Porous Plugs

Installed at the ladle bottom, porous plugs blow argon or nitrogen into the molten steel to homogenize composition and temperature and promote the flotation of non-metallic inclusions. They feature high gas permeability, excellent slag resistance, and anti-spalling performance.

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Physical and Chemical Indicators

Item	Unit	Corundum Type	Cr-Corundum Type
Al₂O₃	%	≥ 90	≥ 85
Bulk Density	g/cm³	≥ 3.10	≥ 3.20

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