CN107523722A - A kind of 8921 aluminum alloy container paper tinsels and its production technology - Google Patents
A kind of 8921 aluminum alloy container paper tinsels and its production technology Download PDFInfo
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- CN107523722A CN107523722A CN201710790605.9A CN201710790605A CN107523722A CN 107523722 A CN107523722 A CN 107523722A CN 201710790605 A CN201710790605 A CN 201710790605A CN 107523722 A CN107523722 A CN 107523722A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The invention discloses a kind of 8921 aluminum alloy container paper tinsels and its production technology, comprise the following steps：(1) casting：Specification 6.5mm × 1750mm, roll casting speed 1.1m/min, slight center segregation do not influence on final performance；(2) cold rolling：Final thickness (40 μm~200 μm) is cold rolled to, because this alloy strength is higher, without intermediate annealing, cold rolling easily produces raw edges, the work hardening curve of this alloy, reasonable arrangement cold roling reduction and trimming passage can be grasped by testing, rolls out the product of no raw edges；(3) finished products：The annealing temperature of 8921 O, H24, H26 states is respectively 425 DEG C, 350 375 DEG C, 300 DEG C.The good intensity of 8921 aluminum alloy container paper tinsels of the invention and mouldability are that container foil product reduces thickness, cost-effective provides condition, the container foil of 3003 aluminum alloy heat rolling stocks production can be substituted, meets client to the high intensity of container foil, the requirement of high-mouldability, great surface quality.
Description
Technical field
The present invention relates to aluminium alloy industry technology field, more particularly to a kind of 8921 aluminum alloy container paper tinsels and its production work
Skill.
Background technology
The demand of global aluminum alloy container paper tinsel is probably more than annual 30 ten thousand t, and demand is also constantly increasing.Current
Major customer is in the Middle East, North America and Europe, and domestic container foil client is also being continuously increased.Wherein use the aluminium alloy of hot rolling 3003
The foil of blank production almost occupies half of the country, but its processability is general with its preferable performance.And initially with casting
8011 alloy foil specifications of rolling stock production are few, and user is few, and market constantly proposes to need the requirement for being thinned and improving intensity.Base
In this, a kind of high intensity is developed, the container alloy foil of high-mouldability has been imperative.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of 8921 aluminum alloy container paper tinsels and its production
Technique.
The present invention is achieved by the following technical solutions：A kind of 8921 aluminum alloy container paper tinsels, it is characterised in that the appearance
The chemical composition solution quality ratio of device paper tinsel is as follows：
。
One of preferred embodiment as the present invention, the chemical composition mass ratio of the container foil is：Si is that 0.1, Fe is
1.0, Cu 0.08, Mn 0.09, Mg 0.02, Cr 0.02, Zn 0.04, Ti 0.04, surplus Al.
One of preferred embodiment as the present invention, the chemical composition mass ratio of the container foil is：Si is that 0.6, Fe is
2.0, Cu 0.12, Mn 0.11, Mg 0.04, Cr 0.04, Zn 0.06, Ti 0.06, surplus Al.
One of preferred embodiment as the present invention, the chemical composition mass ratio of the container foil is：Si is that 0.35, Fe is
1.5, Cu 0.10, Mn 0.10, Mg 0.03, Cr 0.03, Zn 0.05, Ti 0.05, surplus Al.
The invention also discloses a kind of production technology of 8921 aluminum alloy container paper tinsel, it is characterised in that comprises the following steps：
(1) casting：Specification 6.5mm × 1750mm, roll casting speed 1.1m/min, slight center segregation do not have to final performance
Have an impact；
(2) cold rolling：Final thickness (40 μm~200 μm) is cold rolled to, because this alloy strength is higher, without intermediate annealing,
Cold rolling easily produces raw edges, can by test grasp this alloy work hardening curve (Fig. 2), reasonable arrangement cold roling reduction and
Trimming passage, roll out the product of no raw edges；
(3) finished products：By the annealing test at various temperature, the partial annealing curve of 8921 aluminium alloys is obtained
(Fig. 3), it can be seen that this alloy has very good heat treatment stability, pass through different annealing process, 8921-
O, the performance of H24, H26 state is adapted to the demand of different clients.The annealing temperature difference of 8921-O, H24, H26 state
For 425 DEG C, 350-375 DEG C, 300 DEG C.In addition, if rationally control annealing process, it is possible to achieve roll up partial annealing, and property greatly
Can be highly uniform.Annealing furnace batch can be so improved, the processes such as dispensing shove charge is saved, greatly improves production efficiency.
The present invention compared with prior art the advantages of be：8921 aluminum alloy container paper tinsels of the invention are the height of cast-rolling stock production
Intensity, high-mouldability, the container foil of great surface quality.8921 alloy foil casting production efficiencys are high, and cold-rolling process is simple, finished product
Stable performance after annealing is low to annealing furnace uniformity requirement, it is possible to achieve big roll-leaf annealing, to be adapted to large-scale production.8921 aluminium
The good intensity of alloy vessel paper tinsel and mouldability are that container foil product reduces thickness, cost-effective provides condition.8921 aluminium close
Golden container foil can substitute the container foil of 3003 aluminum alloy heat rolling stocks production, meet high intensity of the client to container foil, Gao Cheng
The requirement of type, great surface quality.
Brief description of the drawings
Fig. 1 present invention and 8011 and 3003 Alloy Foil performance comparison figures；
Fig. 2 is the work hardening curve figure of the present invention；
Fig. 3 is the alloy foil partial annealing curve map of the present invention.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment one：
A kind of 8921 aluminum alloy container paper tinsels, the chemical composition solution quality ratio of the container foil are as follows：
Embodiment two：
A kind of 8921 aluminum alloy container paper tinsels, the chemical composition solution quality ratio of the container foil are as follows：
Embodiment three：
A kind of 8921 aluminum alloy container paper tinsels, the chemical composition solution quality ratio of the container foil are as follows：
Example IV：
The invention also discloses a kind of production technology of 8921 aluminum alloy container paper tinsel, comprise the following steps：
(1) casting：Specification 6.5mm × 1750mm, roll casting speed 1.1m/min, slight center segregation do not have to final performance
Have an impact；
(2) cold rolling：Final thickness (40 μm~200 μm) is cold rolled to, because this alloy strength is higher, without intermediate annealing,
Cold rolling easily produces raw edges, can by test grasp this alloy work hardening curve (Fig. 3), reasonable arrangement cold roling reduction and
Trimming passage, roll out the product of no raw edges；
(3) finished products：By the annealing test at various temperature, the partial annealing curve of 8921 aluminium alloys is obtained
(Fig. 4), it can be seen that this alloy has very good heat treatment stability, pass through different annealing process, 8921-
O, the performance of H24, H26 state is adapted to the demand of different clients.The annealing temperature difference of 8921-O, H24, H26 state
For 425 DEG C, 350-375 DEG C, 300 DEG C.In addition, if rationally control annealing process, it is possible to achieve roll up partial annealing, and property greatly
Can be highly uniform.Annealing furnace batch can be so improved, the processes such as dispensing shove charge is saved, greatly improves production efficiency.
It is as shown in Figure 1 8921 Alloy Foils and 8011 and 3003 Alloy Foil performance comparisons：8921 alloy foils have higher
Finished products temperature, its surface aluminium powder is set not allow during container foil punch forming easy to fall off, therefore, it has preferable table
Face characteristic.8921 alloy foil surfaces of aluminum powdery conditions are far better than 8011 alloy foils, close to the aluminium alloy base of hot rolling 3003
Expect the foil of production.8921 alloy foil processabilities of the invention are better than 3003 aluminium alloy foil materials, to sum up 8921 aluminum alloy container
Paper tinsel is tested by client, has obtained extraordinary repercussion.Client generally believes that either intensity, mouldability or surface quality are all
It is very good, the container foil of the aluminum alloy blank of hot rolling 3003 production can be substituted completely.The Middle East, Southeast Asia, the container of Australia
Paper tinsel client receives this product quickly, starts batch and orders.For domestic correspondent, 8921 aluminum alloy container paper tinsels not only instead of into
3003 aluminum alloy container paper tinsels of mouth, and because its intensity is high, nearly all container foil product thickness all reduces 2 μm, substantially reduced
Cost.In addition, the good surface features of 8921 alloy foils avoid 8011 alloy foil punching surfaces, (napkin paper wipes inspection
Look into) greasy dirt the problem of.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of 8921 aluminum alloy container paper tinsels, it is characterised in that the chemical composition solution quality ratio of the container foil is as follows：
。
2. 8921 aluminum alloy container paper tinsel according to claim 1, it is characterised in that the chemical composition quality of the container foil
Than for：Si is 0.1, Fe 1.0, Cu 0.08, Mn 0.09, Mg 0.02, Cr 0.02, Zn 0.04, Ti 0.04, remaining
Measure as Al.
3. 8921 aluminum alloy container paper tinsel according to claim 1, it is characterised in that the chemical composition quality of the container foil
Than for：Si is 0.6, Fe 2.0, Cu 0.12, Mn 0.11, Mg 0.04, Cr 0.04, Zn 0.06, Ti 0.06, remaining
Measure as Al.
4. 8921 aluminum alloy container paper tinsel according to claim 1, it is characterised in that the chemical composition quality of the container foil
Than for：Si is 0.35, Fe 1.5, Cu 0.10, Mn 0.10, Mg 0.03, Cr 0.03, Zn 0.05, Ti 0.05,
Surplus is Al.
A kind of 5. production technology according to any 8921 described aluminum alloy container paper tinsels of claim 1-4, it is characterised in that including
Following steps：
(1) casting：Specification 6.5mm × 1750mm, roll casting speed 1.1m/min, slight center segregation do not have shadow to final performance
Ring；
(2) cold rolling：Final thickness (40 μm~200 μm) is cold rolled to, because this alloy strength is higher, without intermediate annealing, cold rolling
Raw edges is easily produced, the work hardening curve (Fig. 2) of this alloy, reasonable arrangement cold roling reduction and trimming can be grasped by testing
Passage, roll out the product of no raw edges；
(3) finished products：By the annealing test at various temperature, the partial annealing curve (Fig. 3) of 8921 aluminium alloys is obtained,
It can be seen that this alloy has very good heat treatment stability, by different annealing process, 8921-O, H24,
The performance of H26 states is adapted to the demand of different clients.The annealing temperature of 8921-O, H24, H26 state is respectively 425
℃、350-375℃、300℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790605.9A CN107523722A (en) | 2017-09-05 | 2017-09-05 | A kind of 8921 aluminum alloy container paper tinsels and its production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790605.9A CN107523722A (en) | 2017-09-05 | 2017-09-05 | A kind of 8921 aluminum alloy container paper tinsels and its production technology |
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| CN107523722A true CN107523722A (en) | 2017-12-29 |
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| CN201710790605.9A Pending CN107523722A (en) | 2017-09-05 | 2017-09-05 | A kind of 8921 aluminum alloy container paper tinsels and its production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170233856A1 (en) * | 2008-10-07 | 2017-08-17 | Arconic Inc. | Feedstock for metal foil product and method of making thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314840A (en) * | 2008-07-11 | 2008-12-03 | 镇江鼎胜铝业有限公司 | Production method for container foil |
| CN102409200A (en) * | 2011-11-15 | 2012-04-11 | 镇江鼎胜铝业股份有限公司 | Container foil material and method for manufacturing container foil |
-
2017
- 2017-09-05 CN CN201710790605.9A patent/CN107523722A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314840A (en) * | 2008-07-11 | 2008-12-03 | 镇江鼎胜铝业有限公司 | Production method for container foil |
| CN102409200A (en) * | 2011-11-15 | 2012-04-11 | 镇江鼎胜铝业股份有限公司 | Container foil material and method for manufacturing container foil |
Non-Patent Citations (1)
| Title |
|---|
| 靳林宝: "8921铝合金容器箔的开发", 《轻合金加工技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170233856A1 (en) * | 2008-10-07 | 2017-08-17 | Arconic Inc. | Feedstock for metal foil product and method of making thereof |
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Application publication date: 20171229 |
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