CN104561697B - A kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material - Google Patents
A kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material Download PDFInfo
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Abstract
The present invention relates to a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, belong to aluminium and aluminum alloy processing technology field.The present invention efficiently solves horizontal and tilting casting production cast-rolling stock upper and lower plates component segregation substantially and crystal grain difference problem using bottom pouring type casting and rolling machine production pop can material, the key link of influence tank material performance is solved in terms of casting and rolling production process and Technology for Heating Processing two, produce the pop can material that performance indications reach hot rolling material, casting and roll process has obvious cost advantage than Hot rolling, saves energy resource consumption.
Description
Technical field
The invention belongs to aluminium and aluminum alloy processing technology field, and in particular to a kind of directly to use electrolytic aluminium liquid bottom pouring type casting
The method that method produces pop can tank material.
Background technology
Current pop can material most ripe production method is to produce blank using Hot rolling, is rolled again through cold rolling after hot continuous rolling
Make 0.245mm ~ 0.285mm finished product thicknesses.Pop can material is generally divided into tank material and cover material, and tank material generally uses 3104
With 3004 alloy productions, mainly based on 3104 ~ H19 alloys.Cover and draw ring are generally with 5052 and 5182 alloy productions, 5052
Alloy accounts for 60%, and 5182 alloys account for 40%.
Because Hot rolling equipment investment is big, production procedure is long, and cost is high.Therefore also used both at home and abroad in many manufacturers
Ha Zilie special formula methods are produced.Ha Zilie special formulas method includes crawler type continuously casting and continuous rolling produces the side of Aluminum sheets
Method.
Directly using electrolytic aluminium liquid casting and roll process blank due to being always that the country is permitted with the cost advantage more relatively low than Hot rolling
The direction of many manufacturer's unremitting efforts.Current casting and roll process production tank material uses horizontal casting（See Fig. 1）With tilting casting
Roll（See Fig. 2）Mode, both modes fail effectively to solve cast-rolling stock component segregation and organization internal anisotropic problem, lead
Tank material is caused to be less than hot rolling material in two indexs of earing rate and deep drawability, the pop can material of casting and roll process production can not meet follow-up system
Tank processing request, realizes not in production technology and breaks through.
Therefore the technology that the deficiencies in the prior art are aluminum current and aluminum alloy processing technology field urgent need to resolve how is overcome
Problem.
The content of the invention
The invention aims to solve the deficiencies in the prior art there is provided a kind of directly with electrolytic aluminium liquid bottom pouring type casting
The method that method produces pop can tank material, solves the pass of influence tank material performance in terms of casting and rolling production process and Technology for Heating Processing two
Key link, produces the tank material that performance indications reach hot rolling material.
The technical solution adopted by the present invention is as follows：
It is a kind of directly to use electrolytic aluminium liquid bottom pouring type casting and roll process（See Fig. 3）The method for producing pop can tank material, including following step
Suddenly：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 680 ~ 700 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 680 ~ 690 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 10 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 5.5 ~ 7.5mm is produced into after casting；Described
Preceding case temperature is 700 ~ 705 DEG C, and roll is 40 ~ 45mm, and roll casting speed is 0.75 ~ 0.85m/min；
Step（5）, step（4）It is 3.0 ~ 5.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, is then carried out
The lower homogenizing annealing of nitrogen protection, then after being 0.5 ~ 1.0mm through cold rolling to thickness, progress full annealing, most afterwards through cold rolling
Thickness is rolled down to for 0.25mm, pop can tank material is produced；Described homogenizing annealing be under nitrogen protection, its material temperature be 500 ~
550 DEG C, annealing time is 25 ~ 30h；The material temperature temperature of described full annealing technique be 350 ~ 400 DEG C, annealing time be 10 ~
15h。
It is further preferred that described degasification tank uses single rotor, and it is argon gas atmosphere.
Filtered twice it is further preferred that described Rose Box is used：It is 30 mesh ceramic filter plates, second for the first time
For 50 mesh ceramic filter plates.
It is further preferred that step（4）Described casting plate thickness is 6.8 ~ 7.2mm.
Step of the present invention（2）In " first plus other alloying elements ", here the present invention to other alloying elements without specifically
Ask, as long as meeting step（2）The requirement of middle constituent content.
The alloying element added in " first plus other alloying elements " is all the conventional products of this area on the market.
Compared with prior art, its advantage is the present invention：
1. horizontal and tilting casting production casting are efficiently solved using bottom pouring type casting and rolling machine production pop can tank material
Blank upper and lower plates component segregation substantially and crystal grain difference problem；
2. the present invention solves the key link of influence tank material performance in terms of casting and rolling production process and Technology for Heating Processing two,
Produce the pop can material that performance indications reach hot rolling material；
3. casting and roll process has an obvious cost advantage than Hot rolling, saving can be consumed, per ton to save 800 yuan of energy and disappear
Consume cost.
Brief description of the drawings
Fig. 1 horizontals casting and roll process produces the schematic diagram of pop can tank material：
Fig. 2 tiltings casting and roll process produces the schematic diagram of pop can tank material：
Fig. 3 bottom pouring types casting and roll process produces the schematic diagram of pop can tank material：
Wherein, 1 ~ chute, 2 ~ casting nozzle, 3 ~ bearing block, 4 ~ roll, 5 ~ transition roller, 6 ~ Casting Rolled Sheet, 7 ~ scissors apparatus, 8 ~ lift
Panel assembly, 9 ~ batch；
The special magnesium metal molten stove schematic diagrames of Fig. 4；
Wherein, 11 ~ gland, 12 ~ melt magnesium room, 13 ~ support, 14 ~ heating rod, 15 ~ floss hole；
Fig. 5 is the schematic diagram that bottom pouring type casting and roll process of the present invention produces pop can tank material system.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair
Bright scope.In the examples where no specific technique or condition is specified, according to the technology or condition described by document in the art
Or carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument, are that can be obtained by buying
Conventional products.
Special magnesium metal molten stove is that special fusing magnesium ingot is used in the present invention, is used as subsequent formulation aluminum alloy chemical composition
Standby, smelting furnace is the equipment prepared aluminium alloy and the refinings such as degasification slagging-off are carried out to aluminium alloy.
Present invention discover that because magnesium metal burning-point is low, high temperature aluminium liquid heat can be utilized before configuration almag, using special
Magnalium molten metal is configured to the fusing of magnesium metal molten stove, magnalium molten metal is added in final alloy preparation, so can be big
It is big to reduce magnesium iron loss.
As shown in figure 4, aluminium liquid topples over addition from the top of gland 11, into molten magnesium room 12, magnesium ingot is melted, after melting magnesium ingot
Magnalium molten metal by the keeping temperature of heating rod 14, it is necessary in use, magnalium molten metal flows out from floss hole 15, then pass through
Converter chute is added in smelting furnace.Support 13 in Fig. 4 is used to support magnesium ingot.
Embodiment 1
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 680 ~ 690 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 680 ~ 690 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 10 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 5.5 ~ 6.0mm is produced into after casting；Described
Preceding case temperature is 700 ~ 705 DEG C, and roll is 40mm, and roll casting speed is 0.85m/min；Described degasification tank uses single turn
Son, and be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh
Ceramic filter plate；
Step（5）, step（4）It is 3.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 0.5mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 500 ~ 550 DEG C, is moved back
The fiery time is 25h；The material temperature temperature of described full annealing technique is 350 ~ 400 DEG C, and annealing time is 10h.
Embodiment 2
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 690 ~ 700 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 682 ~ 688 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 741 ~ 748 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 11 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 6.3 ~ 7.1mm is produced into after casting；Described
Preceding case temperature is 702 ~ 704 DEG C, and roll is 42mm, and roll casting speed is 0.75m/min；Described degasification tank uses single turn
Son, and be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh
Ceramic filter plate；
Step（5）, step（4）It is 5.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 1.0mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 510 ~ 540 DEG C, is moved back
The fiery time is 30h；The material temperature temperature of described full annealing technique is 360 ~ 390 DEG C, and annealing time is 15h.
Embodiment 3
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 685 ~ 695 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 684 ~ 689 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 742 ~ 745 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 9 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 6.8 ~ 7.2 is produced into after casting；Before described
Case temperature is 701 ~ 703 DEG C, and roll is 45mm, and roll casting speed is 0.8m/min；Described degasification tank uses single rotor,
And be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh ceramics
Filter；
Step（5）, step（4）It is 4.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 0.8mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 520 ~ 530 DEG C, is moved back
The fiery time is 22h；The material temperature temperature of described full annealing technique is 370 ~ 380 DEG C, and annealing time is 12h.
Embodiment 4
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 680 ~ 700 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 680 ~ 690 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 10 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 7.0 ~ 7.5 is produced into after casting；Before described
Case temperature is 700 ~ 705 DEG C, and roll is 45mm, and roll casting speed is 0.75m/min；Described degasification tank uses single turn
Son, and be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh
Ceramic filter plate；
Step（5）, step（4）It is 4.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 1.0mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 540 ~ 550 DEG C, is moved back
The fiery time is 30h；The material temperature temperature of described full annealing technique is 390 ~ 400 DEG C, and annealing time is 15h.
Embodiment 5
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 680 ~ 700 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 680 ~ 690 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 10 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 6.5 ~ 7.0mm is produced into after casting；Described
Preceding case temperature is 700 ~ 705 DEG C, and roll is 40mm, and roll casting speed is 0.8m/min；Described degasification tank uses single turn
Son, and be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh
Ceramic filter plate；
Step（5）, step（4）It is 4.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 1.0mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 530 ~ 540 DEG C, is moved back
The fiery time is 25h；The material temperature temperature of described full annealing technique is 390 ~ 400 DEG C, and annealing time is 10h.
Embodiment 6
As shown in figure 5, a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, including it is as follows
Step：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special
Added with magnesium metal molten stove top, temperature of aluminum liquid controls 680 ~ 700 DEG C, magnesium ingot be completely melt after by magnalium molten metal temperature control
System is stand-by at 680 ~ 690 DEG C；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloys
Element, is eventually adding step（1）Obtained magnalium molten metal makes its alloying, and into smelting furnace, feed liquid meets following masses percentage
The chemical composition of content：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：
≤ 0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to guarantor by aluminium liquid
Warm stove, carries out initial refining 10 minutes under an argon atmosphere after converter；
Step（4）, through step（3）Feed liquid after refining enters preceding case through stove eye outflow successively deaerated case and Rose Box,
Preceding case feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 6.0 ~ 6.4 is produced into after casting；Before described
Case temperature is 700 ~ 705 DEG C, and roll is 43mm, and roll casting speed is 0.85m/min；Described degasification tank uses single turn
Son, and be argon gas atmosphere；Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh
Ceramic filter plate；
Step（5）, step（4）It is 4.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then through cold rolling to thickness after 1.0mm, to carry out full annealing, most afterwards through cold rolling to thickness
Spend for 0.25mm, produce pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 500 ~ 510 DEG C, is moved back
The fiery time is 28h；The material temperature temperature of described full annealing technique is 350 ~ 360 DEG C, and annealing time is 15h.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. a kind of method that direct use electrolytic aluminium liquid bottom pouring type casting and roll process produces pop can tank material, comprises the following steps：
Step（1）, make magnalium molten metal：Magnesium ingot is loaded into special magnesium metal molten stove, gland is added, by aluminium liquid from special magnesium
Metal molten stove top is added, and temperature of aluminum liquid controls 680 ~ 700 DEG C, and magnesium ingot exists magnalium molten metal temperature control after being completely melt
680 ~ 690 DEG C stand-by；
Step（2）, aluminium liquid to temperature is added in smelting furnace and reaches 740 ~ 750 DEG C of progress alloy preparations, first plus other alloying elements,
It is eventually adding step（1）Obtained magnalium molten metal makes its alloying；Feed liquid meets following masses percentage composition in smelting furnace
Chemical composition：Si：≤ 0.6%, Fe：≤ 0.8%, Cu：0.05 ~ 0.25%, Mn：0.8 ~ 1.4%, Mg：0.8 ~ 1.3%, Zn：≤
0.025%, Ti≤0.1%, other elements≤0.05%, surplus is Al；
Step（3）, by step（2）Feed liquid after the completion of alloying using refining twice, and refining is finished is transferred to holding furnace by aluminium liquid,
Initial refining is carried out after converter under an argon atmosphere 9 ~ 11 minutes；
Step（4）, through step（3）Through the outflow of stove eye, deaerated case and Rose Box enter preceding case, preceding case to feed liquid after refining successively
Feed liquid injects roller gap through lip by bottom, and the Casting Rolled Sheet that thickness is 5.5 ~ 7.5mm is produced into after casting；Described preceding case
Temperature is 700 ~ 705 DEG C, and roll is 40 ~ 45mm, and roll casting speed is 0.75 ~ 0.85m/min；
Step（5）, step（4）It is 3.0 ~ 5.0mm through cold rolling to thickness to produce obtained Casting Rolled Sheet, then carries out nitrogen
The lower homogenizing annealing of protection, then after being 0.5 ~ 1.0mm through cold rolling to thickness, progress full annealing, most afterwards through cold rolling
It is 0.25mm to thickness, produces pop can tank material；Described homogenizing annealing is that under nitrogen protection, its material temperature is 500 ~ 550
DEG C, annealing time is 25 ~ 30h；The material temperature temperature of described full annealing technique is 350 ~ 400 DEG C, and annealing time is 10 ~ 15h；
Described degasification tank uses single rotor, and is argon gas atmosphere；
Described Rose Box is used and filtered twice：It is 30 mesh ceramic filter plates for the first time, second is 50 mesh ceramic filters
Plate.
2. the method that pop can tank material is directly produced with electrolytic aluminium liquid bottom pouring type casting and roll process according to claim 1, its
It is characterised by described step（4）Described casting plate thickness is 6.8 ~ 7.2mm.
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| CN106834825B (en) * | 2016-11-16 | 2018-08-31 | 广西南南铝加工有限公司 | 5182 aluminium alloys |
| CN109468554B (en) * | 2018-11-19 | 2020-12-01 | 广西柳州银海铝业股份有限公司 | Method for eliminating white spot of cold-rolled aluminum coil edge annealing |
| CN112359253A (en) * | 2020-11-09 | 2021-02-12 | 云南云铝润鑫铝业有限公司 | Production method of 5383 aluminum alloy round ingot for ship |
| CN112981188B (en) * | 2020-12-30 | 2022-05-13 | 江苏鼎胜新能源材料股份有限公司 | High-toughness aluminum material for battery external package |
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|---|---|---|---|---|
| US6165291A (en) * | 1998-07-23 | 2000-12-26 | Alcan International Limited | Process of producing aluminum fin alloy |
| JP3987814B2 (en) * | 2002-03-28 | 2007-10-10 | 株式会社神戸製鋼所 | Aluminum alloy plate for bottle cans |
| CN101318198B (en) * | 2008-07-11 | 2010-12-29 | 镇江鼎胜铝业有限公司 | Process for manufacturing casting and rolling 3004 alloy deep punching material |
| CN100586640C (en) * | 2008-07-11 | 2010-02-03 | 登电集团铝加工有限公司 | Method for directly casting and rolling electrolytic aluminium liquid for producing aluminum plate base for PS plate |
| CN102168212A (en) * | 2011-04-13 | 2011-08-31 | 河南顺源宇祥铝业科技有限公司 | Aluminium alloy lamp cap material and production method of the aluminium alloy lamp cap material |
| CN102389953A (en) * | 2011-11-21 | 2012-03-28 | 重庆捷和铝业有限公司 | Method for manufacturing 3004 casting-rolling coil blank |
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