High Level Material Ferro Titanium 70

Appropriate refining slag and high refining temperature are very important to ensure refining results; After reduction refining, the microstructure of the alloy is uniform and dense, the inclusions are effectively removed, and the O content is significantly reduced. At 2000°C, the titanium content of the high ferro titanium70 prepared with CaO-Al2O3 as the refining slag was 69.80%, the iron content was 22.55%, the aluminum content was 2.58%, the silicon content was 2.02%, and the O content was 2.60%, which met the technical requirements of high-quality high-titanium ferroalloy.

1.High ferro titanium 70 is a special ferroalloy with a wide range of uses, which is an indispensable material for smelting iron-based superalloys and high-quality stainless steel, especially in improving the quality of military, aviation and other high-grade alloy steels. With the improvement of steel quality requirements, the requirements for the quality of ferrotitanium are also getting higher and higher. At present, the preparation method of high ferrotitanium mainly adopts thermite reduction method. This method has a wide source of raw materials, low price and low production cost. However, due to the high oxygen content, the prepared high ferrotitanium can not meet the requirements of users, so that the use of high ferrotitanium is limited. The cost of high-quality and high-titanium ferrotitanium is extremely high, which seriously restricts the development of high-tech. Starting from the current process of preparing ferro-titanium by thermite, a new process for the preparation of low-oxygen high-quality ferro-titanium by thermite reduction-vacuum refining method was proposed by analyzing the microstructure of ferro-titanium and the formation mechanism of oxygen, that is, the crude products of ferro-titanium were prepared by thermite reduction method firstly, and then vacuum refining.

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