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The use of high strength, low alloy steels (in particular S355MC, S420MC, S460MC) combined with the metallic coating Magnelis® allows building safer, sustainable, and cost effective safety barriers.
The qualities of high strength, low alloy steels include:
• Better control over mechanical properties compared with traditional structural steels, providing an optimal safety solution.
• Weight reduction (up to 25% per metre compared with those made with structural grades for reference parameters N2W4A). This reduces greenhouse gas emissions as less steel is required and more finished products can be transported at once to the installation site.
• Reduced maintenance costs.
Increased corrosion protection with Magnelis®, even on cut edges: the superior performance of Magnelis®, the steel metallic coating made with zinc, 3.5% aluminium and 3% magnesium, protects safety barriers against corrosion while maintaining mechanical properties.
The coating has been tested in salt spray and outdoor tests. Tests also show the behaviour in soil and concrete is superior compared with traditional heavy zinc coating.
Magnelis®, which uses less zinc than pure zinc coatings thereby considerably reducing zinc runoff in the soils, comes with a 20-year warranty for safety barriers.
