Careers Specialty Welding Services
Advanced Welding Solutions for Complex Industrial Challenges
Our specialty welding services are engineered to meet the most demanding material, geometric, and operational requirements—delivering code-compliant, performance-driven solutions for pressure vessels, coke drums, hydrotreating reactors, and other critical equipment.
By combining cutting-edge welding technologies with deep engineering expertise and global field experience, we support refineries, power plants, and chemical facilities with precision to extend the operational life of the asset with minimal operational disruption.
Advanced Welding Technologies
- Temper Bead Process with 2-layer overlay substitute to PWHT requirement where the code allows it
- Flange Face Weld Overlay
- Nozzle Replacement
- Vessel Window / Section Replacement
- Internal overlay for nozzles ranging from 2″ diameter
- Technology for heavy-wall pressure vessels, reactors and coke drums
Specialized Applications
Our solutions address critical needs across a variety of industries and asset types:
- Creep-Resistant Alloys: Welding expertise with materials like P5, P22, and P91
- Coke Drum Repairs: Bulge mitigation, structural reinforcement, and crack repair
- Pressure Vessel Rework: Internal gouging mitigation and re-welding
- Hydrotreating Reactors: Full compliance with API and process-specific welding standards
- High-Precision Requirements: Advanced distortion control and mitigation
Engineering Support
Every successful specialty welding project is backed by comprehensive technical support:
- Finite Element Analysis (FEA) for distortion and stress prediction
- Custom tooling design for restricted access and complex geometries
- Metallurgical consultation and weld procedure development to ensure material compatibility
- Mock-Up qualification for high-consequence applications
Why Choose IGS for Specialty Welding?
IGS brings decades of hands-on expertise to each project, having successfully executed complex projects across five continents and in some of the most regulated industries. Our reputation is built on first-time quality, schedule certainty, and safety leadership. From turnaround planning to post-weld inspection, we provide end-to-end control. Every procedure is qualified, every alloy pre-tested, and every weld inspected using advanced NDT techniques. Whether you’re dealing with a coke drum bulge, a nozzle access issue, or welding in limited-access spaces, IGS brings a proven ability to deliver under pressure—with faster execution and fewer delays, thanks to our unmatched planning rigor and in-house alloy expertise.
Ideal for:
- Pressure equipment requiring strict code compliance
- Critical path, time-sensitive repairs
- Equipment with limited access or extreme environmental conditions
- Complex geometries or materials outside standard shop capabilities
Our Welding Services
Extend asset life and safeguard critical infrastructure with IGS’s industry-proven automated welding services
- Automated Field Overlay
- Weld Build-up
- Speciality Welding
I’m here to help
Colin Bateman
IGS Subject Matter Expert
Hit schedule without cost or scope creep with our:
- Superior Project Management: Expert planning and execution
minimizes turnaround time. 98.6% on-schedule delivery rate
across 400+ turnaround projects. - Safety First Approach: Industry-leading safety program
- Proven Track Record: Supporting the world’s largest industrial
operators’ turnarounds since 1978 - Advanced Alloy Expertise: In-house laboratory for testing and
pre-qualification of specialty alloys and application equipment