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Technical approval from DIBt allows SCHRAG to make full use of Magnelis® from ArcelorMittal

Since 2014, ArcelorMittal has been working with the SCHRAG Group to publicise the benefits of Magnelis® in the German and eastern European markets. That cooperation has led to Magnelis® being recognised as an exceptional metallic coating which provides a breakthrough in corrosion protection. In September 2019, the Deutsches Institut für Bautechnik (DIBt) granted Magnelis® a Technical National Approval. This approval recognises that Magnelis® resists corrosion for more than 15 years and allows it to be specified for construction applications in Germany and other markets which rely on DIBt standards. For SCHRAG, it means that Magnelis® can be utilised with confidence in the company’s thin-walled cold-formed components, even when they are deployed in highly corrosive atmospheres.

Steel plays a substantial role in SCHRAG’s tailor-made solutions for roofing and cladding which are used in industrial and commercial construction. ArcelorMittal supplies a range of metallic coated and painted coils to SCHRAG. These products are typically utilised to create bent profiles which are used as lightweight parts for roofs and walls. Applications include purlins, transoms, skylight substructures, and moulded parts.


SCHRAG’s tailor-made solutions for roofing and cladding are used in industrial and commercial construction 

Durability of Magnelis® stands out

"The outstanding properties of Magnelis®, documented in the DIBt approval, have enabled SCHRAG to make full use of Magnelis® in many applications,” says Gunnar Koelsch, head of purchasing at SCHRAG. “For example, Magnelis® ZM310 is the only zinc-magnesium coating which remains durable for more than 15 years according to DIBt. And the approval covers constructions in zones with a corrosivity rating of C4 under the European norm ISO 12944-2. This is unique.”

Magnelis® effectively protects surfaces against corrosion in two ways: as a barrier and as cathodic protection. It also offers excellent protection on cut-edges. In these areas, the coating reforms to ensure full protection for the steel substrate. After checking the self-healing effect of Magnelis® on cut edges, DIBt concluded that the coating (minimum weight of ZM310) can be utilised with uncoated edges of up to 6.0 mm. The uncoated edges should not have an aesthetic function. This is the only German technical approval for a metallic coating which includes uncoated edges up to a thickness of 6 mm.


Magnelis® offers cut-edge protection, ideal for SCHRAG’s variable profiles 

Strong partnership relies on open communication

One of SCHRAG’s goals is to act as a problem solver for its customers. Common projects and long-term partnerships are essential for this as Gunnar Koelsch explains: “A real partnership requires long-term cooperation, commercial and technical transparency. We have found such a partnership with ArcelorMittal.”

The very good partnership between the two companies covers subjects ranging from classic sales topics to joint projects. Both appreciate the open communication, even during negotiations. “This is particularly evident in challenging times such as those we face today,” says Mechthild Janischowsky, market segment manager at ArcelorMittal Commercial Germany. “Models have been developed which offer viable solutions for both partners. This has only been possible through the mutual trust we have developed after decades of working together.”


SCHRAG can produce continuous profiles up to 13-metres in length


 

Founded in 1892, SCHRAG began as a small business which produced enamelled, tinned, and galvanised products. Today the company is led by the fourth generation of the family and manufactures lightweight metal solutions for roofs and facades. The SCHRAG Group employs almost 500 people at 16 locations in Austria, Czechia, Germany, Poland, Slovakia, and Switzerland.

More information: www.schrag.eu

Related links

Magnelis®
Contact ArcelorMittal Europe – Flat Products
Order your samples here
Steel for construction at europe.arcelormittal.com

 

Copyright images: SCHRAG Group