Supporting Profile
SP41-41-6
Supporting Profile
SP41-41-6
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Coated finishing available on demand. RAL colour code to be confirmed on your order.
| SKU | Article code | Finishing | Dimension A | Packaging | |||||||
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10303 |
SP41-41-25-6PG |
PG
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2
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6
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Default
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Workload
Additional information
Finishing
Sendzimir galvanized (EN 10143) PG (pre-galvanized):
Products made of Sendzimir (pre-galvanized) or continuous hot-dip galvanized steel sheet and coils are mostly used wherever limited chemical contamination is likely, for example, in of ces, industrial buildings, covered parking lots, etc. Characteristic of this steel type is that – prior to mechanical deformation – it is given a zinc coating by means of a continuous dipping process. This zinc coating is easily deformed. A cathodic action occurs on cut surfaces (up to 1.5mm) that protects against oxidation. First, the steel is chemical cleaned and roughened in order to achieve a good bond. After the dipping process, the surplus zinc is blown off and one obtains an extra passivating coat (an ultra-thin protective coat) to prevent oxidation of the zinc coating (white rust). The coating thickness is usually expressed in g/m2. The most deployed type of Sendzimir steel is Z 275 = 275g/m2 (weighed on both sides), this corresponds to 18-20 µm (micron). Sendzimir galvanized steel sourced from modern galvanizing lines has, in general, a uniform, shiny appearance. The previous, common fl owery surface is scarcely seen these days. This effect is obtained under the infl uence of lead but has no eff ect on the quality of the coating. The use of lead was banned due to the ever more stringent environmental standards. |
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18418 |
SP41-41-25-6UG |
UG
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2
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6
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Default
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Workload
Additional information
Finishing
ULTRA GALVA (UG)
This a high-performant metallic coating which offers an optimum surface protection in a wide variety of agressive and demanding environments, indoor as well as outdoor. The unique alloy of small amounts of magnesium and/or aluminium in the zinc bath provides ULTRA protection with a self-healing effect. Whilst zinc is essential for cathodic protection, magnesium prevents red rust. The passivation layer that comes on top, creates a seal that slows down the first traces of white rust. ULTRA GALVA offers a number of advantages compared to the traditional hot dip finishing. - the passivation layer offers a superior protection level. Hence, ULTRA GALVA, being cathodical, is self-healing in case of scratches, edges or perforations. Compared to hot dip, the articles remain very straight, no deflections appear nor flux or dull spots/ashes - ULTRA GALVA can conveniently be cold-processed without any risk on flakes because of the perfect adhesion of the coating to the metal - no zinc pins appear which enables one to install cables in a fast way avoiding any risk on damages to cables nor injuries of workers - thanks to the longer life span, ULTRA GALVA does not require ongoing maintenance nor post painting actions - three times less zinc is being applied compared to hot dip finishing - there is hence a lower impact on natural ressources as well as less pollution -on top, its production process generates less CO2 emission and ULTRA GALVA is 100% recyclable. ULTRA GALVA is hence a vary valuable environmentally friendly alternative for the traditional stainless steel and hot-dip finishing! |
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