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ASME-Coded Pressure Vessels & Custom Fabrication

Inland Mechanical fabricates ASME U/R/PP stamped pressure vessels for nuclear, energy, chemical, and industrial applications nationwide. From single custom units to production runs, we deliver code-compliant fabrication in exotic materials with complete National Board documentation and material traceability.

ASME Section VIII pressure vessels in fabrication at Inland Mechanical, Richland WA

Capabilities:

  • ASME Section VIII Division 1 & 2 pressure vessel fabrication (U stamp)
  • Pressure vessel repair and alteration (R stamp)
  • ASME B31.1 and B31.3 power and process piping (PP stamp)
  • National Board registered and documented
  • Exotic materials: stainless alloys, nickel alloys (Inconel, Hastelloy), titanium
  • Custom geometries and complex vessel configurations
  • Full hydrostatic testing and documentation packages
  • NQA-1 documentation for nuclear applications
Shell and tube heat exchanger fabrication at Inland Mechanical's Richland, WA shop

Applications:

  • Nuclear waste processing vessels
  • Chemical reactor vessels and process tanks
  • Heat exchangers and pressure systems
  • Custom process equipment for DOE facilities
  • Energy infrastructure pressure systems
TIG welding of stainless steel components at Inland Mechanical, Richland WA

Equipment & Processes:

  • Multi-process welding capabilities (GTAW, SMAW, FCAW, SAW)
  • Extensive WPS library covering exotic materials and joint configurations
  • In-house PWHT (post-weld heat treatment) capabilities
  • Complete NDT and material testing
  • CNC machining
Request a Pressure Vessel Quote