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研制出了由氟化镁、硅钙和石墨配制的球化涂料。涂料用NaCl作粘结剂,加入15~20%的水制成悬浮剂。用于表层球化的原铁水成分:3.62 %C,
Developed by magnesium fluoride, calcium silicate and graphite formulated ball coating. Coating with NaCl as a binder, adding 15 ~ 20% water suspension agent. The original hot metal for surface spheroidization composition: 3.62% C,