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Specialized Welding & Metal Fabrication

Inland Mechanical’s welding and fabrication capabilities cover exotic materials, complex
joint geometries, and demanding code requirements. Our extensive WPS library and certified welders deliver code-compliant fabrication for nuclear, chemical, aerospace, and energy applications.

Certified welder performing precision welding on a tubesheet at Inland Mechanical, Richland WA

Welding Processes:

  • GTAW (TIG) – Gas Tungsten Arc Welding
  • SMAW (Stick) – Shielded Metal Arc Welding
  • FCAW – Flux-Cored Arc Welding
  • SAW – Submerged Arc Welding
  • Orbital welding for precision tube-to-tube and tube-to-flange joints
U-tube heat exchanger bundle fabricated by Inland Mechanical in Richland, WA

Materials Expertise:

  • Stainless steel alloys (304, 316, 321, duplex, super duplex)
  • Nickel alloys (Inconel 600/625/718, Hastelloy C-276/C-22)
  • Titanium and titanium alloys
  • Carbon steel and low-alloy steels
  • Aluminum and aluminum alloys
  • Dissimilar metal joining
TIG welding of stainless steel components at Inland Mechanical, Richland WA

Code & Standards Compliance:

  • ASME Section IX qualified welders and procedures
  • Extensive WPS library covering hundreds of material/process combinations
  • AWS D1.1 structural welding
  • ASME B31.1 and B31.3 piping codes
  • Nuclear-grade welding procedures for NQA-1 applications
Stainless steel welding inside a code vessel at Inland Mechanical, Richland WA

Quality Assurance:

  • Welder qualification and certification tracking
  • Procedure qualification records (PQR) on file
  • Visual, PT, MT, RT, and UT inspection capabilities
  • PMI (positive material identification) verification
  • Complete weld documentation and traceability
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