large diameter lsaw pipes
Large-diameter LSAW Pipe
Longitudinal submerged-arc welded pipe formed from plate for large-diameter, heavy-section and project-specific requirements.
Request a Quote
Product overview
Built around the project specification.
Plate is cut, edge-prepared, pre-bent and progressively formed before internal and external longitudinal submerged-arc welding. Dimensional and non-destructive inspection can be arranged to the agreed project specification.
Materials & manufacturing envelope
- Materials
- Q235 · Q355 · Q420 · Q460 · Q690 · EH36 · Project-specified plate grades
- Size range
- Typical manufacturing envelope: 200–3,000 mm diameter, 6–120 mm wall thickness and 1–15 m length, subject to engineering review.
Key characteristics
- Single longitudinal seam
- Large diameter and heavy wall capability
- Project-specific diameter, wall and length
- Controlled forming and straightness
Typical applications
- Steel structures
- Petrochemical equipment
- Marine engineering
- Mechanical manufacturing
- Energy infrastructure