Industral experiments were carried out in a ladle with injecting CaSi or CaO+CaF2 powders into liquid steels of 16Mn grade made in a open hearth furnace.

• 工业试验使用平炉冶炼的16Mn钢水,钢包喷吹CaSi粉或CaO+CaF_2粉剂。