SANDWICH PANEL · CONFIGURATION AND QUOTE

Structural Steel Purlin – Large Omega

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Description: Structural Steel Purlin – Large Omega

This product is the culmination of 2 years of research and development in search of a solution. The result is the most economical and strongest light steel section available on the market. This innovative profile, from the omegas family, allows significant weight reductions, compared to the most advanced solutions on the market, for the same level of structural performance.

The profiles are obtained by cold forming, which allows a high production rate as well as a high dimensional accuracy. Produced on a continuous roll-forming line, the profiles are made to measure and with different perforation patterns that facilitate the assembly process through the possibility of bolted joints.

Applications

The versatility of Superomega® allows a wide applicability to different types of structures as well as adaptation to almost all types of materials. This profile can be applied to:

Secondary structure for roof support for roofs and facade
Internal partitions
Structures for mezzanine and intermediate floors
Light coverage in LS
Supports for photovoltaic panel systems

Main differences with other solutions in the market

Increased material savings versus structural performance
Profile optimized for containerized transport
Possibility to define a continuity connection in the support area or outside the support area
Drilling adapted to the application
Continuous drilling possible
Futuristic and aesthetically appealing geometry.

Measurements:

The range consists of 5 Ω-type cross-section profiles, with heights ranging from 80 to 250 mm and thicknesses ranging from 1.0 to 3.0 mm.

Large omega purlin: 80, 120, 160, 200 and 250 mm high sections with their width — Heights and widths of the large omega purlin: 80/176, 120/191, 160/197, 200/220 and 250/227 mm.

Available sections

Section	Weight (kg/m)	Height h (mm)	Width b (mm)	Painting surface (m²/m)
Omega 80 × 1.0	2.39	80	176	0.608
Omega 80 × 1.2	2.86
Omega 80 × 1.5	3.58
Omega 120 × 1.0	3.05	120	191	0.778
Omega 120 × 1.2	3.66
Omega 120 × 1.5	4.58
Omega 120 × 2.0	6.11
Omega 160 × 1.5	5.52	160	197	0.938
Omega 160 × 2.0	7.36
Omega 160 × 2.5	9.20
Omega 200 × 1.5	6.54	200	220	1.110
Omega 200 × 2.0	8.71
Omega 200 × 2.5	10.89
Omega 250 × 2.0	10.27	250	227	1.308
Omega 250 × 2.5	12.83
Omega 250 × 3.0	15.40

Quality of materials

The SuperOmega is produced in 2 pre-galvanized structural steel grades: S280GD and S350GD in pre-galvanized sheet metal or Magnelis according to EN 10346. Optionally, this product can be supplied with another type of surface finish, specifically with RAL lacquer to be defined. Delivery conditions on request.

Steel properties

Steel grade	Yield strength (MPa)	Tensile strength (MPa)
S280GD	280	360
S350GD	350	420

Zinc coating (pre-galvanised)

Coating	Minimum zinc mass, both sides (g/m²)	Zinc thickness (µm/side)
Z200	200	14
Z275	275	20

Magnelis® coating (zinc-aluminium-magnesium)

Coating	Minimum mass, both sides (g/m²)	Thickness (µm/side)
ZM175	175	14
ZM250	250	20
ZM310	310	25

Drilling patterns

Drilling patterns superomega® can be supplied either undrilled or with 2 different drilling patterns, depending on the project requirements and as explained below.

Pattern A – Customized drilling Drilling Ø14 for M10 bolt – class 8.8 in the lower flanges of the section and in the upper part of the webs, defined on the basis of the project needs. Usually, this drilling will be defined at the supports and overlapping areas to ensure the transmission of continuity forces.

Drilling is done in blocks of 5 holes spaced 50 mm apart. The distance between the end of the profile and the axis of the first column of holes can be set between 25-30- 35-40-45-50 mm.