For con-casting and refining ladles, featured by high strength, low thermal conductivity, good thermal stability, high slag resistance, and favorable for low and ultralow carbon steel making.

• 适应于连铸和精炼钢包。强度高，抗侵蚀，导热系数低，热稳定性好，适合于冶炼低碳钢、超低碳钢。