Tank Head Fabrication & Segmental Head Manufacturing
Precision-Formed Tank Heads for Pressure Vessels and Industrial Tanks
Openex is a leading manufacturer of ASME and non-code tank heads, segmental heads, formed elbows, and hemispherical sections for a wide range of industries. With advanced forming, welding, trimming, and heat treatment capabilities, we deliver tank head solutions that meet the toughest dimensional and pressure standards.
Our team produces both conventional and segmental (multi-piece) heads with precision robotic edge trimming and beveling. Applications range from pressure vessels and heat exchangers to water treatment systems, cryogenic tanks, transport vessels, and boiler systems.
Tank Head Types We Manufacture
- ASME 2:1 Semi-Elliptical
- Flanged and Dished (F&D)
- Hemispherical and Torispherical
- Toriconical and Double Knuckle Cones
- Dished Only and Dished & Flue
- Segmental Tank Heads for large diameters or complex geometries
Forming & Fabrication Capabilities
- Diameter: Up to 24 meters
- Thickness: 8 mm to 210 mm
- Edge Prep: Trimmed, beveled, or tapered
- Processes: Cold and hot forming, robotic trimming, trial fit, tack welding, match-marking, knock-down assembly
- Post-Processing: Stress relieving, blasting, PWHT (35m × 11m × 12.5m oven)
Materials We Work With
- Carbon Steel (SA516-70, Q345R)
- Chrome-Moly (SA387 grades)
- Stainless Steel (304, 316L, Duplex)
- Stainless Clad Plate
- High Yield Steels (HY80/HY100)
- Normalized, Annealed, Quenched & Tempered, As-Rolled Plate
Testing & Inspection
- Ultrasonic Thickness & Soundness
- Liquid Penetrant & Magnetic Particle Testing
- Brinell Hardness & Charpy V-Notch Testing
- PMI – Positive Material Identification
- Dimensional & Visual Inspection at each stage
Industries Served
- Oil & Gas
- Water & Wastewater Treatment
- Pulp & Paper
- Cryogenics & Chemical Processing
- Propane Storage & Transport
- Boiler Manufacturing & Power Generation
Why Openex?
- Over two decades of tank head forming and segmental fabrication experience
- Robotic trimming and beveling for consistent, ready-to-fit edges
- Complete in-house forming, welding, stress relieving, and inspection
- Strict QA program aligned with ASME, DNV-GL, and customer specifications
Request a Quote
Contact Openex for expert manufacturing of high-precision tank heads and formed vessel ends. Whether it's a standard elliptical head or a complex multi-piece assembly, we deliver fit-for-service results.
📧 Email: [email protected]
📞 Phone: +86 186 5928 0806
