Stahlinstitut VDEh https://vdeh.de/en/steel-academy/seminars/international-seminars/ – 21.10.2025

International Seminars

International Seminars

October28

Secondary Metallurgy of Steel

Stahlinstitut VDEh

Oct 28th, 2025 – Oct 30th, 2025seminar in english

CONTENT
• Tasks of modern secondary metallurgy
• Materials technologies impact on process metallurgy
• Chemistry crash course: How to read phase diagrams
• Thermodynamic and kinetics for secondary metallurgy
• Fluid dynamics in the ladle
• Temperature control using self-learning AI
• Mechanism and kinetics of special reactions
• Deoxidation and calcium metallurgy
• Metallurgy of: ladle furnace, ladle degassing plant, RH plant, VOD and AOD process and of special melting processes
• Special melting processes, especially ESR
• Inclusions and their reduction
• Hydrogen-based CO2-neutral steel production
• Discussion: Does hydrogen-based steel production pose new challenges for secondary metallurgy?
• Teamwork exercise: Steel plant layouts for different types/grades of steel

more information

November23

Refractory Technology

Applications, Wear Mechanism and Failures

Nov 23rd, 2025 – Nov 26th, 2025seminar in english

A seminar where industry experts and professionals come together to discuss the crucial role of refractory materials in steel production, focusing on potential damage and increasing the durability of refractory materials in various processes.

Here are the key highlights from the seminar:
Steel Manufacturing Process, Wear Mechanisms and Methods for Examination of Refractory Materials, Refractory Lining and Wear Mechanism in Blast Furnaces, Refractory Materials for Direct Reduction Plants, Process Conditions Affecting Refractory Lining Life, Refractory Technology in Oxygen Blowing Converters, Steel Teeming Ladles: Metallurgical Treatment and Refractory Stress, Refractory Lining and Wear in AC and DC Furnaces, Economics in Refractory Usage

more information

December02

Electrical Engineering of Arc Furnaces

NH Düsseldorf City North

Dec 2nd, 2025 – Dec 4th, 2025seminar in english

- Importance of the EAF in hydrogen concepts
- Physics of AC and DC arcs
- Design of the AC high-current system
- Equivalent circuit diagram of AC-EAF & OBF
- Short circuit and operating reactance
- Design of the AC high-current system
- Power supply for EAF and requirements for the supply network
- Excursus: New energy supply concepts for the EAF
- Furnace transformers
- Circle and furnace power diagram of AC-EAF
- Electrical layout of AC Furnaces
- Melting of DRI and HBI in the EAF
- Comparison EAF vs. OBF/Smelter
- Closed loop power control of AC-furnaces
- Electric principles of DC-furnaces
- Energy balance of the EAF
- Exercise: Electrical design of an AC-EAF

more information