Inspection: K-Mold
Before: Ingots with lots of impurities contained (no degassing). | After: Ingots with minimized impurities after degassing. |
Before: Ingots with lots of impurities contained (no degassing). | After: Ingots with minimized impurities after degassing. |
Before: Lots of breath holes (no degassing) | After: 90% of breath holes (≦0.3C.C./100g) disappearing after degassing. |