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Tinned plate and production method thereof

A production method and technology of tinplate, applied in the manufacture of converters, etc., can solve the problems of poor uniformity of strength and performance of tinplate, and achieve the effect of good plate shape, meeting the manufacturing requirements of stamping and forming, and excellent stamping and forming performance

Inactive Publication Date: 2020-07-28
SHENZHEN XINGHONGTAI TIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a tinplate and its production method, which solves the problem of poor uniformity of strength and good performance of the existing tinplate

Method used

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] The present invention is a tin-plated plate, which includes the following components: carbon, silicon, manganese, phosphorus, sulfur, nitrogen, and iron; wherein, each chemical component and the mass percentage of each chemical component are: carbon: 0.09% to 0.15%, Silicon: 0.005% to 0.02%, tin 0.03% to 0.07%, lead 0.001% to 0.009%, manganese: 0.0005% to 0.50%, phosphorus: 0.01% to 0.015%, sulfur: 0.003% to 0.012%, nitrogen: 0.003% ~0.015%, the balance is iron.

[0024] A kind of production method of tinplate, comprises the steps:

[0025] S...

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PUM

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Abstract

The invention discloses a tinned plate and a production method thereof and relates to the technical field of iron and steel smelting. The tinned plate comprises carbon, silicon, manganese, phosphorus,sulfur, nitrogen and iron, wherein the tinned plate comprises the following chemical components in percent by mass: 0.09-0.15% of carbon, 0.005-0.02% of silicon, 0.03-0.07% of tin, 0.001-0.009% of lead, 0.0005-0.50% of manganese, 0.01-0.015% of phosphorus, 0.003-0.0125% of sulfur, 0.003-0.015% of nitrogen and the balance iron and inevitable impurity elements. By controlling the heating temperature, the finishing temperature and the rolling temperature of a continuous casting sheet billet, controlling the cold rolling reduction rate and optimizing the annealing temperature and the annealing time of a continuous annealing furnace, it is ensured that the yield strength of the cold rolled tinned plate meets the requirements, the tinned plate is good in shape, has a good stamping property andmeets a stamping manufacturing demand. The material components do not contain precious alloy elements and are produced by adopting controlled rolling and controlled cooling process and a reasonable annealing temperature control technique, so that the tinned plate is simple in process and relatively low in manufacturing cost.

Description

technical field [0001] The invention belongs to the technical field of iron and steel smelting, and in particular relates to a tinplate and a production method thereof. Background technique [0002] Tinplate has high requirements on the strength, hardness and performance uniformity of the material. In the production process of tinplate, if the strength is lower than the specified requirement, the strength of the whole batch of steel coils cannot be kept uniform and stable. In the subsequent stamping, etc. Crack defects are easy to occur during cold deformation, which reduces the yield and increases production costs. At present, when most manufacturers choose tin-plated steel, they generally use SPCC series steel grades, but SPCC has a wide range of carbon content, and the carbon content is controlled at 0.01-0.09%, which meets the requirements, and the carbon content fluctuates greatly, resulting in material The strength and ductility of the tinplate cannot be well matched,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/60C22C38/04C22C38/02C22C33/04C23G1/08C23G3/02C21D8/02C21D1/26C21C5/28C21C7/072C21D1/74
CPCC21C5/28C21C7/072C21D1/26C21D1/74C21D8/0205C21D8/0247C22C33/04C22C38/001C22C38/002C22C38/008C22C38/02C22C38/04C22C38/60C23G1/08C23G3/023
Inventor 王寿银邢鸿伟邢璧凡邢璧元
Owner SHENZHEN XINGHONGTAI TIN
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