Höganäs introduces 98% recycled Astaloy CrS powder at World PM2022

October 12, 2022

Höganäs introduced its new Astaloy® CrS metal powder at World PM2022 (Courtesy PM Review)
Höganäs introduced its new Astaloy® CrS metal powder at World PM2022 (Courtesy PM Review)

At this year’s World PM Congress & Exhibition conference, organised by the European Powder Metallurgy Association (EPMA), Sweden’s Höganäs AB announced a new sustainable Cr pre-alloyed metal powder. The powder – Astaloy® CrS – is functionally recycleable and, by intention, can be used as a raw material for the same product after the first iteration has reached its end of life.

The company states that Astaloy CrS is produced via water atomisation from 98% recycled raw material, with 100% of its Fe content recycled.

In this alloyed powder, Höganäs has responded to demands for Cu-free alternatives to FeCuC, as Cu can reduce steel’s mechanical properties and, further, cannot be removed from steel scrap. Previously, to overcome this issue, scrap infused with Cu might be diluted with virgin steel, rendering FeCuC a non-circular powder.

DC scatter, segregation, heterogeneity and variations in builds can be avoided with Astaloy CrS as there is no liquid phase sintering, no metal segregation, and low variations in C content. A higher DC stability translated to a more stable production process. The full potential of the metal powder is said to be obtained in combination with Höganäs’ Starmix premix, enabling higher filling properties.

At its World PM2022 booth, Höganäs also outlined its road map to net zero as follows:

  • Scope 1: Direct Emissions – Net zero by 2030
  • Scope 2: Indirect emissions (owned) – Fossil-free electricity 2024
  • Scope 3: Indirect emissions (not owned) – 30% reduction by 2030 | Net zero by 2037

www.hoganas.com

Höganäs introduced its new Astaloy® CrS metal powder at World PM2022 (Courtesy PM Review)

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