Low silicon aluminum-iron alloy
An aluminum-iron and alloy technology, applied in the field of low-silicon aluminum-iron alloys, can solve the problems that cannot satisfy the final deoxidation of low-silicon steel, easy condensation to block the nozzle, and influence on the mechanical properties of the steel, so as to achieve high specific gravity, improve plasticity and toughness, The effect of strong penetrating ability
Inactive Publication Date: 2009-05-20
杨军
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Problems solved by technology
Al-Mg-Fe alloys are used for final deoxidation of molten steel. Although a relatively complete degree of deoxidation can be obtained, there are also disadvantages: the deoxidation product AL in steel 2 o 3 The inclusions are in the form of strips, which have a great influence on the mechanical properties of the steel because of
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[0010] Example:
[0011] The chemical composition (weight %) of the low-silicon aluminum-iron alloy produced by induction furnace smelting is:
[0012] Aluminum 30%, Magnesium 6%, Calcium 8%, Strontium 1.5%, Silicon 0.06%, Cerium 1.2%,
[0013] The balance is Fe.
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Abstract
A low silicon Fe-Al series alloy is characterized in that the alloy has the following chemical compositions by weight percentage: 30-40 percent of aluminum, 5-10 percent of magnesium, 5-10 percent of calcium, 1-3 percent of strontium, 0.05-0.85 percent of silicon, 0.1-2 percent of cerium, and the balance of Fe. The alloy conducts deep deoxidation by using the activity of alkaline earth metallic elements, not only has better deoxidizing capacity, but also has stronger penetrating power on molten steel due to low melting point and large proportion, effectively removes gas and changes sonims, has refining function on molten steel, nodularization function on devulcanized inclusion and grain refinement function, and contributes to further improvement of steel quality. Simultaneously, lanthanon is added to promote crystalline structure degeneration of steel, thus increasing plastic nature and toughness of the steel.
Description
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Owner 杨军
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