knowledges

What Is A Titanium Iron? What Are The Development And Application Of Titanium Iron?

2024-01-05 18:00:06

What is a titanium iron? From the point of historical development origin, first with titanium, after the development of smelting ferrotitanium method, specific content as follows.


Titanium was discovered in 1791 by H. Gregor, which was untitled until the discovery of titanium by M. H. Klaproth in 1795, which gave it its name 'Titans'. A. Rossi put forward the patent of electrothermite smelting of titanium and iron in 1901. F. From the mid-1950s, due to the increase of waste titanium gold exhibition material, began to produce 70%Ti titanium iron. In 1959, China began to produce titanium iron on an industrial scale by aluminothermic process at jinzhou ferroalloy factory.

And, in the chemical composition and product varieties, iron iron is titanium and titanium alloy product.

The main components of ferro-titanium are ferroalloys of titanium and iron. It also contains impurities such as aluminum, silicon, carbon, sulfur, phosphorus and manganese. It is used as deoxidizer, desulfurizer, degassing agent and alloy agent for steelmaking. It is added to steel as alloy element in the process of steel refining, and plays the role of refining insulation grain, fixing gap element (C, N) and improving steel strength. According to the content of titanium, there are mainly three varieties: FeTi30 (including Ti25.0 % ~ 35.0%, AK8.5 %, Si < % 5, 0), FeTi40 (including Ti35.0 % % ~ 45, 0, Al < 9.5%, 4.0% Si <} and FeTi70 (including Ti65 % ~ 75%, A10.5 % ~ 5%, Si < 0, 5 %). In addition, There are also a variety of titanium containing composite alloys such as ti-si-fe, ti-b-ai-v, ti-b-ai-cr, ti-ai, ni-ti-ai, ti-b-ai, ti-cr-ai and so on, used as titanium additives.

The specific application of titanium iron is relatively extensive, such as adding this alloy element, the steel product property is more stable, is a rare alloy material.


In the process of steelmaking, it is added to steel as an alloy element to refine grain structure, fixed gap elements (C, N) and improve steel strength. When smelting stainless steel and heat-resistant steel, titanium and carbon are combined into a stable compound, which can prevent the formation of chromium carbide, thus reducing intercrystalline corrosion and improving the welding performance of cr-ni stainless steel. The products of titanium deoxidation are easy to float on the surface, and the use of titanium deoxidation in killed steel can reduce the segregation on the upper part of steel ingot, so as to improve the quality of steel ingot and improve the yield of steel ingot. Titanium and dissolved nitrogen in molten steel combine to form a stable titanium nitride insoluble in molten steel. High iron and titanium alloy smelting iron tomb Tong temperature and quality of alloy material such as stainless steel. With the improvement of quality of steel, the increase of the varieties, quality and variety of titanium iron requirements more and more high. There is a high demand for ti - rich ferric in the international market, but much of our current ferroalloy plants only produce ordinary medium - and low-ti iron. For w(Ti} = 65% ~ 75%, w(AI) 34% of the high titanium iron, few manufacturers officially produced.


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