Melt Stability Challenges in High-Capacity Aluminum Casting Lines High-capacity continuous aluminum casting lines maintain a steady, high throughput of molten metal. However, melt conditions tend to fluctuate with raw material batches and furnace operating status. After furnace refining, molten aluminum contacts air during long-distance launder transfer, leading to variable hydrogen and inclusion levels. This melt inconsistency causes uneven quality across cast batches and