
Specialty Welding · ASME · NBIC
Code welding,
qualified procedures.
Specialty welding across exotic alloys and high-pressure service — qualified procedures, qualified welders, ASME and NBIC repair authority, and a turnover package every time.
Overview
A weld is only as good as the procedure behind it. PSI maintains an extensive WPS / PQR library, code-stamped welders, and inspection-ready documentation — built for refining, petrochemical, and power.
01
Pressure Equipment
ASME U-stamp authority on pressure vessels, towers, exchangers, and reactors.
- ASME Section VIII vessels
- Tower internals & manways
- Reactor coil & piping
- Engineered weld repairs
02
High-Pressure Piping
Specialty pipe fabrication and field welding for critical service piping.
- B31.1 / B31.3 piping
- Hot tap & sliplock
- Code-stamped repairs
- PWHT coordination
03
Exotic Alloys
Stainless, duplex, Inconel, Hastelloy, chrome-moly — qualified procedures for every metallurgy.
- Inconel & Hastelloy overlay
- Chrome-moly P-91 service
- Duplex stainless fabrication
- Cleanroom & purge controls
Outcomes
What you walk away with.
ASME U
Pressure Vessels
ASME S
Power Boilers
NBIC R
Repairs / Alts
100%
Documented WPS

Specialty Welding

Specialty Welding

Specialty Welding

Specialty Welding

Specialty Welding

Specialty Welding

Specialty Welding

Specialty Welding
Ready when you are
Plan your next turnaround
with a partner that delivers.
From scope to execution, PSI mobilizes skilled crews and specialized equipment to keep your facility safe, online, and on schedule.
