Project oriented civil engineer, founder of Marlyne and Linsteel, continues since 40 years his partnership with land and marine piling contractors in supplying in Europe and overseas:

LARGE DIAMETER WELDED 

STEEL TUBULAR PILES 

MONOPILES (DOLPHINS)

COMBI-WALLS

WHY CHOOSE US ?

Our global sourcing capabilities, combined with the know-how of ISO-certified partners facilitate to supply worldwide jumbo size pipes for foundation and structures.

Characteristics of the product (diameter, wall thickness, length, steel grade, protective coating and fabrication) guide us to respond with the best strategically partner. Production is in accordance with national or international manufacturing standards such as EN 10219, ASTM A 252, API 2B, API 5L…and with project specifications

PROTECTIVE COATINGS

Anti-corrosion coatings applied as per EN ISO 12944 Class C5 (onshore), and Class CX (offshore) for immersed structures (Cl. IM2) or with cathodic protection (Cl. IM4). Life expectancy of the coating is guaranteed by the paint manufacturer for 7 to 25+ years.

WE DELIVER QUALITY

Quality documents implemented by the supplier on demand can be witnessed by third parties. These are:

Inspection and Test Plan, Welding Procedure Specification, Mill Test Certificate, Inspection Release Note

Non Destructive Tests report (visual, dimensional, ultrasons, magnetic particle, X ray) 

Mechanical tests (tensile, yield, elongation, toughness) 

Chemical analyses including Carbon Equivalent are among regular procedure. 

For coating, surface preparation , film thickness, adherence, and holiday tests for porosity detection

WE ARE PASSIONATE IN

Production at site that reduces the transport cost, avoids over-lengths and minimizes damage and repair costs. Import duties, custom fees and tariffs might be exempted due to investment incentives and advantage for using local workforce. 

Double Submerged Arc Welded :

L - Longitudinal
S - Spiral / Helicoidal

S 235 - S 460 (Gr. B - X 70)