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A processing method of low-carbon aluminum-killed steel pickling plate

A technology for low-carbon aluminum-killed steel and aluminum-killed steel acid, which is applied in the field of steel rolling to achieve the effect of reducing the production of iron sheets

Active Publication Date: 2020-02-07
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a processing method of low-carbon aluminum-killed steel pickling plate, solves the serious technical problem of landscape painting on the surface of low-carbon aluminum-killed steel pickling plate, achieves reduction of iron scale generation, and removes iron scale to the greatest extent, controls The Technical Effects Appearing in Landscape Painting

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  • A processing method of low-carbon aluminum-killed steel pickling plate

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Embodiment 1

[0027] The embodiment of the present invention provides a processing method of low-carbon aluminum killed steel pickling plate, please refer to figure 1 , the pickling plate is formed from a slab through the steps of heating, rough rolling, finish rolling, cooling, coiling, and pickling to form a finished pickling plate; wherein, the method also includes: the mass content of silicon in the low-carbon aluminum-killed steel Controlled below 0.03%.

[0028] Specifically, the slab is heated, rough rolled, finish rolled, cooled, coiled and pickled to form the low carbon aluminum killed steel pickled slab. Moreover, the silicon content of the slab used for steelmaking production must be controlled below 0.03%, so as to ensure that the slab processed through the above steps becomes a qualified pickled slab finished product. Under the premise of ensuring enough time in the furnace, the temperature of the low-carbon aluminum killed steel is controlled, and the temperature of the furna...

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Abstract

The invention discloses a machining method of a low-carbon aluminum killed steel pickling plate. The pickling plate is subjected to the steps of heating, rough rolling, finish rolling, cooling coilingand pickling to form a finished product of the pickling plate, and the method further comprises the step that the mass content of silicon in low-carbon aluminum killed steel is controlled to be 0.03%or below. According to the method, the technical problem that the landscape-painting characteristic on the surface of the low-carbon aluminum killed steel pickling plate is serious is solved, so thatthe technical effects of reducing the generation of scales, removing the oxide scales to the maximum degree and controlling the appearance of the landscape-painting characteristic are achieved.

Description

technical field [0001] The invention relates to the technical field of steel rolling, in particular to a processing method for a low-carbon aluminum-killed steel pickling plate. Background technique [0002] Pickling sheet is an intermediate product with high-quality hot-rolled sheet as raw material, which is removed by pickling unit. The surface quality and use requirements are between hot-rolled sheet and cold-rolled sheet. It has high cost performance and development prospects. It is widely used in the automobile and home appliance industries. [0003] However, in the process of implementing the technical solutions in the embodiments of the present application, the inventors of the present application found that the above-mentioned prior art has at least the following technical problems: [0004] Landscape paintings generally exist on the surface of low-carbon aluminum-killed steel pickling boards, which have a great impact on the subsequent electroplating and electropho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/22B21B37/74
CPCB21B1/22B21B37/74B21B2001/225
Inventor 崔秋艳尹晓盼黄爱建程政杨孝鹤富晓航李旺徐永先
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD