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The durability of underground water tanks is an important cost issue because their replacement requires expensive demolition and reconstruction. Consequently, the design service life requirement for highway culverts commonly approaches 100 years. A challenge that Magnelis® can tackle. It represents the best design alternative to classical hot dip galvanised when considering a compromise between conservative design and overall cost.
Magnelis® is a flat carbon steel product coated on both sides with a zinc-aluminium-magnesium alloy. This alloy, composed of 93.5% zinc, 3.5% aluminium and 3% magnesium, is applied by means of a continuous hot dip galvanising process. This optimum chemical composition has been selected to provide the best results in terms of corrosion resistance.
Hot dip galvanised heavy coatings (with a minimum coating mass of 450g/m²) is another possibility for this application. The heavy zinc coating provides lasting corrosion resistance for this demanding application. ArcelorMittal unmatched accuracy in thickness measurements allows you to make more reliable lifetime calculations for your steel solutions.
