piping Projects

The next time you have a small or large piping or welding project, contact us to provide a solution.

Cutting Pipe Fabricating Pipe