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Outokumpu orders powder atomisation plant from SMS group

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Author: Editorial Office

Outokumpu orders powder atomisation plant from SMS group

Subscription is a business model under which SMS group will remain the owner of the powder atomisation plant, while Outokumpu, as operator of the plant, will pay SMS group pro rata of the quantity of stainless steel powder produced.
The atomisation plant – scheduled to become operational in early 2022 – will be designed for an annual production of up to 330 t of stainless steel powder.
Tobias Brune, SMS group, Head of Additive Manufacturing & Powder Metallurgy: “Right from the beginning the whole project has been sailing under the flag of partnership. With this performance-based contract model we are breaking new ground jointly with our customer which will bring both of us forward. The Subscription contract provides for both companies to concentrate on their respective core competences to be successful in the market.“


Outokumpu is one of the world’s leading producers of high-grade stainless steels. With production facilities in Finland, Germany, the United Kingdom, Sweden, the U.S.A. and Mexico, and a worldspanning network of service centres, Outokumpu supplies a wide range and great diversity of tailored stainless steel products for virtually any application to customers from most different sectors, including architecture, infrastructure, automotive, heavy industries, medical engineering and domestic appliances.
Philip Salfeld, Outokumpu Manager Strategic Investments: “As the inventors of stainless steel, we are aiming to continuously advance innovation in general, and the development and distribution of this highly versatile and sustainable material. In so doing, we are always looking out for innovative applications that will attract new customer segments to our products. Metal powder is one such innovative business field. And we are looking very much forward to developing it jointly with SMS group.”

Scope of supply

SMS group’s scope of supply will comprise the powder atomisation plant complete with the grading equipment, spare parts service over the duration of the contract, and digital solutions.
The powder atomisation plant, which SMS is going to supply, includes the induction melter, the atomiser, two cyclones and filter elements. It will be designed for the complete process to take place in an inert atmosphere. This enables temperature measurements, sample taking and material feeding to be performed without causing any atmospheric variations. The atomising nozzle is arranged below the distributor, which contains the molten metal. The metal runs through the nozzle, undergoing atomisation in the atomisation tower by means of inert gas. From there the resulting powder is conveyed – still under inert conditions – to the cyclone unit, separated from the inert gas and collected in containers. Then the metal powder – in its finished condition – is screened and graded.
The atomisation plant will be designed to atomise powders of stainless steels, maraging steels, special steels, superalloys, nickelbased alloys, cobalt-chromium alloys and alloys on copper basis, among others.
As feed stock, lumpy material (such as metal scrap, virgin metal and master alloys) or non-specified powder (in fine and coarse fractions) can be used.
SMS digital, a company of SMS group, is going to supply the Smart Alarm system, which assures quick and straight-forward responses to alarms triggered in production plants. Thanks to intelligent priority scheduling and the direct linking of solution messages, the system supports the operator in increasing plant availability and enhancing the understanding of how the system works by sending out automated notifications.
In parallel with the installation of the plant at Outokumpu, the customer’s staff will be trained at the powder atomisation plant operated by SMS group in Mönchengladbach.
(Source: SMS group)