Structural Steel

TROUVAY & CAUVIN is a leading supplier and stockist of high-performance structural steel products and services to the energy industry, encompassing both the traditional oil and gas sector and the requirements of low carbon and renewable energies. Our range of structural steel products is available in a variety of grades, from commodity to offshore, to meet all project requirements.

In addition, TROUVAY & CAUVIN supplies abrasion-resistant steel plates, pressure vessels and tank plates in various dimensions and grades.

The TROUVAY & CAUVIN Group’s range of structural steel includes:

  • Hot rolled plates from 5 to 200 mm thick in all heat treatment types (such as rolled / TMCP / normalised / Q&T)
  • Tubulars both seamless in diameter from 1” to 24” and welded from 14” and above
  • Full range of Section Beams in both imperial & metric sizes up to 914/ W36 and welded girders
  • Hollow sections / Equal, unequal and inverted angles / Flat, round and square bars are also available in a variety of sizes and grades to meet all project requirements.

Hot Rolled Steel Plates

icon for structural steel sheets

TROUVAY & CAUVIN has the expertise to supply hot-rolled steel plates to specific material specifications and maintains at all times a stock of approximately 5,000 MT of plates in offshore grades that meet the specifications of the main end users and are certified in accordance with EN 10204, 3.2.

Specification Grades
API 2H / API 2W Gr 50 and Gr 60
EN 10225 S355 G8 + M/N to S460 G2 +Q/M
EN 10025 S235 JR to S355 K2
EN 10113 S275 N/M to S460 NL/ML
EN 10028 P275 NL/ML to P460 NL/ML
ASTM Gr A36 / A572 Gr 50 / A283 Gr C
ASTM A131 Gr A to CS
ABS / LRS / GL / DNV Gr A to EH36 / E36
EN 10025 Gr S690 QL, S890 QL and S960 QL
Wear Resistant Steel in HB 300 to HB 500 as well as EN 10155 Gr S355 J0W and S355 J2W

Sizes can be standard or tailored to project requirements 


Seamless and Welded Tubulars

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TROUVAY & CAUVIN supplies a range of seamless tubulars used by the energy industry for structural applications.

A stock of Seamless Tubulars in offshore grade (API 5L X 52 Mod.; PSL 2, CVN @ -40 Deg Cel with MTC according to EN 10204, 3.2 (ABS)) is also available.

Sizes: 60.3mm OD – 610mm OD in the full range of API schedule and Structural wall thicknesses.

Length: Random or fixed lengths

Specification Grades
API 5L X52 (Mod) , Gr B to Gr X 70
EN 10225 S355G15+N

In addition to seamless tubulars TROUVAY & CAUVIN also supplies a wide range of welded (LSAW) tubulars used for structural applications.

Standard sizes of Welded Tubulars in offshore grades (API 5L X 52 Mod., PSL 2, CVN @ -40 Deg Cel. With material grade according to API 2 Gr 50 with Supplemetaries and MTC according to EN 10204, 3.2 (ABS or BV)) are kept in stock to meet bottlenecks in projects or short-term requirements.

Sizes: 406.4 mm OD to 914.4 mm – large diameters in a full range of API schedules and structural wall thicknesses.

Length: Various lengths based on plates’ dimensions and project requirements.

Specification Grades
API 5L Gr.B/X42/X52/X56/X60/X65/X70/X80
API 2H / API 2W – tol. To API 2B / AWS D1.1 or EMMUA 158/197 Gr 50 and in any other plate grades to meet Client/Project's specification
EN 10225 – tol. To API 2B / AWS D1.1 or EMMUA 158/197 Gr 355 G10+ M/N and in any other plate grades to meet Client/ Project's specification

Section Beams, Columns and Channels

fittings icon in white color

TROUVAY & CAUVIN supplies high-quality beams, sections and other materials in S355 G11 + M / S355 G12 + M grades of EN 10225 and S275 / S355 grades of EN 10025. We supply a full range of sections (W sections, UB/UC and Euro norms), angle bars, channels, round, flat & square bars.

Specification Grades
EN 10225 Gr S355 G4 +M to S355 G12 +M
EN 10025 Gr S275 JR to S355 K2
ASTM A36 / A572 / A992 Gr 50

Hollow Section

Square in range of 20mm x 20mm to 700mm x 700mm

Rectangular in range 50mm x 25mm to 500mm x 300mm

Circular in range of 21.3mm OD to 508mm OD

Specification Grades
EN 10210 OR EN 10219 S275JR to S355 J2H or equivalent
BS EN 10025-2 : 2004 S275JR / S355JR / S355JO / S355J2