STEB's VD (Vacuum Degassing) systems are engineered for hydrogen and nitrogen removal from molten steel. This treatment is essential for achieving ultra-clean steel and improving product quality. The vacuum environment enables intensive gas stirring in fully inert conditions, providing excellent removal of non-metallic inclusions from molten steel.
Key Processes:
• Hydrogen removal (critical for steel cleanliness)
• Nitrogen removal (essential for mechanical properties)
• Decarburization (fine-tuning carbon content)
• Deoxidation (removing oxygen impurities)
• Desulphurization (reducing sulfur content)
STEB vacuum systems utilize dry mechanical multi-stage vacuum pumps with parallel skids/modules (typically 25,000 Nm³/h modules) for reliable, efficient operation. Capacity ranges from 10 to 300-ton heats, accommodating diverse production requirements.