Purging Plugs
Purging plugs for ladles have reasonable structure configuration design and present good thermal stability, good resistance to impact and erosion, good permeability and high gas purging rate.ItemChrom
Purging plugs for ladles have reasonable structure configuration design and present good thermal stability, good resistance to impact and erosion, good permeability and high gas purging rate.
Item | Chrome corundum purging plug | Chrome corundum spinel purging plug | Corundum spinel purging plug |
Al2O3, % | 88~ 92 | 94(+ MgO, Cr2O3) | 94(+ MgO) |
Cr2O3, % | 4.0 ~ 7.0 | - | - |
Bulk density ,g/cm3 (1600°C´3hrs) | 3.0 | 3.0 | 3.0 |
CCS, MPa (1600°C´3hrs) | 90 | 90 | 90 |
MOR, MPa ³ | 12 | 14 | 14 |
Refractoriness under load, °C, ³ | 1700 | 1700 | 1700 |
Flow rate, Nl/min | 200 ~ 650 | 200~ 650 | 200~ 650 |
Thermal shock resistance, cycle, > | 12 | 12 | 12 |
Application | Used for bottom argon blowing refining ladles | ||