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Production method of tin plate

A production method and technology of tinplate, applied in the production field of metal materials and tinplate, to achieve the effects of low cost, easy processing, and convenient large-scale promotion

Inactive Publication Date: 2013-07-24
李晓昭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the technical problems existing in the prior art, and provides a production method of tinplate, the tinplate produced by this method is not easy to crack and There will be no defects such as slip lines and textures, and it will meet the requirements of customers to the greatest extent.

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: A production method of a tin-plated plate, the chemical composition of the tin-plated plate is as follows, C: 0.0010-0.0040%, Mn: 0.4-0.7%, Al: 0.03-0.08%, Si≤0.03%, Ti: 0.015-0.04 %,

[0023] B%: 0.003-0.005%, P≤0.015%, S≤0.015%, N≤0.003%, the balance is Fe and some inevitable impurity elements,

[0024] The steps of the tin-plated sheet production method are as follows: steel making, continuous casting, hot rolling, pickling, cold continuous rolling, continuous annealing, leveling, and tin plating.

Embodiment 2

[0025] Example 2: As an improvement of the present invention, the chemical composition of the tin plate is as follows, C: 0.002-0.003%, Mn: 0.5-0.6%, Al: 0.04-0.07%, Si≤0.025%, Ti: 0.02-0.035% , B%: 0.0035-0.0045%, P≤0.012%, S≤0.012%, N≤0.002%, the balance is Fe and some inevitable impurity elements,

[0026] In the steps of the production method, the slab heating temperature in the hot rolling process is 1100-1200 degrees, the final rolling temperature of the hot rolling is 9800-900 degrees; the continuous annealing temperature is 700-800 degrees, and the annealing time is 50-90s ;

[0027] The flat elongation is controlled at 30%-4.5%.

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Abstract

The invention relates to a production method of a tin plate. The tin plate comprises the following chemical components by percent: 0.0010%-0.0040% of C, 0.4%-0.7% of Mn, 0.03%-0.08% of Al, not more than 0.03% of Si, 0.015%-0.04% of Ti, 0.003%-0.005% of B, not more than 0.015% of P, not more than 0.015% of S, not more than 0.003% of N and the balance of Fe and some inevitable impurity elements. The production method of the tin plate sequentially comprises the following steps of: steel-making, continuous casting, hot-rolling, pickling, cold continuous rolling, continuous annealing, leveling and tinning. Compared with the prior art, the tin plate produced by the method is easy for subsequent processing, is unlikely to have defects of cracking, slip line cobwebbing or creasing and barring of a curved surface, is capable of meeting the needs of a user, and is low in cost and convenient for large-scale popularization.

Description

technical field [0001] The invention relates to a tinplate, in particular to a production method of a tinplate, belonging to metal materials [0002] field. [0003] Background technique [0004] Tinplate is very common in the prior art, and it is widely used. In the prior art, low-carbon aluminum-killed steel is generally used to produce tinplate, but this method also has the following problems. The use of low-carbon aluminum-killed steel to produce tinplate After aging, the hardness of the product will increase, and the subsequent processing performance will deteriorate, and it is prone to defects such as cracking, slip line texture, or curved surface wrinkles and edges, and it is difficult to meet the needs of users. . Therefore, a new method is urgently needed to solve the above technical problems. Contents of the invention [0005] The present invention is aimed at the technical problems existing in the prior art, and provides a production method of tinplate. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/14C21D8/02
Inventor 李晓昭
Owner 李晓昭
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