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Wide-angle interior view of a heavy fabrication bay showing a massive horizontal pressure vessel under construction with a welder throwing sparks at the longitudinal seam, scaffolding on one side, and overhead crane cables disappearing into industrial darkness above
Live Capacity

14,000+

vessels delivered since 1987

ASME Code Fabrication · Since 1987

Heavy Fabrication.
Built to Pressure.

Pressure vessels from 4″ to 220″ diameter — hydrostatically tested, radiographically examined, and stamped for the most demanding service conditions in process industry.

4″–220″Diameter Range
30,000 PSIMax Design Pressure
28 DaysStandard Lead Time
100%Radiographic Exam
Scroll
Specification Sheet

Built to Spec.
Every Dimension.

Each card below is a live specification. Hover to expand the supporting detail — materials, methods, and project types.

Fabrication

4″ – 220″

Diameter Range

Shell plate up to 4″ thick. Custom diameters for columns, reactors, and high-pressure exchangers. Horizontal and vertical orientation.

Pressure

30,000 PSI

Max Design Pressure

High-pressure vessels for autoclave, reactor, and supercritical service. Full ASME Section VIII Div. 1 & Div. 2 compliance.

Service

−425°F to 1,400°F

Design Temperature Range

Cryogenic to high-temperature service. Materials selected per ASME code: SA-516-70, SA-387 Cr-Mo, 304/316 SS, and Inconel clad.

Lead Time

28 Days

Standard Lead Time

Turnaround fabrication available for shutdown-critical replacements. Expedited scheduling for EPC procurement timelines.

Quality

100%

Radiographic Examination

Full RT on all Category A and B weld joints. NDE methods: RT, UT, MT, PT, PWHT per code requirements. Third-party witness available.

Certification

U · U2 · R

ASME Stamps Held

National Board-registered. R-stamp for repairs and alterations. U2 for high-pressure service above 3,000 PSI. Current QC Manual on file.

Products

6 Types

Vessel Categories

Heat exchangers (shell & tube, U-tube), pressure reactors, distillation columns, storage bullets, flash drums, and separators.

SA-516 Grade 70SA-387 Chrome-Moly304/316 StainlessInconel 625 CladDuplex 2205SA-240 Type 317LHastelloy C-276Titanium Grade 2SA-516 Grade 70SA-387 Chrome-Moly304/316 StainlessInconel 625 CladDuplex 2205SA-240 Type 317LHastelloy C-276Titanium Grade 2
Authority & Compliance

Stamped. Registered.
Documented.

Every vessel leaves our shop with a complete data book: ASME data report, material certifications, NDE records, and hydrostatic test documentation.

ASME U

ASME Section VIII Div. 1

Unfired pressure vessels up to 3,000 PSI design pressure. Standard for refinery, petrochemical, and utility service.

ASME U2

ASME Section VIII Div. 2

Alternative rules for high-pressure vessels above 3,000 PSI. Required for autoclave, reactor, and supercritical service.

ASME R

National Board R-Stamp

Repair and alteration of pressure vessels and boilers in-service. Re-tube, re-pad, nozzle additions, and weld overlay.

NB

National Board Registration

All vessels registered with the National Board of Boiler and Pressure Vessel Inspectors. Full data report documentation.

Approved Material Grades
Material GradeTypePrimary Service
SA-516-70Carbon SteelModerate temperature, general service
SA-387 Gr. 11/22Chrome-MolyElevated temperature, hydrogen service
SA-240 304/316LAustenitic SSCorrosive media, cryogenic service
Inconel 625 CladNickel AlloySevere corrosion, high-temp acid service
Duplex 2205Duplex SSChloride stress corrosion, offshore service
SA-353 / SA-5539% Nickel SteelCryogenic LNG / LN₂ service to −325°F
37Years in Operation
12Certified Welders on Staff
480,000 lbMax Lifting Capacity
3rd PartyAI / Owner Inspector Ready
Recent Fabrications

From the Shop Floor.
To Your Process.

Representative projects from our fabrication history. NDA-compliant — client names withheld on request.

Large cylindrical pressure reactor vessel under fabrication in an industrial manufacturing bay with welding equipment and overhead cranes
Reactor

High-Pressure Reactor Vessel

SA-387 Gr. 22 · 2,400 PSI · 850°F

Gulf Coast Refinery Expansion

Industrial shell and tube heat exchanger being fabricated in a steel manufacturing facility with workers in safety equipment
Heat Exchanger

Shell & Tube Heat Exchanger

SA-516-70 · 600 PSI · 550°F

Cryogenic storage vessel bullet tank in heavy fabrication shop showing insulation jacketing and nozzle connections
Storage

Cryogenic Storage Bullet

SA-553 Type I · 250 PSI · −320°F

Tall vertical distillation column pressure vessel standing in a fabrication yard showing tray deck internals and manway flanges
ColumnOffshore Platform Module

Distillation Column

Duplex 2205 · 300 PSI · 400°F · 84″ ID

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