High Pressure Pipe Fabrication Services

High Pressure Pipe Fabrication Services

STI Group provides high pressure pipe fabrication suitable for a full range of industrial applications. From fabrication to installation and maintenance, STI Group has the experience, resources, and expertise it takes to complete pipe fabrication projects of all sizes and scales on-time and on-budget with the highest standards of quality and safety.

Material Capabilities

  • Carbon Steel Piping
  • Stainless Steel Piping
  • Aluminum Piping
  • Hastelloy Piping
  • Chrome and Chrome-moly Piping
  • High Pressure Piping
  • Double Wall Containment Piping
  • High and low temperature grade
  • Jacketed Pipe

Specialty Welding

STI Group’s extensive specialty welding capabilities ensure that our customers receive safe, reliable welds on high pressure piping and vessels regardless of the challenges of the job. In fact STI Group maintains weld-rejection rates that averaging below 1 percent, and all of our welders are tested under ASME Section IX welding procedures to ensure a high level of skill and competency.

Different piping materials and projects call for different welding processes. STI Group offers a full range of industrial welding services including the following:

  • GMAW (MIG welding)
  • GTAW (TIG welding)
  • SMAW (Stick welding)
  • FCAW (Flux Core Welding)
  • SAW (Submerged Arc Welding)
  • 400+ Welding Procedures

Quality Control

By its nature high pressure piping requires the strongest level of quality control. Failures of high quality piping can be catastrophic and even small defects could seriously compromise the integrity of the pipe. That’s why STI Group utilizes a rigorous, comprehensive quality control program that includes the following components:

  • Inspection (CWIs in every facility)
  • Policy and Authority
  • Organization standards
  • Testing Requirements
  • Duties and Responsibilities
  • Code Stamp Control
  • Document Control
  • Calibration
  • Record Retention
  • Comprehensive MTR Program

High Pressure Pipe Fabrication You Can Trust

STI Group has multiple state-of-the-art pipe fabrication facilities with hundreds of thousands of square feet of available fabrication space. We maintain ASME’s “U,” “S,” stamps, NBIC’s “R” stamps, and employ experienced, NCCER-Certified welders. With 40 years of industry experience and a track record of proven success we have what it takes to deliver the most dependable, highest quality high pressure pipe fabrication services.


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