Longitudinal Welded Steel Pipe
Application areas
Civil Works
• Piling Pipes • Casing Pipes • Metal formwork
Oil pipelines
Gas pipelines
Water Conduction Pipes
• Drinking Water Supply • Sewage systems • Reused Water • Penstock for Hydroelectric Power Plants • Irrigation
Industrial
• Refineries • Compressed Air and Fire Networks
Product specifications
Longitudinal Welded Steel Pipe (LSAW) are welded inside and outside by the Submerged Arc system with the JCO and U0E processes.
Steel quality used depends on the standard used for their designation:
- EN 10025: S235 to S355
- API 5L: Gr B to X80
- EN 10208-2: L245 MB to L550 MB
- EN 10224: L235 to L355
External diameter: 16 – 60 inches.
Thicknesses: Up to 2 inches.
Manufacturing Standards
- API 5L
- EN 10208-1
- EN 10208-2
- EN 10217-1
- EN 1626/2458
- GOST 10705/10704
- GOST 20295
- AWWA C 200
- DIN 1626
- EN 10224
- DIN 2460
- BS 534
- ASTM A 252
- ASTM A 53
- EN 10219-2
- DIN 1616
Coatings
Coatings
Coatings for pipe corrosion protection:
- External
Three layer polyethylene (3LPE)
Polypropylene (3LPP)
Fusion bonded epoxy (FBE)
Epoxy adhered by double layer fusion (DFBE)
Abrasion Resistant Coating (ARO)
Coal Tar Enamel (CTE)
Bituminous Enamel (AE)
Tape coating
Cement Mortar (CML)
Reinforced concrete ballast (CWC)
- Internal
Epoxy adhered by fusion (FBE)
Cement Mortar (CML)
Epoxy for food use
Polyurethane
Quality controls
All our products are subject to a strict Quality Assurance System that applies to all phases of both process and handling and storage. The Quality Control department ensures the traceability of the product, according to the standard to be applied, the corresponding controls, inspections and tests such as:
- Visual inspection
- Dimensional control
- Ultrasound
- X-rays - Fluoroscopy
- Hydrostatic Tests
- Mechanical and chemical tests
In the production process as well as in the storage and transport process, a quality assurance system based on the ISO 9001 standard has been implemented.