Cold-rolled tinning base plate for chemical bucket and manufacturing method thereof

A technology of tin-plated substrate and manufacturing method, which is applied in the field of iron-based alloys, can solve the problems of easy cracking of the substrate, high strength, and low elongation after breaking, and achieve the effects of improved product quality, simple production process, and good processing and forming performance

Active Publication Date: 2017-05-31
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a cold-rolled tin-plated substrate for chemical barrels and its manufacturing method, which mainly solves the problems of high strength, low elongation after breaking and low The technical problem that the substrate is easy to crack

Method used

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  • Cold-rolled tinning base plate for chemical bucket and manufacturing method thereof
  • Cold-rolled tinning base plate for chemical bucket and manufacturing method thereof
  • Cold-rolled tinning base plate for chemical bucket and manufacturing method thereof

Examples

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with Examples 1-4.

[0041] Table 1 shows the chemical composition (by weight percentage) of the steel of the embodiment of the present invention, and the balance is Fe and unavoidable impurities.

[0042] Table 1 The chemical composition of the steel of the embodiment of the present invention, unit: weight percent

[0043]

[0044] According to the requirements of the material composition design of the present invention, the molten steel meeting the required chemical composition is obtained by using converter melting, and the molten steel is subjected to vacuum degassing treatment in the RH furnace and then continuously cast to obtain a continuous casting slab with a thickness of 210-230mm and a width of 800-1300mm , the length is 5000 ~ 10000mm.

[0045] The cut-to-length slab produced by steelmaking is sent to the heating furnace for reheating, and after being released from the furnace for depho...

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Abstract

The invention relates to a cold-rolled tinning base plate for a chemical bucket and a manufacturing method thereof. The technical problems that an existing cold-rolled tinning base plate for the chemical bucket is high in strength, low in percentage elongation after fracture and prone to cracking in the manufacture-forming process of the chemical bucket are solved. The cold-rolled tinning base plate for the chemical bucket provided by the invention comprises, by weight, 0.002%-0.004% of C, 0-0.03% of Si, 0.31%-0.40% of Mn, 0-0.015% of P, 0-0.015% of S, 0.04%-0.06% of Alt, 0.065%-0.075% of Ti, and the balance Fe and inevitable impurities. The cold-rolled tinning base plate is mainly used for the packaging fields of chemical tanks, aerial fog tanks and the like.

Description

technical field [0001] The invention relates to a cold-rolled steel plate, in particular to a cold-rolled tin-plated substrate for chemical barrels and a manufacturing method thereof, belonging to the technical field of iron-based alloys. Background technique [0002] Tinplate is a cold-rolled low-carbon thin steel plate or steel strip coated with pure tin on both sides. It is an important raw material for making various packaging containers such as food cans, beverage cans, paint buckets, and chemical buckets. [0003] At present, the grade of cold-rolled tin-plated substrates for chemical barrels is generally SPCC. The carbon content of this steel is relatively high, and the range of carbon content is also wide. The carbon content is controlled at 0.04-0.15%. % manganese metal, in the production process of this steel, due to the high content of carbon and manganese, and the large fluctuation of carbon and manganese content, the strength of the material is relatively high, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/04C22C38/06C22C38/14C21D8/02
Inventor 韩孝永冯桂红
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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