The pig iron melted in the blast furnaces flowed through the tapping chute into large ladles. From here, after desulfurization, it went to the converter steel mill, where it was refined into steel.  About 5-10% was cast into ingots and delivered to foundries.   PLG_GSPEECH_SPEECH_BLOCK_TITLE A pig iron ladle with 24 t capacityThe pig iron melted in the blast furnaces flowed through the tapping chute into large ladles. From here, after desulfurization, it went to the converter steel mill, where it was refined into steel.  About 5-10% was cast into ingots and delivered to foundries.