Seamless Tubes for Critical Applications and High Performance
Global leader in seamless tube manufacturing for nuclear, aerospace, and petrochemical applications.
At CONUAR, we are globally recognized leaders in the manufacturing of high-quality seamless tubes, engineered to meet the demanding technical requirements of strategic sectors such as the nuclear, aerospace, and petrochemical industries. Our technical expertise, combined with a strong capacity for customization, positions us as a strategic partner in projects where reliability and performance are essential.
Manufacturing Capabilities and Technologies
Custom Seamless Tubes
- Lengths up to 35 meters
- Available in straight, U-bent, or clad configurations
- Optional special surface finishes tailored to specific client needs
Advanced Materials
- Nickel alloys: 600, 690, 800, 800H, 825
- Low-cobalt stainless steels
- Zirconium
- Titanium Grades 2 and 9
- Duplex stainless steels
High-Precision Manufacturing Processes
- Cold Pilgering and Cold Drawing: Cold forming processes for tight tolerances and excellent mechanical performance
- Heat Treatment:
- High-vacuum horizontal furnaces
- Inert gas atmosphere processing
- Vertical high-vacuum furnaces (up to 7 meters)
- Joule-effect heat treatment for U-bends
- Shot blasting and glass bead peening: To improve corrosion resistance and extend service life
- U-bending: Performed with CNC-controlled equipment to meet strict dimensional tolerances
Comprehensive Quality Control
- Non-destructive testing and rigorous dimensional inspection at every stage
- Fully equipped laboratories for physical and chemical testing, ensuring compliance with international standards
- Complete traceability and reliability in every tube delivered
Applications in Critical Environments
Our seamless tubes are designed for extreme operational conditions and are implemented in a wide range of critical systems.
Nuclear Sector
- Steam generators and heat exchangers
- Pressure tubes and calandria tubes
- Nuclear fuel elements
Aerospace Sector
- Hydraulic systems for aircraft
- High-precision structural components
Petrochemical Sector
- Custom tube solutions for processes with high corrosion resistance
- Performance under severe thermal and chemical conditions
Commitment to Excellence and Customization
We design and manufacture tailored solutions, adjusting our capabilities to the specific technical and dimensional needs of each client.
Backed by certified international standards, we offer flexibility, innovation, and unmatched reliability for the world’s most demanding industries.