CN103215508A - Production method of tin plate - Google Patents
Production method of tin plate Download PDFInfo
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- CN103215508A CN103215508A CN 201310171001 CN201310171001A CN103215508A CN 103215508 A CN103215508 A CN 103215508A CN 201310171001 CN201310171001 CN 201310171001 CN 201310171001 A CN201310171001 A CN 201310171001A CN 103215508 A CN103215508 A CN 103215508A
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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
The present invention relates to a kind of tin plate, relate in particular to a kind of production method of tin plate, belong to metallic substance
The field.
Background technology
Tin plate is very common in the prior art, use also very extensive, produce tin plate in the prior art and generally adopt carbon aluminium-killed steel production, but also there is following problem in this method, when adopting carbon aluminium-killed steel to produce tin plate, tangible timeliness can take place, its product hardness will increase after the timeliness, follow-up processing characteristics is variation then, occurs cracking easily, produces defectives such as slip line reticulate pattern or the barring of curved surface fold, is difficult to satisfy user's demand.Therefore, a kind of new method of exigence solves above-mentioned technical problem.
Summary of the invention
The present invention provides a kind of production method of tin plate just at the technical problem that exists in the prior art, and the tin plate that this method is produced is not easy cracking and can produce defective such as slip line reticulate pattern, satisfies requirement of client to greatest extent.
To achieve these goals, technical scheme of the present invention is as follows: a kind of production method of tin plate, it is characterized in that, the chemical ingredients of described tin 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%, B%:0.003-0.005%, P≤0.015%, S≤0.015%, N≤0.003%, surplus is Fe and some unavoidable impurities elements, and described tin plate production method steps in sequence is as follows, steel-making, continuous casting, hot rolling, pickling, cold continuous rolling, continuous annealing, smooth, zinc-plated.
As a kind of improvement of the present invention, the chemical ingredients of described 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%, surplus is Fe and some unavoidable impurities elements
In the step of described production method, the hot-rolled process slab heating temperature is the 1100-1200 degree, and hot rolling finishing temperature is 9800-900 degree; The temperature of described continuous annealing is 700-800 degree, and annealing time is 50-90s;
Described smooth elongation control is at 30%-4.5%.
In the technical program, select the reason of mentioned component as follows,
C:C is one of solution strengthening element, but increase along with the C constituent content, though the hardness of soft tin-plate increases, but plasticity reduces, and its ageing resistance performance variation, and in order to guarantee the necessary corresponding increase Ti content of ageing resistance performance, make production cost also increase, therefore C content should not be too high, guarantees that simultaneously soft tin-plate obtains suitable hardness, and the present invention is with between the C constituent content control 0.0010-0.0040%;
Mn:Mn is main solution strengthening element, and its content high product hardness more can be high more.Because the Mn price is higher relatively, in order to save cost, is satisfying under the prerequisite of performance, consumption is few more economical more, therefore Mn content is controlled between the 0.4-0.7%
Ti:Be mainly used in the free C in the fixing steel, make it form TiC, Ti helps improving ageing resistance performance, especially its punching formation property of material simultaneously, and TiC also has certain dispersion-strengthened action simultaneously, can improve the intensity and the hardness of material.But the Ti price is more expensive, in order to save manufacturing cost, so should strictly control its content, in the present invention, Ti content is controlled between the 0.015-0.04%.
The boron of trace mainly exists in the steel with the solid solution form, and poly-partially at crystal boundary, make heat affected zone grain refining when system jar welding, thereby improve the performance of tin plate welding, and in the continuous annealing process, quicken annealing recrystallization, improve the continuous annealing performance uniformity.The present invention is 0.003-0.005% for this reason.
Al: indispensable reductor when being not only steel-making, and can be used for fixing the N atom, the ageing resistance performance of favourable raising material; Its content did not reach the purpose of fix N atom less than 0.03% o'clock, ageing resistance performance variation, and deoxidation effect is relatively poor simultaneously; And its content is higher than at 0.08% o'clock, and not only cost is higher, and can suppress growing up of annealing recrystallization crystal grain, and therefore, the present invention is limited to 0.03-0.08% with its content.
Though certain strengthening effect is arranged Si but solidity to corrosion is poor, and bigger to the control influence of scale on surface, and so low more good more, the present invention requires its content control below 0.025%.
Other elements:
P≤0.015%, S≤0.015%, N≤0.003% all is the detrimental impurity element, should strictly control, and is low more good more, otherwise influences the mechanical property and the solidity to corrosion of soft tin-plate.These impurity elements as long as in limited range of the present invention, all can be produced the soft tin-plate that meets the demands.
With respect to prior art, this method is produced
Tin plateFollowing process is easy, defectives such as cracking, slip line reticulate pattern or the barring of curved surface fold can not occur, can satisfy user's demand, and its cost is lower, is convenient to large-scale popularization.
Embodiment
In order to deepen the understanding of the present invention and understanding, the present invention is done detailed explanation and introduction below in conjunction with embodiment.
Embodiment 1:A kind of production method of tin plate, the chemical ingredients of described tin 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%,
B%:0.003-0.005%, P≤0.015%, S≤0.015%, N≤0.003%, surplus is Fe and some unavoidable impurities elements,
Described tin plate production method steps in sequence is as follows, steel-making, continuous casting, hot rolling, pickling, cold continuous rolling, continuous annealing, smooth, zinc-plated.
Embodiment 2:As a kind of improvement of the present invention, the chemical ingredients of described 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%, surplus is Fe and some unavoidable impurities elements
In the step of described production method, the hot-rolled process slab heating temperature is the 1100-1200 degree, and hot rolling finishing temperature is 9800-900 degree; The temperature of described continuous annealing is 700-800 degree, and annealing time is 50-90s;
Described smooth elongation control is at 30%-4.5%.
Need to prove that the foregoing description only is preferred embodiment of the present invention, be not used for limiting protection scope of the present invention, done on the basis of such scheme be equal to replace or substitute, all belong to protection scope of the present invention.
Claims (2)
1. the production method of a tin plate is characterized in that, the chemical ingredients of described tin 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%, B%:0.003-0.005%, P≤0.015%, S≤0.015%, N≤0.003%, surplus is Fe and some unavoidable impurities elements, described tin plate production method steps in sequence is as follows, steel-making, continuous casting, hot rolling, pickling, cold continuous rolling, continuous annealing, smooth, zinc-plated.
2. the production method of tin plate according to claim 1 is characterized in that, the chemical ingredients of described 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%, surplus are Fe and some unavoidable impurities elements
In the step of described production method, the hot-rolled process slab heating temperature is the 1100-1200 degree, and hot rolling finishing temperature is 9800-900 degree; The temperature of described continuous annealing is 700-800 degree, and annealing time is 50-90s; Described smooth elongation control is at 30%-4.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310171001 CN103215508A (en) | 2013-05-10 | 2013-05-10 | Production method of tin plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310171001 CN103215508A (en) | 2013-05-10 | 2013-05-10 | Production method of tin plate |
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| CN103215508A true CN103215508A (en) | 2013-07-24 |
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| CN 201310171001 Pending CN103215508A (en) | 2013-05-10 | 2013-05-10 | Production method of tin plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104419865A (en) * | 2013-08-31 | 2015-03-18 | 上海梅山钢铁股份有限公司 | Cold-rolled tin plate for easy-to-open lid and production method of cold-rolled tin plate |
| CN106834933A (en) * | 2016-12-09 | 2017-06-13 | 天长市天龙泵阀成套设备厂 | High intensity tin plate |
| CN106834934A (en) * | 2016-12-09 | 2017-06-13 | 天长市天龙泵阀成套设备厂 | High intensity tin plate and its production method |
| CN109136777A (en) * | 2018-08-03 | 2019-01-04 | 首钢集团有限公司 | A kind of secondary cold-rolling tin plate and its production method |
-
2013
- 2013-05-10 CN CN 201310171001 patent/CN103215508A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104419865A (en) * | 2013-08-31 | 2015-03-18 | 上海梅山钢铁股份有限公司 | Cold-rolled tin plate for easy-to-open lid and production method of cold-rolled tin plate |
| CN106834933A (en) * | 2016-12-09 | 2017-06-13 | 天长市天龙泵阀成套设备厂 | High intensity tin plate |
| CN106834934A (en) * | 2016-12-09 | 2017-06-13 | 天长市天龙泵阀成套设备厂 | High intensity tin plate and its production method |
| CN109136777A (en) * | 2018-08-03 | 2019-01-04 | 首钢集团有限公司 | A kind of secondary cold-rolling tin plate and its production method |
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Application publication date: 20130724 |