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Outokumpu’s New Duplex Steel for Biogas Tanks
05/11/2011 - Outokumpu will deliver stainless steel to Börger GmbH for building tanks to be used in biogas production. This is Outokumpu’s first order for the recently launched new duplex steel grade LDX 2404®.
Outokumpu will deliver stainless steel to the German company Börger GmbH for building tanks to be used in biogas production. This is Outokumpu’s first order for the recently launched new duplex steel grade LDX 2404®. The steel for the tanks will be produced at Outokumpu in Avesta Sweden.
By choosing LDX 2404, Börger will be able to reduce the thickness of the plates by about 25%, according to Outokumpu, resulting in about a 25% weight reduction in the construction.
“We chose Outokumpu’s LDX 2404 because of the excellent corrosion properties, making the steel highly suitable for biogas tanks,” said Gerd Buss of Börger.
”Biogas is an important growth market as the need for renewable energy is increasing. Moreover, these biogas tanks will be built in a new way—they will be bolted, not welded. The advantage with bolted tanks is decreased thickness and much shorter on site construction time. This is an exciting project with the potential to open a new market for us,” said Anders Magnusson, Tank Application Manager at Outokumpu.
Outokumpu LDX 2404 was developed at Outokumpu’s Research Centre in Avesta. The steel, launched in late 2010, is the sixth member of the duplex family. The grade is suitable for use in, for example, pressure vessels, tanks, and desalination plants. Duplex steel grades contain less nickel, and more nitrogen and chrome, than the corresponding conventional austenitic steel grades.
Outokumpu is a global leader in stainless steel and has a global market share of 50% in duplex steels. Customers in a range of industries use its stainless steel and services worldwide. Outokumpu employs about 8000 people in more than 30 countries. The Group’s head office is located in Espoo, Finland.
