Glossary
Definitions and quick context for key terms used across our documentation.
Last updated: March 15, 2026
Definitions
Powder that melts to form a slag film for lubrication and heat transfer control in continuous casting.[1]
Liquid and solid layers of slag between mould and shell that govern heat transfer and lubrication.[2]
Temperature at which slag transitions from liquid to solid; affects heat transfer stability.[1]
Mould flux systems designed without fluorides to reduce evaporation and corrosion risks.[3]
Ability of a ladle nozzle to open without lancing, influenced by filler sand properties.[4]
Granular material placed in the slide gate bore to prevent premature steel flow and enable free opening.[4]
Thermally driven bonding of sand particles that can block free opening if excessive.[5]
Monolithic refractory concrete used for lining equipment, with binders and aggregates.[6]
Castable formulation with reduced cement to improve high-temperature performance.[6]
Castable system with alternative binders for improved slag resistance and strength.[7]
Sol-gel binder system used to improve properties in cement-free castables.[8]
Aluminosilicate binder alternative studied for ultra-low cement castables.[9]
Oxygen pickup by molten steel due to exposure to atmosphere or reactive slags; cover powders can affect this.[10]
Covering flux applied on tundish steel to reduce oxidation and heat loss.[10]
Buyer Aliases
Steel plants often use different names for the same consumable depending on department, tender language, and shop practice. Casting Powder may be written as Mould Powder, Mold Flux, Casting Flux, or CCM raw material for continuous casting.
Nozzle Filling Compound is commonly shortened to NFC and may also be called Filler Sand, Ladle Nozzle Filler, Slide Gate Filler, or Free Opening Compound.
Castables may be described as Refractory Monolithic, High Alumina Castable, Furnace Castable, patching material, or Mortar depending on the repair area and application method.
Ladle Covering Compound is often purchased as Radex, Cover Powder, Ladle Insulation Powder, Steel Ladle Cover Material, or Insulating Powder for molten steel heat retention.
References