CHINA INDUSTRY UNION BEIJING CORP​
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Porous Plugs
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The bottom blow porous plug is the weak link of ladle refractory and also the primary factor that affects the ladle’s service life. For secondary refining like the LF process, stirring the molten steel via porous plugs is indispensable and the reliability of the stirring greatly influences steel quality.


The requirements of porous plugs are:
1. Resistance against molten steel penetration
2. Corrosion resistance

3. Thermal spalling resistance.


Primarily focusing on the reliability of the stirring effect, CIUC has been designing and developing high-quality porous plugs, and offering them in compliance with clients' operational conditions, e.g., the requested gas flow rate.