CN105755334A - Aluminum foil used for 6811 alloy automotive radiator and preparing method thereof - Google Patents
Aluminum foil used for 6811 alloy automotive radiator and preparing method thereof Download PDFInfo
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- CN105755334A CN105755334A CN201610185258.2A CN201610185258A CN105755334A CN 105755334 A CN105755334 A CN 105755334A CN 201610185258 A CN201610185258 A CN 201610185258A CN 105755334 A CN105755334 A CN 105755334A
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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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
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
- C22F1/053—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 zinc as the next major constituent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
Abstract
The invention discloses aluminum foil used for a 6811 alloy automotive radiator and a preparing method thereof. The aluminum foil comprises, by weight, 0.45%-0.55% of iron, 1.05%-1.25% of manganese, 0.44%-0.58% of silicon, 0.01%-0.05% of magnesium, 0.10%-0.15% of copper and 1.4%-1.6% of zinc, the weight percentage of titanium, the weight percentage of nickel, the weight percentage of chromium and the weight percentage of zirconium are smaller than 0.045%, the content of unavoidable single impurity is smaller than 0.05%, the total content of unavoidable impurities is smaller than 0.15%, and the balance aluminum. The process is simple, energy is saved, and the yield is higher than that of hot rolling by 15%; a researched and developed product is low in cost, good in plate shape, excellent in welding performance and conducting performance, and stable in quality and performance when used by users.
Description
Technical field
The invention belongs to Aluminum Plate and Strip processing technique field, relate to a kind of 6811 alloy automobile radiator aluminium foils and preparation method thereof.
Background technology
6811 alloys are mainly used in processing automobile radiators aluminium foil, and producer produces mainly through hot rolling blank both at home and abroad at present.Its traditional handicraft is: melting-semi-continuous casting-sawing ingot casting end to end-homogenizing annealing-milling face-heating-hot rolling-crop truncates-roll-hot rolled coil.The shortcoming of this traditional handicraft: energy consumption is high, yield rate is low, cost is high, template is wayward.
Owing to 6811 alloys containing higher manganese and zinc, roll casting sheet is in strip casting process, the two-phase section scope being made up of solid phase and liquid phase strengthens, make 6811 alloys will within the scope of about 5cm roll casting zone, complete crystallization within 2～3 seconds and rolling is extremely difficult, there is not yet employing continuous casting on casting and rolling machine inside and outside native land and produce 6811 alloy Casting Rolled Sheets.
Summary of the invention
It is an object of the invention to overcome the defect existed in prior art, a kind of 6811 alloy automobile radiator aluminium foils and preparation method thereof are provided, Aluminum sheets corrosion resistance is good, antirust, corrosion protection ability is strong, and the glacing flatness of Aluminum sheets is less than 3I, Aluminum sheets outer surface flat smooth, brightness is high, and reflectance is big, good heat-insulation effect.
For achieving the above object, technical scheme provides a kind of 6811 alloy automobile radiator aluminium foils, its chemical composition and percentage by weight be: ferrum: 0.45% ~ 0.55%, manganese: 1.05% ~ 1.25%, silicon: 0.44% ~ 0.58%, magnesium: 0.01% ~ 0.05%, titanium: < 0.045%, copper: 0.10% ~ 0.15%, zinc: 1.40% ~ 1.60%, nickel: < 0.045%, chromium: < 0.045%；Zirconium: < 0.045%, can not remove the single content < 0.05% of impurity, can not remove impurity and add up to content < 0.15%, and all the other compositions are aluminum.
By alloying component proportion research, the basis of 3003 alloys increases alloying element zinc, and have selected suitable iron silicon ratio, determine Al-Zn-Mn alloy system, product selects the proportioning of suitable Fe, Si, Mn, increases the workability energy of alloy, is simultaneously introduced Zn element and increases again the tensile strength of alloy material, welding performance and heat conductivility, add its exchange capability of heat and material is heated anti-softening deformability, thus meeting the technical property requirements of this kind of vehicle radiating fin.
In addition the preparation method that the present invention also provides for a kind of 6811 alloy automobile radiator aluminium foils, described preparation method includes:
S1: melting；Ferrum during melting, copper, manganese element adds with content 75% intermediate alloy, the instant silicon that silicon reaches 90% with content adds, zinc element adds when melt temperature reaches 720 DEG C with simple metal, by electromagnetic agitation 20 minutes, make alloying component homogenization, injection refining 20 minutes after body of heater importing holding furnace, hydrogen in alloy solution is removed by Alpur type getter before casting, make hydrogen content≤15ml/100gAL, impurity in alloy solution is removed by double medium filtration case, after adding grain refiner, alloy solution is imported in the front case that can control liquid level, case liquid level 16 ± 1mm before keeping, alloy solution carries out casting in the entrance casting and rolling machine that detours in front bottom portion；
S2: casting, casting temperature is set as 698 ± 5 DEG C, recirculated cooling water, cooling water flow 80-100t/h, pressure 4-5kg/cm2 it is connected with in Casting Roller, inflow temperature≤30 DEG C, roll casting zone is 60-65mm, and roll-force is 800-1000KN, and roll casting speed is 0.78m/min-0.85m/min, Casting Roller gap is 4.8-4.9mm, and casting sheet metal thickness is 7 ± 0.2mm；
S3: the first is cold rolling；Cold rolling through five passages by cold-rolling mill, respectively it is cold rolled to 5.0mm → be cold rolled to 3.5mm → be cold rolled to 2.5mm → be cold rolled to 1.7mm and obtains cold rolling blank；
S4: the first intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal,
That is, furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, and after material temperature observed temperature reaches 450 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 450 DEG C of insulations；
S5: the second is cold rolling: carries out trimming after being cold rolled to 0.66mm, and during trimming, rotary cutter edge outlet side increases by two road air curtains and carries out trimming chip purging, is again cold rolled to 0.36mm after trimming；
S6: oil removing: in the end the rear of one cold roll arranges a pair squeeze roll for being struck off by cold-reduced sheet surface treatment oil, extracting the purging injection spray pipe that mixed rear is arranged to cold-reduced sheet surface residual technical oil carries out be atomized, be provided with, purging injection spray pipe rear, the negative-pressure adsorption casing that the mist of oil of atomization is carried out to be aspirated；
S7: paper tinsel rolls: adopt 25～30% pass reductions to divide 3 passage paper tinsel roll process 0.36mm → 0.22mm → 0.135mm；
S8: the second intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal, i.e. furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, after material temperature observed temperature reaches 380 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 380 DEG C of insulations, and after second time annealing, paper tinsel is rolled to 0.06mm again；
S9: finishing: the paper tinsel rolling stock after being rolled by paper tinsel, rectifys through stretch bending and cleans volume outside dimension and the shape that aligning bundling one-tenth needs, and the glacing flatness of production board band is less than 3I；
S10: finished product inspection, packaging
Initiating and produce Al-Zn-Mn alloy automobile radiator sheet aluminum foil stock with continuous-casting continuous-rolling method, this technology makes aluminium sheet strip and foil production technology be greatly simplified, and the production cycle shortens, and small investment, floor space are little, construction speed block, production cost are low.
The research and development of high-efficiency aluminum cleaning molten treatment technology: control adding method and the order of smelting temperature and alloying element, adopt permanent magnetic stirring technology, state-of-the-art ALPur scavenging and dual pathways double-stage filtering purification techniques, provide high-quality melt for this product；
Casting-rolling technology is most basic, the most crucial technology producing Al-Zn-Mn alloy automobile fin aluminium foil, coordinate the relation between the parameters such as roll, casting temperature, roll casting speed, front case liquid height, intensity of cooling, it is ensured that the production of product quality and continuous-stable；
Designed by intermediate annealing process, eliminate the flow harden produced in cold deformation process, make material obtain perfect recrystallization tissue, improve plasticity and be beneficial to foil rolling and meet foil finished product mechanical property and welding performance requirement；
Adopt cold wind purging technology, effectively reduce the hole defect that aluminium foil surface causes because of metal fragment press-in;
Adopt novel de-oiling technique, remove the technical oil of cold-reduced sheet remained on surface, facilitate following process, it is ensured that product quality.
Prolong technological design by paper tinsel roll compacting, solve because aluminum foil finished product surface roughness is inadequate, template is bad, easily because the reason such as staggered floor, loose winding produces waste product in cutting process, thus affecting the problems such as consumer products lumber recovery.
Advantages of the present invention and having the beneficial effects that: technique is simple, saves the energy, and lumber recovery improves 15% than hot rolling；The product of research and development, cost is low, plate shape is good, welding performance and excellent thermal conductivity, uses through user, quality and stable performance.
Detailed description of the invention
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
A kind of 6811 alloy automobile radiator aluminium foils, its chemical composition and percentage by weight be: ferrum: 0.45% ~ 0.55%, manganese: 1.05% ~ 1.25%, silicon: 0.44% ~ 0.58%, magnesium: 0.01% ~ 0.05%, titanium: < 0.045%, copper: 0.10% ~ 0.15%, zinc: 1.40% ~ 1.60%, nickel: < 0.045%, chromium: < 0.045%；Zirconium: < 0.045%, can not remove the single content < 0.05% of impurity, can not remove impurity and add up to content < 0.15%, and all the other compositions are aluminum.
By alloying component proportion research, the basis of 3003 alloys increases alloying element zinc, and have selected suitable iron silicon ratio, determine Al-Zn-Mn alloy system, product selects the proportioning of suitable Fe, Si, Mn, increases the workability energy of alloy, is simultaneously introduced Zn element and increases again the tensile strength of alloy material, welding performance and heat conductivility, add its exchange capability of heat and material is heated anti-softening deformability, thus meeting the technical property requirements of this kind of vehicle radiating fin.
In addition the preparation method that the present invention also provides for a kind of 6811 alloy automobile radiator aluminium foils, described preparation method includes:
S1: melting；Ferrum during melting, copper, manganese element adds with content 75% intermediate alloy, the instant silicon that silicon reaches 90% with content adds, zinc element adds when melt temperature reaches 720 DEG C with simple metal, by electromagnetic agitation 20 minutes, make alloying component homogenization, injection refining 20 minutes after body of heater importing holding furnace, hydrogen in alloy solution is removed by Alpur type getter before casting, make hydrogen content≤15ml/100gAL, impurity in alloy solution is removed by double medium filtration case, after adding grain refiner, alloy solution is imported in the front case that can control liquid level, case liquid level 16 ± 1mm before keeping, alloy solution carries out casting in the entrance casting and rolling machine that detours in front bottom portion；
S2: casting, casting temperature is set as 698 ± 5 DEG C, recirculated cooling water, cooling water flow 80-100t/h, pressure 4-5kg/cm2 it is connected with in Casting Roller, inflow temperature≤30 DEG C, roll casting zone is 60-65mm, and roll-force is 800-1000KN, and roll casting speed is 0.78m/min-0.85m/min, Casting Roller gap is 4.8-4.9mm, and casting sheet metal thickness is 7 ± 0.2mm；
S3: the first is cold rolling；Cold rolling through five passages by cold-rolling mill, respectively it is cold rolled to 5.0mm → be cold rolled to 3.5mm → be cold rolled to 2.5mm → be cold rolled to 1.7mm and obtains cold rolling blank；
S4: the first intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal,
That is, furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, and after material temperature observed temperature reaches 450 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 450 DEG C of insulations；
S5: the second is cold rolling: carries out trimming after being cold rolled to 0.66mm, and during trimming, rotary cutter edge outlet side increases by two road air curtains and carries out trimming chip purging, is again cold rolled to 0.36mm after trimming；
S6: oil removing: in the end the rear of one cold roll arranges a pair squeeze roll for being struck off by cold-reduced sheet surface treatment oil, extracting the purging injection spray pipe that mixed rear is arranged to cold-reduced sheet surface residual technical oil carries out be atomized, be provided with, purging injection spray pipe rear, the negative-pressure adsorption casing that the mist of oil of atomization is carried out to be aspirated；
S7: paper tinsel rolls: adopt 25～30% pass reductions to divide 3 passage paper tinsel roll process 0.36mm → 0.22mm → 0.135mm；
S8: the second intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal, i.e. furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, after material temperature observed temperature reaches 380 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 380 DEG C of insulations, and after second time annealing, paper tinsel is rolled to 0.06mm again；
S9: finishing: the paper tinsel rolling stock after being rolled by paper tinsel, rectifys through stretch bending and cleans volume outside dimension and the shape that aligning bundling one-tenth needs, and the glacing flatness of production board band is less than 3I；
S10: finished product inspection, packaging
Initiating and produce Al-Zn-Mn alloy automobile radiator sheet aluminum foil stock with continuous-casting continuous-rolling method, this technology makes aluminium sheet strip and foil production technology be greatly simplified, and the production cycle shortens, and small investment, floor space are little, construction speed block, production cost are low
The research and development of high-efficiency aluminum cleaning molten treatment technology: control adding method and the order of smelting temperature and alloying element, adopt permanent magnetic stirring technology, state-of-the-art ALPur scavenging and dual pathways double-stage filtering purification techniques, provide high-quality melt for this product；
Casting-rolling technology is most basic, the most crucial technology producing Al-Zn-Mn alloy automobile fin aluminium foil, coordinate the relation between the parameters such as roll, casting temperature, roll casting speed, front case liquid height, intensity of cooling, it is ensured that the production of product quality and continuous-stable；
Designed by intermediate annealing process, eliminate the flow harden produced in cold deformation process, make material obtain perfect recrystallization tissue, improve plasticity and be beneficial to foil rolling and meet foil finished product mechanical property and welding performance requirement；
Adopt cold wind purging technology, effectively reduce the hole defect that aluminium foil surface causes because of metal fragment press-in;
Adopt novel de-oiling technique, remove the technical oil of cold-reduced sheet remained on surface, facilitate following process, it is ensured that product quality.
Prolong technological design by paper tinsel roll compacting, solve because aluminum foil finished product surface roughness is inadequate, template is bad, easily because the reason such as staggered floor, loose winding produces waste product in cutting process, thus affecting the problems such as consumer products lumber recovery.
Plate property index:
With plate difference≤0.035mm, convexity 0.8-1.2%, longitudinally one week plate difference≤0.1mm；
Hydrogen content≤0.15ml/100gAl；
Grain size: 1 grade；
Tensile strength: 180～220Mpa；
Elongation percentage: >=0.5%.
Welding performance: be better than 3003 alloys.
Main economic and technical indices:
Lumber recovery improves 15% than hot rolling；
Processing charges per ton are lower 1000 yuan than Hot rolling；
Good plate cut, thickness are uniform, good processability.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (2)
1. an alloy automobile radiator aluminium foil, it is characterized in that, its chemical composition and percentage by weight be: ferrum: 0.45% ~ 0.55%, manganese: 1.05% ~ 1.25%, silicon: 0.44% ~ 0.58%, magnesium: 0.01% ~ 0.05%, titanium: < 0.045%, copper: 0.10% ~ 0.15%, zinc: 1.40% ~ 1.60%, nickel: < 0.045%, chromium: < 0.045%；Zirconium: < 0.045%, can not remove the single content < 0.05% of impurity, can not remove impurity and add up to content < 0.15%, and all the other compositions are aluminum.
2. the preparation method of 6811 alloy automobile radiator aluminium foils as claimed in claim 1, it is characterised in that: described preparation method includes:
S1: melting；Ferrum during melting, copper, manganese element adds with content 75% intermediate alloy, the instant silicon that silicon reaches 90% with content adds, zinc element adds when melt temperature reaches 720 DEG C with simple metal, by electromagnetic agitation 20 minutes, make alloying component homogenization, injection refining 20 minutes after body of heater importing holding furnace, hydrogen in alloy solution is removed by Alpur type getter before casting, make hydrogen content≤15ml/100gAL, impurity in alloy solution is removed by double medium filtration case, after adding grain refiner, alloy solution is imported in the front case that can control liquid level, case liquid level 16 ± 1mm before keeping, alloy solution carries out casting in the entrance casting and rolling machine that detours in front bottom portion；
S2: casting, casting temperature is set as 698 ± 5 DEG C, recirculated cooling water, cooling water flow 80-100t/h, pressure 4-5kg/cm2 it is connected with in Casting Roller, inflow temperature≤30 DEG C, roll casting zone is 60-65mm, and roll-force is 800-1000KN, and roll casting speed is 0.78m/min-0.85m/min, Casting Roller gap is 4.8-4.9mm, and casting sheet metal thickness is 7 ± 0.2mm；
S3: the first is cold rolling；Cold rolling through five passages by cold-rolling mill, respectively it is cold rolled to 5.0mm → be cold rolled to 3.5mm → be cold rolled to 2.5mm → be cold rolled to 1.7mm and obtains cold rolling blank；
S4: the first intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal,
That is, furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, and after material temperature observed temperature reaches 450 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 450 DEG C of insulations；
S5: the second is cold rolling: carries out trimming after being cold rolled to 0.66mm, and during trimming, rotary cutter edge outlet side increases by two road air curtains and carries out trimming chip purging, is again cold rolled to 0.36mm after trimming；
S6: oil removing: in the end the rear of one cold roll arranges a pair squeeze roll for being struck off by cold-reduced sheet surface treatment oil, extracting the purging injection spray pipe that mixed rear is arranged to cold-reduced sheet surface residual technical oil carries out be atomized, be provided with, purging injection spray pipe rear, the negative-pressure adsorption casing that the mist of oil of atomization is carried out to be aspirated；
S7: paper tinsel rolls: adopt 25～30% pass reductions to divide 3 passage paper tinsel roll process 0.36mm → 0.22mm → 0.135mm；
S8: the second intermediate annealing: adopt furnace gas temperature control method and actual measurement material temperature mode to anneal, i.e. furnace temperature≤100 DEG C shove charge, furnace temperature is warmed up to 550 DEG C, after material temperature observed temperature reaches 380 DEG C, furnace temperature cools to 1.5 hours air coolings of coming out of the stove of 380 DEG C of insulations, and after second time annealing, paper tinsel is rolled to 0.06mm again；
S9: finishing: the paper tinsel rolling stock after being rolled by paper tinsel, rectifys through stretch bending and cleans volume outside dimension and the shape that aligning bundling one-tenth needs, and the glacing flatness of production board band is less than 3I；
S10: finished product inspection, packaging.
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Cited By (8)
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| CN106269964A (en) * | 2016-11-17 | 2017-01-04 | 洛阳万基铝加工有限公司 | A kind of Aluminum sheets processing technique |
| CN107312952A (en) * | 2017-05-17 | 2017-11-03 | 江阴新仁铝业科技有限公司 | A kind of high air-heater bar formula radiating is around fin aluminium strip and preparation method thereof |
| CN107312953A (en) * | 2017-06-07 | 2017-11-03 | 烟台南山学院 | A kind of ultra-thin double-zero aluminum foil and preparation method thereof |
| CN108441711A (en) * | 2018-03-06 | 2018-08-24 | 淮北富士特铝业有限公司 | A kind of anticorrosion aluminium ally section and its production technology |
| CN110983126A (en) * | 2020-01-10 | 2020-04-10 | 广西百矿润泰铝业有限公司 | Preparation method of 5754 alloy aluminum plate for automobile |
| CN111607722A (en) * | 2020-07-09 | 2020-09-01 | 包头常铝北方铝业有限责任公司 | Aluminum foil for air conditioner and preparation method thereof |
| CN112322920A (en) * | 2020-11-17 | 2021-02-05 | 四川阳光坚端铝业有限公司 | Aluminum alloy casting production method |
| CN114318081A (en) * | 2021-12-31 | 2022-04-12 | 镇江龙源铝业有限公司 | Self-brazing aluminum alloy foil and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269964B (en) * | 2016-11-17 | 2018-01-30 | 洛阳万基铝加工有限公司 | A kind of Aluminum sheets processing technology |
| CN106269964A (en) * | 2016-11-17 | 2017-01-04 | 洛阳万基铝加工有限公司 | A kind of Aluminum sheets processing technique |
| CN107312952B (en) * | 2017-05-17 | 2019-01-01 | 江阴新仁铝业科技有限公司 | A kind of high air-heater formula heat dissipation is around fin aluminium strip and preparation method thereof |
| CN107312952A (en) * | 2017-05-17 | 2017-11-03 | 江阴新仁铝业科技有限公司 | A kind of high air-heater bar formula radiating is around fin aluminium strip and preparation method thereof |
| CN107312953A (en) * | 2017-06-07 | 2017-11-03 | 烟台南山学院 | A kind of ultra-thin double-zero aluminum foil and preparation method thereof |
| CN107312953B (en) * | 2017-06-07 | 2018-11-20 | 烟台南山学院 | A kind of ultra-thin double-zero aluminum foil and preparation method thereof |
| CN108441711A (en) * | 2018-03-06 | 2018-08-24 | 淮北富士特铝业有限公司 | A kind of anticorrosion aluminium ally section and its production technology |
| CN110983126A (en) * | 2020-01-10 | 2020-04-10 | 广西百矿润泰铝业有限公司 | Preparation method of 5754 alloy aluminum plate for automobile |
| CN110983126B (en) * | 2020-01-10 | 2021-06-04 | 广西百矿润泰铝业有限公司 | Preparation method of 5754 alloy aluminum plate for automobile |
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Effective date of registration: 20170531 Address after: 214400 Jiangsu city of Wuxi province Jiangyin city Xu Xiake Zhen Huang Tang Industrial Park New Yan Road No. 1 Applicant after: Jiangyin new fortune Aluminum Technology Co., Ltd. Address before: 214400 Huang Tong Industrial Park, Xu Xiake Town, Jiangyin, Jiangsu, Wuxi Applicant before: Jiangyin Xinren Technology Co., Ltd. |
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