Industrial Welding, Fabrication in Construction Projects
ITNOG GmbH provides professional welding and fabrication services for piping systems and steel structures, supporting industrial construction projects across Germany and Europe.
We deliver high-quality welding solutions for carbon steel, stainless steel, and special alloys, ensuring full compliance with international standards, project specifications, and German regulations.
Our services cover fabrication, assembly, inspection, and final delivery — from workshop manufacturing to on-site welding activities.
Welding & Fabrication Services
Piping Systems Welding
- Process piping fabrication and welding
- Pipe spool fabrication
- On-site piping installation and welding
- High-pressure piping systems
- Utility and process lines
- Welding for oil, gas, steam, and water systems
Steel Structure Welding
- Structural steel fabrication
- Support structures and frames
- Platforms, walkways, and equipment supports
- Heavy and light steel construction
- Reinforcement and modification works
Skid Fabrication & Modular Systems
ITNOG provides fabrication of piping skids and modular units, including:
- Process skids for industrial applications
- Pre-assembled piping modules
- Equipment integration on skid systems
- Factory-based fabrication and testing
- Ready-to-install modular solutions
This approach reduces on-site work and improves installation efficiency.
Materials & Welding Capabilities
We perform welding for a wide range of materials:
- Carbon steel (CS)
- Stainless steel (SS)
- Alloy steels
- Duplex and special materials (upon request)
All materials are handled according to approved welding procedures and specifications.
Welding Techniques & Processes
ITNOG applies various welding techniques depending on project requirements:
– GTAW / TIG Welding (Gas Tungsten Arc Welding)
- High-quality precision welding
- Suitable for stainless steel and thin materials
- Used for root passes and critical welds
– GMAW / MIG Welding (Gas Metal Arc Welding)
- Efficient welding for production environments
- Suitable for carbon steel and stainless steel
– SMAW Welding (Shielded Metal Arc Welding)
- Flexible and widely used for site welding
- Suitable for structural and piping works
– FCAW Welding (Flux-Cored Arc Welding)
- High productivity for heavy structures
- Suitable for outdoor and industrial environments
All welding procedures are qualified and executed by certified welders.
Welding Quality & Inspection
Quality is a core element of our welding services.
ITNOG ensures:
- Approved Welding Procedure Specifications (WPS)
- Procedure Qualification Records (PQR)
- Certified welder qualifications
- Material traceability and control
Inspection & Testing of Welds
Before shipment or handover, all welds are inspected and verified through:
- Visual inspection (VT)
- Dimensional checks
- Non-Destructive Testing (NDT):
- Radiographic Testing (RT)
- Ultrasonic Testing (UT)
- Magnetic Particle Testing (MT)
- Dye Penetrant Testing (PT)
- Pressure testing for piping systems (if required)
All inspections are performed according to applicable standards and project requirements.
Compliance with Standards
Our welding and inspection services comply with internationally recognized standards, including:
- ISO 3834
- ASME Section IX
- EN ISO 9606
- EN 1090
- Project-specific and German industrial regulations
Documentation & Delivery
ITNOG provides complete documentation for all welding and fabrication works:
- Welding procedures (WPS/PQR)
- Welder qualification records
- Inspection and NDT reports
- Material certificates
- Pressure test reports
- As-built drawings
- Final quality dossier
All documentation is fully traceable and audit-ready.
Industries We Support
Our welding services are tailored for:
- Power plant construction
- Oil & gas facilities
- Petrochemical plants
- Renewable energy projects
- Offshore installations
- Industrial manufacturing
Why Choose ITNOG for Welding Services?
– Certified welders and qualified procedures
– High-quality fabrication and installation
– Full inspection and testing before delivery
– Compliance with international and German standards
– Modular skid fabrication capabilities
– Complete documentation and traceability
– Support for both workshop and on-site activities
Reliable Welding Solutions for Industrial Projects
Welding is a critical activity that directly impacts the safety, reliability, and performance of industrial systems.
With ITNOG’s expertise in piping and structural welding, fabrication, and inspection, your project benefits from high-quality execution, full compliance, and reliable performance.
If you are looking for professional welding services for construction sites in Germany, ITNOG GmbH provides a complete and dependable solution.
Contact ITNOG today to discuss your welding and fabrication requirements.