CN114657406A - Production method of green circulating grade-keeping 6-series high-edge-covered automobile plate - Google Patents
Production method of green circulating grade-keeping 6-series high-edge-covered automobile plate Download PDFInfo
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- CN114657406A CN114657406A CN202210124334.4A CN202210124334A CN114657406A CN 114657406 A CN114657406 A CN 114657406A CN 202210124334 A CN202210124334 A CN 202210124334A CN 114657406 A CN114657406 A CN 114657406A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 238000003723 Smelting Methods 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003801 milling Methods 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000007872 degassing Methods 0.000 claims abstract description 6
- 238000005097 cold rolling Methods 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 3
- 239000002516 radical scavenger Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009957 hemming Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002893 slag Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 230000003749 cleanliness Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22F1/043—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 of alloys with silicon as the next major constituent
-
- 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
- C22F1/047—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 of alloys with magnesium as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A production method of a green circulating grade-keeping 6-series high-edge-wrapping automobile plate comprises the following steps: the method comprises the following steps: adding the recycled high-edge 6-series automobile sheet waste into a waste treatment system for melting, and sampling and detecting chemical components after the melting is finished; step two: reducing the high element in the alloy to at least the upper limit of the process requirement by using an element remover; step three: transferring the molten aluminum melted by the waste treatment system into a smelting furnace, and carrying out alloy proportioning by the smelting furnace according to the alloy components of the 6-series high-edge-cladding automobile plate; step four: refining; step five: carrying out on-line deslagging, degassing and filtering treatment, and casting a large flat ingot; step six: milling eight surfaces of a large flat ingot; step seven: homogenizing the large flat ingot; step eight: hot rolling to a thickness of 3-10 mm, and then cold rolling to a thickness of 0.8-1.2 mm; step nine: and performing solution treatment and air cooling to room temperature to obtain a finished product. The invention can effectively carry out green recycling grade-guaranteeing use on the recovered waste automobile plates, and brings more economic and social benefits to enterprises.
Description
Technical Field
The invention belongs to the field of automobile plate production in aluminum processing industry, and particularly relates to a method for producing a green circulating grade 6-series high-edge-covered automobile plate.
Background
With the appearance of light weight and new energy automobiles, the proportion of aluminum for automobiles is more and more, most automobile host factories in China degrade used waste aluminum to die castings, and the aluminum is not effectively recycled. At present, no related technology exists in China, and the waste aluminum after the automobile sheet is used can be recycled and reused, and the newly produced automobile sheet is applied to the automobile sheet again, so that the recycled automobile sheet waste aluminum is not effectively recycled and reused in a grade-preserving manner.
Disclosure of Invention
The invention provides a production method of a green circulating grade-keeping 6-series high-edge-wrapping automobile plate, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a production method of a green circulating grade-keeping 6-series high-edge-wrapping automobile plate comprises the following steps:
the method comprises the following steps: adding the recycled high-hemming 6-series automobile sheet waste into a waste treatment system for melting, wherein the melting temperature is 690-765 ℃, and sampling and detecting chemical components after the melting is finished;
step two: according to the detection result of the chemical components in the step one, an element remover is used for reducing the high elements in the alloy to at least the upper limit of the process requirement;
step three: transferring molten aluminum melted by the waste treatment system into a smelting furnace according to a charging proportion of 60-90%;
the smelting furnace is used for carrying out alloy proportioning according to the alloy components of the 6-series high-edge-wrapping automobile plate, and the smelting temperature is 690-765 ℃;
step four: transferring the alloy liquid smelted in the step four into a heat preservation furnace for refining, wherein the refining temperature is 700-760 ℃, and the refining time is 20-90 min;
step five: carrying out online deslagging, degassing and filtering treatment, and casting a large flat ingot at the casting temperature of 680-710 ℃ and the casting speed of 45-60 mm/min;
step six: milling the large flat ingot into eight surfaces, wherein the milling amount of the large surface is 10-25 mm, and the milling amount of the small surface is 3-15 mm;
step seven: homogenizing the large flat ingot, wherein the homogenizing temperature is 530-580 ℃, and the heat preservation time is 3-20 h;
step eight: opening the furnace for rolling when the heating furnace is heated to 520 ℃, performing hot rolling at the final rolling temperature of 360-430 ℃ to obtain a final thickness of 3-10 mm, and then performing cold rolling to 0.8-1.2 mm;
step nine: and carrying out solution treatment for 10-55 s at the temperature of 530-560 ℃, and air-cooling to room temperature to obtain a finished product.
The production method of the green cycle grade 6-series high-edge-wrapping automobile plate is characterized in that the element content in the step two is defined as follows: 0-0.80% of Si; 0-0.35% of Fe; 0-0.12% of Cu; 0-0.25% of Mn; 0-0.85% of Mg; 0-0.05% of Cr; 0-0.05% of Zn; 0 to 0.05 percent of Ti.
The production method of the green cycle grade 6-series high-edge covering automobile plate comprises the following steps:
in the method for producing the green recycling grade 6 series high-edge-covered automobile sheet, the element scavenger in the second step is added with the high-melting-point element scavenger firstly and then added with the low-melting-point element scavenger.
According to the method for producing the green recycling grade 6 series high-edge-covering automobile plate, in the second step, the element scavenger is required to be added once every time the waste aluminum is added by the waste material treatment system, and the adding amount of the element scavenger is determined according to the detection content condition of each element of the batch of waste aluminum.
According to the production method of the green cycle grade 6 series high-clad automobile plate, the alloy components of the 6 series high-clad automobile plate in the third step comprise the following substances in percentage by weight: 0.30-0.80% of Si; 0.10-0.35% of Fe; 0.03-0.12% of Cu; 0.08-0.25% of Mn; 0.40-0.85% of Mg; 0.01-0.05% of Cr; 0.01-0.15% of Zn; 0.02 to 0.15 percent of Ti.
The invention has the advantages that: the invention recycles the high-edge scrap aluminum recovered by the main engine plant, the traditional production process directly adds the recovered high-edge scrap aluminum into the smelting furnace, and the production process classifies the recovered 6-series high-edge alloy for use. Then the waste material treatment system is used for removing impurities or reducing elements, so that the alloy components meet the requirements of the proposed production process, and then the alloy components are produced in a converter to a smelting furnace, namely smelting, refining, online degassing and deslagging, filtering, casting, hot rolling, cold rolling and continuous annealing. The recovered high scrap-covered automobile plates are produced according to 60%, 90% and 90% of the recovered waste and 10% of self-produced waste aluminum of the charging amount. All indexes of the produced new automobile plate meet the use requirements of a host factory. The recovered waste automobile plates can be effectively recycled and used in a green and recycling manner, and more economic and social benefits are brought to enterprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a performance test report for example 1 of the present invention;
FIG. 2 is a report of the performance test of example 2 of the present invention;
fig. 3 is a performance test report of embodiment 3 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example 1
1.1 adding the recycled high-edge-covering 6-series automobile sheet waste into a waste treatment system at 750 ℃ for melting, wherein the mass ratio of the chemical components detected after melting is as follows: 0.75% of Si; 0.28 percent of Fe; 0.09% of Cu; 0.20 percent of Mn; 0.62 percent of Mg; 0.039% of Cr; 0.027% Zn; 0.02 percent of Ti.
1.2 adding the qualified recycled aluminum water in the waste treatment system into a 750 ℃ smelting furnace according to the charging amount of 60 percent and melting the recycled aluminum water together with electrolytic aluminum water, a re-melted ingot and an intermediate alloy in a proportion of 40 percent. And an electromagnetic stirrer is used to achieve the uniformity of chemical components in the smelting furnace. The chemical components in mass ratio are as follows: 0.40 percent of Si; 0.20 percent of Fe; 0.07% of Cu; 0.17% of Mn; 0.52 percent of Mg; 0.045% of Cr; 0.035% of Zn; ti, 0.022%.
1.3, transferring the molten aluminum in the smelting furnace to a 745 ℃ heat preservation furnace for refining for 45 minutes, and carrying out online deslagging, degassing and filtering treatment.
1.3.1 slag content
1.3.2 the slag content is one of indexes for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements.
1.4 casting machine casting was carried out at a casting temperature of 690 ℃ and a speed of 48 mm/min.
1.5 milling the large surface of the large flat ingot by 20mm, milling the small surface by 5mm, preserving the heat for 5 hours at 540 ℃ in a heating furnace, opening the furnace for rolling at 520 ℃, and performing hot rolling at the final rolling temperature of 380 ℃ to obtain the large flat ingot with the thickness of 6.0 mm.
1.6, the thickness of the cold-rolled finished product is 0.95mm, the solution treatment is carried out for 52s at the temperature of 540 ℃, and the finished product is obtained after air cooling to the room temperature.
Example 2
2.1 adding the recycled high-edge-covering 6-series automobile sheet waste into a waste treatment system at 750 ℃ for melting, wherein the mass ratio of the chemical components detected after melting is as follows: si, 0.73%; 0.26 percent of Fe; 0.093% of Cu; 0.20 percent of Mn; 0.63% of Mg; 0.038% of Cr; 0.027% Zn; ti, 0.022%.
2.2 adding the molten recycled aluminum water in the waste treatment system into a 755 ℃ smelting furnace according to 90 percent of charging amount and melting the molten recycled aluminum water, the remelted ingot and the master alloy together with 10 percent of electrolytic aluminum water. And an electromagnetic stirrer is used to achieve the uniformity of chemical components in the smelting furnace. The chemical components in mass ratio are as follows: si, 0.55%; 0.28 percent of Fe; 0.09% of Cu; 0.18 percent of Mn; 0.72% of Mg; 0.040 percent of Cr; 0.035% of Zn; ti, 0.023%
2.3, the molten aluminum in the smelting furnace is transferred to a temperature-keeping furnace at 745 ℃ for refining for 50 minutes, and the slag is removed, the gas is removed and the filtration treatment is carried out on line.
2.3.1 slag content
2.3.2 the slag content is one of the standards for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements.
2.4 casting machine casting was carried out at a casting temperature of 693 ℃ and a speed of 53 mm/min.
2.5 milling the large surface of the large flat ingot by 20mm, milling the small surface by 5mm, preserving the heat for 6 hours at 540 ℃ in a heating furnace, opening the furnace for rolling at 520 ℃, and performing hot rolling at the final rolling temperature of 400 ℃ to obtain the large flat ingot with the thickness of 6.0 mm.
2.6 the thickness of the cold-rolled finished product is 1.0mm, the solution treatment is carried out for 47s at the temperature of 550 ℃, and the finished product is obtained after air cooling to the room temperature.
Example 3
3.1 adding the recycled high-edge-covering 6-series automobile sheet waste into a waste treatment system at 750 ℃ for melting, wherein the mass ratio of the chemical components detected after melting is as follows: si, 0.74%; 0.27% of Fe; 0.095% of Cu; 0.18 percent of Mn; 0.67% of Mg; 0.042% of Cr; 0.030% of Zn; 0.020% of Ti.
3.2 adding the molten recycled aluminum water in the waste treatment system into a 755 ℃ smelting furnace according to the charging amount of 90 percent and melting the molten recycled aluminum water together with 10 percent of other alloy self-produced waste. And an electromagnetic stirrer is used to achieve the uniformity of chemical components in the smelting furnace. The chemical components in mass ratio are as follows: 0.75 percent of Si; 0.21 percent of Fe; 0.11 percent of Cu; 0.20 percent of Mn; mg, 0.81%; 0.045% of Cr; 0.038% of Zn; ti, 0.021%.
3.3, transferring the molten aluminum in the smelting furnace to a 745 ℃ heat preservation furnace for refining for 75 minutes, and carrying out online deslagging, degassing and filtering treatment.
3.3.1 slag content
3.3.2 the slag content is one of the standards for measuring the quality and cleanliness of the melt, and the actual detection meets the process requirements.
3.4 casting machine casting was carried out at a casting temperature of 698 ℃ and a speed of 58 mm/min.
3.5 milling the large surface of the large flat ingot by 20mm, milling the small surface by 5mm, preserving the heat for 8 hours at 540 ℃ in a heating furnace, opening the furnace for rolling at 520 ℃, and performing hot rolling at the final rolling temperature of 420 ℃ to obtain the large flat ingot with the thickness of 6.5 mm.
3.6 the thickness of the cold-rolled finished product is 1.1mm, the solution treatment is carried out for 45s at the temperature of 565 ℃, and the finished product is obtained after air cooling to the room temperature.
As can be seen from the graphs in FIGS. 1 to 3, the performances of the finished products prepared in the examples 1 to 3 reach the standard, the invention realizes the purpose of recycling the automobile plate scrap aluminum of the 6-series high-clad alloy, improves the cleanliness of the aluminum liquid through a smelting process, produces the recycled automobile plate scrap according to 60%, 90% and 90% of recycled waste materials and 10% of self-produced scrap aluminum, and recycles the scrap aluminum for grade protection.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A production method of a green circulating grade-keeping 6-series high-edge-covering automobile plate is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: adding the recycled high-hemming 6-series automobile sheet waste into a waste treatment system for melting, wherein the melting temperature is 690-765 ℃, and sampling and detecting chemical components after the melting is finished;
step two: according to the detection result of the chemical components in the step one, an element remover is used for reducing the high elements in the alloy to at least the upper limit of the process requirement;
step three: transferring molten aluminum melted by the waste treatment system into a smelting furnace according to a charging proportion of 60-90%, wherein the smelting furnace carries out alloy proportioning according to alloy components of a 6-series high-edge automobile plate, and the smelting temperature is 690-765 ℃;
step four: transferring the alloy liquid smelted in the step four into a heat preservation furnace for refining, wherein the refining temperature is 700-760 ℃, and the refining time is 20-90 min;
step five: carrying out online deslagging, degassing and filtering treatment, and casting a large flat ingot at the casting temperature of 680-710 ℃ and the casting speed of 45-60 mm/min;
step six: milling the large slab ingot into eight surfaces, wherein the milling amount of the large surface is 10-25 mm, and the milling amount of the small surface is 3-15 mm;
step seven: homogenizing the large flat ingot, wherein the homogenizing temperature is 530-580 ℃, and the heat preservation time is 3-20 h;
step eight: opening the furnace for rolling when the heating furnace is heated to 520 ℃, performing hot rolling at the final rolling temperature of 360-430 ℃ to obtain a final thickness of 3-10 mm, and then performing cold rolling to 0.8-1.2 mm;
step nine: and carrying out solution treatment at the temperature of 530-560 ℃ for 10-55 s, and air cooling to room temperature to obtain a finished product.
2. The method for producing the green circulating guaranteed-class 6-series high-edge-covered automobile plate according to claim 1, wherein the method comprises the following steps: in the second step, the content of each element is limited to 0-0.80% of Si; 0-0.35% of Fe; 0-0.12% of Cu; 0-0.25% of Mn; 0-0.85% of Mg; 0-0.05% of Cr; 0-0.05% of Zn; 0 to 0.05 percent of Ti.
3. The method for producing the green cycle grade 6-series high-edge-covered automobile plate according to claim 1, wherein the method comprises the following steps: in the second step, the element scavenger is used in the sequence that the high-melting-point element scavenger is added first and then the low-melting-point element scavenger is added.
4. The method for producing the green cycle grade 6-series high-edge-covered automobile plate according to claim 1, wherein the method comprises the following steps: and in the second step, the element scavenger is required to be added once when the waste aluminum is added once by the waste treatment system, and the adding amount of the element scavenger is determined according to the detection content condition of each element of the batch of waste aluminum.
5. The method for producing the green circulating guaranteed-class 6-series high-edge-covered automobile plate according to claim 1, wherein the method comprises the following steps: the alloy components of the 6-series high-edge-covered automobile plate in the third step comprise the following substances in percentage by weight: 0.30-0.80% of Si; 0.10-0.35% of Fe; 0.03-0.12% of Cu; 0.08-0.25% of Mn; 0.40-0.85% of Mg; 0.01-0.05% of Cr; 0.01-0.15% of Zn; 0.02 to 0.15 percent of Ti.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1433866A2 (en) * | 2002-12-23 | 2004-06-30 | Alcoa Inc. | Crash resistant aluminium alloy sheet products and method of making same |
| CN103180471A (en) * | 2010-11-05 | 2013-06-26 | 阿莱利斯铝业迪弗尔私人有限公司 | Method of manufacturing a structural automotive part made from a rolled Al-Zn alloy |
| AU2013203144A1 (en) * | 2012-03-07 | 2013-09-26 | Alcoa Inc. | Improved aluminum-lithium alloys, and methods for producing the same |
| CN103740947A (en) * | 2014-01-02 | 2014-04-23 | 常熟理工学院 | Method for removing iron and silicon impurities during regeneration of aluminum scraps |
| CN111440970A (en) * | 2020-04-21 | 2020-07-24 | 天津忠旺铝业有限公司 | 6-series aluminum alloy plate for automobile body outer plate and preparation method thereof |
-
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- 2022-02-10 CN CN202210124334.4A patent/CN114657406A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1433866A2 (en) * | 2002-12-23 | 2004-06-30 | Alcoa Inc. | Crash resistant aluminium alloy sheet products and method of making same |
| CN103180471A (en) * | 2010-11-05 | 2013-06-26 | 阿莱利斯铝业迪弗尔私人有限公司 | Method of manufacturing a structural automotive part made from a rolled Al-Zn alloy |
| AU2013203144A1 (en) * | 2012-03-07 | 2013-09-26 | Alcoa Inc. | Improved aluminum-lithium alloys, and methods for producing the same |
| CN103740947A (en) * | 2014-01-02 | 2014-04-23 | 常熟理工学院 | Method for removing iron and silicon impurities during regeneration of aluminum scraps |
| CN111440970A (en) * | 2020-04-21 | 2020-07-24 | 天津忠旺铝业有限公司 | 6-series aluminum alloy plate for automobile body outer plate and preparation method thereof |
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