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Tundish nozzle
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- Description
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The high-quality upper and lower parts are made primarily from sintered corundum, electrofused corundum, and electrofused mullite, using a novel resin binder. They are formed under high pressure, then fired at high temperature via nitriding, and do not require oil impregnation. These parts boast advantages such as high strength, excellent resistance to high temperatures and corrosion, strong thermal stability, and a long service life.
Item eye
Alumino-magnesian
Corundum-based
Al203%
≥65
≥80
MgO%
≥30
--
C%
≤3.0
≤3.0
Fe203%
≤1.0
≤1.0
Volumetric density g/cm³ 2
≥3.10
≥3.00
Visible stomata %
≤8
≤10
Room-temperature compressive strength MPa
≥120
≥120
Tundish nozzle
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