Metal type Profile 50/190

Metal type 50/190

The standard cold-rolled thin-walled cross-sections as Metallotype 50/190, are produced based on the company’s high quality criteria, covering a wide range of applications. They are produced in desired lengths up to 14m depending on the requirements of the project.

The 50/190 profiles, due to their design, can carry large loads and be used as independent structural elements in light constructions, e.g. for lofts. By using it as a metal formwork for the injection of concrete, economy is achieved in construction as shorter erection times are required and the use of formwork is avoided.

Obviously, the number of applications of these cross-sections is unlimited, provided that the static study of the structure has been prepared.

Composite plate 50/190

The composite slab consists of a standard 50/190 cross-section steel sheet with a panel and cast-in-place concrete. The standardized steel sheets initially act as a formwork and after the concrete has hardened as a composite plate. Usually the quality of concrete used is C 20/25.

When the static system is a continuous beam of many spans, to absorb the negative moments of the supports and protect against cracking, a light reinforcement is usually placed. The reinforcement can be steel mesh, quality B500C, from Φ8/20 to Φ10/15 depending on the thickness of the plate from 0.14m to 0.20m.

Sheets

They are mainly produced with high-quality and durable steel sheets, with hot galvanic protection, according to EN 10346, EN 10143 standards in terms of quality and tolerances. The thickness of the plates ranges from 0.80mm to 1.50mm. Galvanized steel sheets with a thickness of 1.00mm are usually used.

high strength steel sheets from DX51D up to S350GD
hot-dip galvanizing Z 70 ~ 275 gr/m²
or with aluzinc protection AZ 70 ~ 265 gr/m²
(with or without color coating)

Very rarely, for special applications, it is possible to choose metal sheets from different materials in different thicknesses. Please ask us about available laminates and colors (RAL 1014 to RAL 9010).

Metal type 50/190

Nominal sheet thickness [mm]	Weight per unit area*[kg/m²]	Cross-sectional area A**[cm²/m	Moment of inertia Ix**[cm⁴/m]
0,80	10,33	13,19	50,07
1,00	12,91	16,48	62,59
1,25	16,14	20,60	78,23
1,50	19,36	24,72	93,88

* The weight per unit area was calculated considering the specific gravity of steel 7850 kg/m^3.

** Geometric and inertial characteristics per meter of cross-sectional width

The casts are fixed to the bearing organism by the standard method of visible anchorage. The design of the profile does not allow the connection with an overlap in the transverse direction. It is recommended that the connections be made at the locations of the supports (columns, beams). In general, in thin-walled cross-sections, welding connection is not preferred.

The profiles in the longitudinal direction are connected (clipped) together effectively without the need for additional components, thanks to the specially designed joint.

For structural constructions, the reduction in strength due to notches must be calculated taking into account what is provided by the ΕΝ 1993-1-3 standard.

Shear weld seams

For bonding the composite plate, metal type with concrete, it is recommended to use a composite construction helo. The micro-grooves on the smooth surface of the metal type increase adhesion, but they are not sufficient. It is recommended to use ropes that are certified and do not require heavy and expensive site equipment.

For the metal type 50/190, a shaft H = 75mm is recommended
For the metal type 80/293, a shaft H = 105mm is recommended
For the metal type 98/280, a shaft H = 125mm is recommended

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