CN109266881A - A kind of preparation process of 5083 aluminium alloy of high buckling performance - Google Patents

A kind of preparation process of 5083 aluminium alloy of high buckling performance Download PDF

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Publication number
CN109266881A
CN109266881A CN201811449714.5A CN201811449714A CN109266881A CN 109266881 A CN109266881 A CN 109266881A CN 201811449714 A CN201811449714 A CN 201811449714A CN 109266881 A CN109266881 A CN 109266881A
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aluminium alloy
plate materials
aluminum alloy
alloy plate
preparation process
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CN201811449714.5A
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Inventor
陈金生
马青梅
张义
张国文
杨直达
李玉博
金雪
郭富安
秦俊杰
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TIANJIN ZHONGWANG ALUMINIUM INDUSTRY Co Ltd
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TIANJIN ZHONGWANG ALUMINIUM INDUSTRY Co Ltd
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Priority to CN201811449714.5A priority Critical patent/CN109266881A/en
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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
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/026—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • C22F1/047—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)
  • Metal Rolling (AREA)

Abstract

The invention belongs to aluminium alloy manufacturing technology fields, it is related to a kind of preparation process of 5083 aluminium alloy of high buckling performance, 5083 aluminium alloy cast ingots are subjected to sawing and mill face, 5083 aluminium alloy cast ingots behind sawing milling face are sent into heating furnace the heating 6h at 540 DEG C and are cooled to after 500 DEG C of heat preservation 2h hot rolling of coming out of the stove again, aluminum alloy plate materials with a thickness of 10.0mm after hot rolling, finishing temperature is 320 DEG C, cold rolling will be carried out after aluminum alloy plate materials cooled to room temperature after hot rolling, aluminum alloy plate materials with a thickness of 3.0~8.0mm after cold rolling, cold processing ratio is 20~70%, aluminum alloy plate materials after cold rolling are annealed at 260~340 DEG C, annealing time is 2h, the aluminum alloy plate materials of 5083-O state are obtained after aligning, the process flow of use is simple, energy consumption Low, the product finally obtained Bending Processing performance with higher, applicable range is wide.

Description

A kind of preparation process of 5083 aluminium alloy of high buckling performance
Technical field
The invention belongs to aluminium alloy manufacturing technology fields, are related to a kind of preparation process of 5083 aluminium alloy of high buckling performance, More particularly to a kind of preparation process of 5083-O state aluminum alloy plate materials.
Background technique
Aluminium alloy is widely used in the fields such as vehicle transport, shipbuilding due to its outstanding comprehensive performance, uses In the substitution higher steel of weight, achieve the purpose that lightweight energy-saving and emission-reduction, to improve energy utilization rate.Ship cable frame The advantages of material selection 5083-O state aluminium alloy, while reducing self weight, 5083 intensity of aluminum alloy are high, corrosion resistance and good, make It has preferably performance in perishable environment peculiar to vessel.Although prior art has used 5083-O state aluminium alloy to substitute steel Material, but still continue the technology of steel manufacture cable frame, the combination manufacture ship cable frame by way of splicing, welding uses Stitching portion is easier to corrode due to current potential difference in the process, influences service life, commissure is compared plate other positions and more held It is also easy to produce formation of crack and cracking danger occurs.
Summary of the invention
In view of this, the present invention is poor in order to solve 5083-O state aluminium alloy anti-bending strength in the prior art, it can only be using spelling The problem of combination for connecing and welding manufactures ship cable frame, and stitching portion is easy to happen corrosion, provides a kind of high bending The preparation process of 5083 aluminium alloy of performance.
In order to achieve the above objectives, the present invention provides a kind of preparation process of 5083 aluminium alloy of high buckling performance, including as follows Step:
A, 5083 aluminium alloy stocks: Si:0.04~0.10%, Fe :≤0.5%, Cu are prepared according to following weight fraction ratio: ≤ 0.05%, Mn:0.3~0.5%, Mg:4.5~4.8%, Cr :≤0.1%, Zn :≤0.025%, Ti :≤0.03%, individually Impurity≤0.05%, impurity add up to≤0.15%, surplus Al, and prepared 5083 aluminium alloy stock is added in smelting furnace Melting is liquid aluminium alloy after even mixing, obtains aluminium alloy melt；
B, aluminium alloy melt is refined under the conditions of 720~740 DEG C, refining time is 20~40min, after refining Aluminium alloy melt founding be aluminium alloy cast ingot；
C, 5083 aluminium alloy cast ingots are subjected to sawing and mill face, 5083 aluminium alloy cast ingots behind sawing milling face are sent into heating furnace In heat 6~8h at 540 ± 5 DEG C and be cooled to after 500 ± 5 DEG C of heat preservation 2h hot rolling of coming out of the stove, the thickness of aluminum alloy plate materials after hot rolling again Degree is 10.0mm, and finishing temperature is 300~350 DEG C；
D, cold rolling will be carried out after the aluminum alloy plate materials cooled to room temperature after hot rolling, the thickness of aluminum alloy plate materials after cold rolling For 3.0~8.0mm, cold processing ratio is 20~70%, and the aluminum alloy plate materials after cold rolling are annealed at 260~340 DEG C, annealing Time is 2h；
E, the aluminum alloy plate materials after annealing are subjected to straightening processing in straightener；
F, the aluminum alloy plate materials after aligning are required to carry out sawing, scale, packaging according to regulation size.
Further, 5083 aluminium alloy cast ingots are formulated by following elemental constituent according to weight percent in step A: Si: 0.04~0.05%, Fe :≤0.2%, Cu :≤0.020%, Mn:0.3~0.5%, Mg:4.6~4.8%, Cr :≤0.1%, Zn :≤0.025%, Ti :≤0.02%, single impurity≤0.05%, impurity adds up to≤0.15%, surplus Al, each component Weight percent summation is 100%.
Further, heating furnace is pushing type heating furnace in step C.
Further, the cold processing ratio of aluminum alloy plate materials is 20% after cold rolling in step D, and annealing temperature is 300~340 ℃。
Further, the cold processing ratio of aluminum alloy plate materials is 36% after cold rolling in step D, and annealing temperature is 280~320 ℃。
Further, the cold processing ratio of aluminum alloy plate materials is 52% after cold rolling in step D, and annealing temperature is 280~320 ℃。
Further, the cold processing ratio of aluminum alloy plate materials is 63% after cold rolling in step D, and annealing temperature is 260~300 ℃。
Further, the cold processing ratio of aluminum alloy plate materials is 70% after cold rolling in step D, and annealing temperature is 260~300 ℃。
The beneficial effects of the present invention are:
1, the preparation process of a kind of high buckling performance 5083-O aluminium alloy disclosed in this invention, by regulating and controlling 5083 alloys Ingredient provides suitable annealing schedule for the plate of different cold processing ratios, prepares a kind of 5083-O of high buckling performance State aluminum alloy plate materials, for producing ship cable frame.Using bending and molding replace prior art in splicing, welding fabrication, Cable frame corrosion can be effectively reduced and cracking is dangerous, improve the safety coefficient in use process, and prolong the service life.
2, the preparation process of a kind of high buckling performance 5083-O aluminium alloy disclosed in this invention, the process flow letter of use List, low energy consumption, the product finally obtained Bending Processing performance with higher, applicable range are wide.
Specific embodiment
Below by a preferred embodiment of the present invention will be described in detail.
Embodiment 1
A kind of preparation process of 5083 aluminium alloy of high buckling performance, includes the following steps:
A, A, according to following weight fraction ratio prepare 5083 aluminium alloy stocks:
Element Si Fe Cu Mn Mg Cr Zn Ti Impurity Al
Content 0.046 0.194 0.012 0.398 4.618 0.051 0.023 0.019 0.05 Surplus
By prepared 5083 aluminium alloy stock be added smelting furnace in after evenly mixing melting be liquid aluminium alloy, obtain aluminium Alloy melt；
B, aluminium alloy melt is refined under the conditions of 720 DEG C, refining time 40min, by the aluminium alloy after refining Melt founding is aluminium alloy cast ingot；
C, 5083 aluminium alloy cast ingots are subjected to sawing and mill face, 5083 aluminium alloy cast ingots behind sawing milling face are sent into heating furnace In heat 6h at 540 DEG C and be cooled to after 500 DEG C of heat preservation 2h hot rolling of coming out of the stove again, after hot rolling aluminum alloy plate materials with a thickness of 10.0mm, finishing temperature are 320 DEG C；
D, cold rolling will be carried out after the aluminum alloy plate materials cooled to room temperature after hot rolling, the thickness of aluminum alloy plate materials after cold rolling For 8.0mm, cold processing ratio 20%, by the aluminum alloy plate materials after cold rolling respectively 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, It is carried out at a temperature of 180 DEG C, 200 DEG C, 220 DEG C, 240 DEG C, 260 DEG C, 280 DEG C, 300 DEG C, 320 DEG C, 340 DEG C, 360 DEG C, 380 DEG C Annealing, annealing time 2h；
E, the aluminum alloy plate materials after annealing are subjected to straightening processing in straightener；
F, the aluminum alloy plate materials after aligning are required to carry out sawing, scale, packaging according to regulation size.
Embodiment 2
Embodiment 2 the difference from embodiment 1 is that, aluminum alloy plate materials add after cold rolling with a thickness of 6.4mm, cold rolling in step D Work rate is 36%.
Embodiment 3
Embodiment 3 the difference from embodiment 1 is that, aluminum alloy plate materials add after cold rolling with a thickness of 4.8mm, cold rolling in step D Work rate is 52%.
Embodiment 4
Embodiment 4 the difference from embodiment 1 is that, aluminum alloy plate materials add after cold rolling with a thickness of 3.7mm, cold rolling in step D Work rate is 63%.
Embodiment 5
Embodiment 5 the difference from embodiment 1 is that, aluminum alloy plate materials add after cold rolling with a thickness of 4.8mm, cold rolling in step D Work rate is 70%.
Mechanical property is carried out to 5083 aluminum alloy plate materials of cold processing ratios different in Examples 1 to 5 and different annealing temperature It can test, and do 90 ° of folding tests that radius bend is 0T, test result is as shown in 1~table of table 5.
5083 aluminum alloy plate materials that 1 embodiment 1 of table provides are through different temperatures annealing 2h treated mechanical property
Table 1
5083 aluminium alloys that 2 embodiment 2 of table provides are through different temperatures annealing 2h treated mechanical property
Table 2
Annealing temperature/DEG C Tensile strength/MPa Yield strength/MPa Elongation percentage/% Whether bending cracks
100 348 281 12.4 It is
120 341 265 13.2 It is
140 337 251 15.2 It is
160 336 244 16.3 It is
180 335 237 16.3 It is
200 325 229 17.0 It is
220 321 223 17.4 It is
240 318 216 17.0 It is
260 309 178 21.5 It is
280 295 136 26.0 It is no
300 292 133 27.3 It is no
320 292 135 27.0 It is no
340 288 134 26.4 It is no
360 288 134 26.5 It is no
380 288 133 28.0 It is no
5083 aluminium alloys that 3 embodiment 3 of table provides are through different temperatures annealing 2h treated mechanical property
Table 3
Annealing temperature/DEG C Tensile strength/MPa Yield strength/MPa Elongation percentage/% Whether bending cracks
100 364 304 10.1 It is
120 360 285 10.7 It is
140 352 273 12.7 It is
160 352 261 14.0 It is
180 348 254 13.8 It is
200 341 251 14.5 It is
220 334 242 13.7 It is
240 327 229 17.0 It is
260 302 161 20.2 It is
280 294 142 27.3 It is no
300 294 141 25.8 It is no
320 294 140 26.8 It is no
340 289 140 25.6 It is no
360 288 139 26.5 It is no
380 290 142 25.6 It is no
5083 aluminium alloys that 4 embodiment 4 of table provides are through different temperatures annealing 2h treated mechanical property
Table 4
5083 aluminium alloys that 5 embodiment 5 of table provides are through different temperatures annealing 2h treated mechanical property
Table 5
Annealing temperature/DEG C Tensile strength/MPa Yield strength/MPa Elongation percentage/% Whether bending cracks
100 390 342 6.4 It is
120 384 325 9.9 It is
140 379 314 9.9 It is
160 377 303 10.5 It is
180 372 295 11.0 It is
200 362 285 11.6 It is
220 350 274 11.9 It is
240 335 246 14.2 It is
260 295 153 24.4 It is no
280 295 156 22.3 It is no
300 292 153 23.0 It is no
320 293 154 22.3 It is no
340 292 147 22.5 It is no
360 294 149 25.8 It is no
380 290 151 23.2 It is no
In actual production process, for the target capabilities of product as overriding concern factor, buckling performance has to comply with requirement, with Meet molding bending technique complicated in ship cable frame manufacturing process, without cracking；But then apparatus of load, Energy consumption, environmental friendliness are also the factor that aluminium alloy manufacturing enterprise must take into account.It has been found by contrast that 240 DEG C or less temperature The mechanics of sample and buckling performance are unqualified after degree annealing, although higher temperature annealing can make mechanics and the bending of sample Can be qualified, but its energy consumption is higher, and apparatus of load is bigger, and environmental friendliness is low, is unfavorable for the large-scale production of aluminium alloy enterprise；It is cold Roll that working modulus is bigger, critical annealing temperature needed for making sample reach qualified buckling performance is lower.Therefore, with product mechanics, folding As reference index, table 6 gives the high folding of different annealing production for curved performance, apparatus of load, energy consumption, environmental friendliness The comprehensive consideration of curved performance 5083-O state aluminium alloy is as a result, the unqualified then complete technique failure of product mechanics, buckling performance, is denoted as Difference；Mechanics, buckling performance are qualified but annealing temperature setting is unreasonable leads to that energy consumption is high, environmental friendliness is low, is denoted as；Mechanics, Buckling performance is qualified, at the same the technique that energy consumption is lower, environmental friendliness is high be it is preferred, be denoted as excellent.
6 different annealing of table produces the comprehensive consideration result of high buckling performance 5083-O aluminium alloy
Table 6
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be Various changes are made to it in form and in details, without departing from claims of the present invention limited range.

Claims (8)

1. a kind of preparation process of 5083 aluminium alloy of high buckling performance, which comprises the steps of:
A, 5083 aluminium alloy stocks: Si:0.04~0.10%, Fe :≤0.5%, Cu:< are prepared according to following weight fraction ratio 0.05%, Mn:0.3~0.5%, Mg:4.5~4.8%, Cr :≤0.1%, Zn :≤0.025%, Ti :≤0.03%, it is single miscellaneous Matter≤0.05%, impurity add up to≤0.15%, surplus Al, and prepared 5083 aluminium alloy stock is added in smelting furnace uniformly Melting is liquid aluminium alloy after mixing, obtains aluminium alloy melt；
B, aluminium alloy melt is refined under the conditions of 720~740 DEG C, refining time is 20~40min, by the aluminium after refining Alloy melt founding is aluminium alloy cast ingot；
C, 5083 aluminium alloy cast ingots are subjected to sawing and mill face, 5083 aluminium alloy cast ingots behind sawing milling face are sent into heating furnace Heat 6~8h at 540 ± 5 DEG C and be cooled to after 500 ± 5 DEG C of heat preservation 2h hot rolling of coming out of the stove again, after hot rolling aluminum alloy plate materials with a thickness of 10.0mm, finishing temperature are 300~350 DEG C；
D, cold rolling will be carried out after the aluminum alloy plate materials cooled to room temperature after hot rolling, after cold rolling aluminum alloy plate materials with a thickness of 3.0~8.0mm, cold processing ratio are 20~70%, and the aluminum alloy plate materials after cold rolling are annealed at 260~340 DEG C, when annealing Between be 2h；
E, the aluminum alloy plate materials after annealing are subjected to straightening processing in straightener；
F, the aluminum alloy plate materials after aligning are required to carry out sawing, scale, packaging according to regulation size.
2. the preparation process of high 5083 aluminium alloy of buckling performance as described in claim 1, which is characterized in that 5083 aluminium in step A Alloy cast ingot is formulated by following elemental constituent according to weight percent: Si:0.04~0.05%, Fe :≤0.2%, Cu :≤ 0.020%, Mn:0.3~0.5%, Mg:4.6~4.8%, Cr :≤0.1%, Zn :≤0.025%, Ti :≤0.02%, individually Impurity≤0.05%, impurity total≤0.15%, surplus A1, the weight percent summation of each component are 100%.
3. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 2, which is characterized in that heating furnace in step C For pushing type heating furnace.
4. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 3, which is characterized in that in step D after cold rolling The cold processing ratio of aluminum alloy plate materials is 20%, and annealing temperature is 300~340 DEG C.
5. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 3, which is characterized in that in step D after cold rolling The cold processing ratio of aluminum alloy plate materials is 36%, and annealing temperature is 280~320 DEG C.
6. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 3, which is characterized in that in step D after cold rolling The cold processing ratio of aluminum alloy plate materials is 52%, and annealing temperature is 280~320 DEG C.
7. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 3, which is characterized in that in step D after cold rolling The cold processing ratio of aluminum alloy plate materials is 63%, and annealing temperature is 260~300 DEG C.
8. the preparation process of high 5083 aluminium alloy of buckling performance as claimed in claim 3, which is characterized in that in step D after cold rolling The cold processing ratio of aluminum alloy plate materials is 70%, and annealing temperature is 260~300 DEG C.
CN201811449714.5A 2018-11-29 2018-11-29 A kind of preparation process of 5083 aluminium alloy of high buckling performance Pending CN109266881A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817372A (en) * 2019-03-20 2019-05-28 江苏裕铭铜业有限公司 A kind of copper wire good and resistant to bending for ductility in making annealing treatment
CN110042283A (en) * 2019-05-08 2019-07-23 烟台南山学院 Strong Alcoa plate preparation method in one kind
CN110952007A (en) * 2019-12-19 2020-04-03 天津忠旺铝业有限公司 Preparation process of 5083-H116-state aluminum alloy
CN111270113A (en) * 2020-03-27 2020-06-12 天津忠旺铝业有限公司 Production process of 5052 aluminum alloy plate with low earing rate
CN112430759A (en) * 2020-11-23 2021-03-02 天津忠旺铝业有限公司 Preparation process of marine 5083-H116 aluminum alloy
CN113174500A (en) * 2021-04-29 2021-07-27 郑州明泰实业有限公司 Method for improving O-state bending performance of 5083 alloy
CN113186413A (en) * 2021-04-29 2021-07-30 郑州明泰实业有限公司 Preparation method of 5083-O-state battery case side plate for new energy automobile
CN114182117A (en) * 2021-12-09 2022-03-15 东北轻合金有限责任公司 Manufacturing method of hot-rolled 5083 aluminum alloy O-state plate

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CN104475477A (en) * 2014-12-15 2015-04-01 西南铝业（集团）有限责任公司 Processing technology for marine 5083 aluminum alloy sheet
CN104561696A (en) * 2014-12-22 2015-04-29 河南明泰铝业股份有限公司 5083 aluminum alloy plate for high-speed rail and production method thereof
CN106756315A (en) * 2016-11-28 2017-05-31 广西南南铝加工有限公司 A kind of aluminum alloy plate materials preparation method
CN108251666A (en) * 2018-02-01 2018-07-06 广西南南铝加工有限公司 A kind of preparation process of super high Mg-Al alloy plate
CN108286029A (en) * 2018-03-21 2018-07-17 中南大学 The method for improving 5083 aluminum alloy plate materials corrosion resisting properties

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Publication number Priority date Publication date Assignee Title
CN104475477A (en) * 2014-12-15 2015-04-01 西南铝业（集团）有限责任公司 Processing technology for marine 5083 aluminum alloy sheet
CN104561696A (en) * 2014-12-22 2015-04-29 河南明泰铝业股份有限公司 5083 aluminum alloy plate for high-speed rail and production method thereof
CN106756315A (en) * 2016-11-28 2017-05-31 广西南南铝加工有限公司 A kind of aluminum alloy plate materials preparation method
CN108251666A (en) * 2018-02-01 2018-07-06 广西南南铝加工有限公司 A kind of preparation process of super high Mg-Al alloy plate
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817372A (en) * 2019-03-20 2019-05-28 江苏裕铭铜业有限公司 A kind of copper wire good and resistant to bending for ductility in making annealing treatment
CN110042283A (en) * 2019-05-08 2019-07-23 烟台南山学院 Strong Alcoa plate preparation method in one kind
CN110952007A (en) * 2019-12-19 2020-04-03 天津忠旺铝业有限公司 Preparation process of 5083-H116-state aluminum alloy
CN111270113A (en) * 2020-03-27 2020-06-12 天津忠旺铝业有限公司 Production process of 5052 aluminum alloy plate with low earing rate
CN111270113B (en) * 2020-03-27 2021-05-28 天津忠旺铝业有限公司 Production process of 5052 aluminum alloy plate with low earing rate
CN112430759A (en) * 2020-11-23 2021-03-02 天津忠旺铝业有限公司 Preparation process of marine 5083-H116 aluminum alloy
CN113174500A (en) * 2021-04-29 2021-07-27 郑州明泰实业有限公司 Method for improving O-state bending performance of 5083 alloy
CN113186413A (en) * 2021-04-29 2021-07-30 郑州明泰实业有限公司 Preparation method of 5083-O-state battery case side plate for new energy automobile
CN114182117A (en) * 2021-12-09 2022-03-15 东北轻合金有限责任公司 Manufacturing method of hot-rolled 5083 aluminum alloy O-state plate
CN114182117B (en) * 2021-12-09 2022-08-26 东北轻合金有限责任公司 Manufacturing method of hot-rolled 5083 aluminum alloy O-state plate

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Application publication date: 20190125