EBM requires high‑purity steel and alloy powders with controlled particle size, chemistry, and flowability. Key quality features include certified powder batches, vacuum processing, controlled powder reuse, heat treatment, and inspection to ensure consistent part quality.
Electron Beam Melting (EBM) is a powder bed fusion additive manufacturing process that uses a high‑energy electron beam to melt metal powders layer by layer under vacuum. The vacuum environment and elevated build temperatures place specific demands on powder materials and enable stable processing of high‑performance alloys with reduced residual stress. Material requirements focus on consistent chemical composition, high purity, and controlled powder morphology to ensure reliable melting behavior and predictable mechanical properties.
Steels and alloys used in EBM include tool steels, stainless steels, and heat‑resistant nickel‑based alloys. Powders must exhibit a narrow particle size distribution, high sphericity, and good flowability to ensure uniform powder spreading and consistent layer density. Low oxygen and nitrogen contents are critical to prevent embrittlement and maintain toughness. Key quality features include certified powder production, batch traceability, controlled powder reuse, and process‑specific parameter validation. In‑process monitoring, post‑build heat treatment, and non‑destructive inspection ensure structural integrity, dimensional accuracy, and repeatable part quality suitable for demanding aerospace and industrial applications.
Uddeholm Dievar is a premium steel developed for the demanding application of high pressure casting. With new process improvements and development for use in large sizes, Uddeholm Dievar’s quality and toughness is better than ever. It is the industry benchmark for a high performance steel for the longest tool life and lowest crack risks due to its superior toughness and ductility. Apart from die casting it has proven itself as a great tool steel for other applications such as forging, extrusion and hot stamping. Uddeholm Dievar is also available for Additive Manufacturing, powder for processing Laser Powder Bed Fusion (LPBF) and Laser Metal Deposition (LMD). Benefits Uddeholm Dievar has superior heat checking and hot properties over AISI H13 and AISI H11 Perfect for large structural dies Standard specification AISI H13 / AFNOR Z35 CDV 5.3
Read MoreUddeholm Vanadis 4 Extra SuperClean is the most versatile PM tool steel on the market today, combining high wear resistance with very good ductility and resistance to chipping of edges. Excellent machinability in both soft and hard condition ensures advantages in both tool making and tool maintenance. Uddeholm Vanadis 4 Extra SuperClean is also available as powder for processing by Electron Beam Melting (EBM) technology. This powder has the same chemical composition as the PM material. Benefits Reliable production with low risk of edge chipping Best combination of high hardness, wear resistance and chipping resistance High compressive strength Best stock standard program of all PM grades Standard specification AISI D2 / AFNOR de type Z136 CDV 5.4
Read MoreUddeholm Vanadis 4 Extra SuperClean is the most versatile PM tool steel on the market today, combining high wear resistance with very good ductility and resistance to chipping of edges. Excellent machinability in both soft and hard condition ensures advantages in both tool making and tool maintenance. Uddeholm Vanadis 4 Extra SuperClean is also available as powder for processing by Electron Beam Melting (EBM) technology. This powder has the same chemical composition as the PM material. Benefits Reliable production with low risk of edge chipping Best combination of high hardness, wear resistance and chipping resistance High compressive strength Best stock standard program of all PM grades Standard specification AISI D2 / AFNOR de type Z136 CDV 5.4
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