Welcome to Gulf Coast Alloy Welding

Superior Quality · On-Time-Deliveries · Critical Path Projects

Gulf Coast Alloy Welding, Inc., an industry leading fabricator of ASME Code pressure vessels, reactors, and process columns. Our success is attributed to our decades of experience and facilitated by our forward thinking, quality driven project management system across engineering, procurement, fabrication and delivery. We have the expertise to seamlessly deliver quality projects on-time, on-budget, safely and reliably.

Design, Engineering & Fabrication

GCAW provides comprehensive detail design engineering to ensure the client receives the highest quality product at the most competitive price. All projects are mechanically designed, engineered, fabricated, tested, assembled, blasted, painted, trayed, insulated and fireproofed in-house. We also fabricate custom designed skids, turn-key Modular Units, and API Tanks.

Direct to Plant Maintenance & Turnaround Support

GCAW actively provides turn-key engineered and fabricated packages direct to the end user. We offer 38 years of critical path project experience under the same ownership. Our proven techniques allow us to offer high quality products with reliable expedited deliveries. With our wide range of capabilities, GCAW has experience, resources, and expertise required to support your maintenance & turnaround needs.


650,000 lbs

20′ Diameter

350′ Long

8” Wall Thickness

With over 250 approved weld procedures, GCAW is qualified and experienced with a wide variety of alloys, including, but not limited to:

  • · Carbon Steel
  • · Chrome-Moly
  • · 300/400 series Stainless
  • · 600/800 series Inconel
  • · Monel 400

Pressure Vessels

  • · 2 & 3-Phase Separators
  • · Flare Knockout Drums
  • · Regeneration Gas Dryers
  • · Regeneration Gas Scrubbers
  • · Instrument Air Receivers
  • · Polishing Reactors
  • · Isomerization Lead/Lag Reactors
  • · And more
  • · Duplex (2205)
  • · Super Duplex (2507)
  • · Nickel Alloy
  • · Alloy 20
  • · Hastelloy

Towers & Columns

  • · Distillation Columns
  • · Fractionator Columns
  • · Splitters
  • · Stabilizer Columns
  • · Stripper Columns
  • · Demethanizers
  • · And more

We are certified by the State of Texas and the National Board of Boiler and Pressure Vessel Inspectors to fabricate in accordance with ASME Section VIII Division 1 and 2 and ASME Section I.

Our engineering and design services utilize the latest Auto CAD and COMPRESS software to ensure our customers receive the highest level of quality.

Over 38 years of experience has given us the knowledge and ability to handle large scale capital projects and meet the most critical deadlines for quick turnaround projects.

Contact us today to learn how Gulf Coast Alloy Welding can help you meet your custom fabrication needs.

Featured Project

A critical path process column fabricated on an expedited delivery for an oil refinery. The column was fabricated in 78 days and dressed out with TSA (Thermal Spray Aluminum), Insulation, Intumescent Fireproofing, and Tray Installation in less than 40 days.

The column was completed and shipped ahead of schedule.
Length: 210’
Diameter: 9’/21’
Weight: 420,000 lbs

West Texas Intermediate (Oil)

London Metal Exchange (Nickel)

London Metal Exchange (Steel)


About Us

Learn more about Gulf Coast Alloy Welding.


Directions & Contact Info

Visit our contact us page for a location map and directions.


Our Products & Services

Learn more about our products and services.