CN102876939A - Manufacturing method of aluminum magnesium alloy - Google Patents

Manufacturing method of aluminum magnesium alloy Download PDF

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Publication number
CN102876939A
CN102876939A CN2012104208870A CN201210420887A CN102876939A CN 102876939 A CN102876939 A CN 102876939A CN 2012104208870 A CN2012104208870 A CN 2012104208870A CN 201210420887 A CN201210420887 A CN 201210420887A CN 102876939 A CN102876939 A CN 102876939A
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aluminium
massfraction
alloy
aluminum magnesium
temperature
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CN102876939B (en
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张宏亮
杜传慧
马英义
王晨
王强
苏广焱
左德运
于莉莉
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Northeast Light Alloy Co Ltd
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Northeast Light Alloy Co Ltd
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Abstract

The invention relates to a manufacturing method of plates and particularly relates to a manufacturing method of an aluminum magnesium alloy thick plate, which can be used for solving the problems that a process for processing a plate made of aluminum alloy 5083 which is in the H321 state and is 12.5-75mm in thickness, and the aluminum alloy 5083 being in the H321 state and being 12.5-75mm in thickness, which is prepared by the existing casting method, is poor in strength and percentage elongation. The method comprises the steps of firstly, melting; secondly, casting; thirdly, evening fire; fourthly, rolling and fifthly, annealing. According to the method disclosed by the invention, the blank of the manufacturing method of an alloy thick plate 5083H321 being 12.5-75mm in thickness is filled; and according to the method, a reasonable technological process is selected, so that the yield strength of the plate is 275-293MPa, the tensile strength of the plate is 350-365MPa, and the percentage elongation of the plate is 10.8-11.9%. The aluminum magnesium alloy thick plate manufactured by the method can be used for the industrial fields of armored vehicles, ships, automobile industries, and canning.

Description

A kind of manufacture method of aluminum magnesium alloy slab
Technical field
The present invention relates to a kind of manufacture method of sheet material.
Background technology
5083 aluminium alloys have medium tenacity, good solidity to corrosion, weldability and the characteristics such as are easy to shape, and are that Al-Mg is the exemplary alloy in the alloy, have important using value in a lot of fields.5083 aluminum alloy plate materials of different heat treatment state are armored vehicle, boats and ships, automobile industry, the used main raw of tank-making industry.So far, most magnesium alloy products mainly obtain by castmethod or machining process, and mostly be the aluminum magnesium alloy thin plate, 5083 aluminium alloys that adopt existing castmethod to prepare the H321 state of thickness 12.5mm~75mm produce the problem that intensity is low and extend rate variance easily, the production technique that also not have at present the production 5083 aluminium alloy H321 state thickness 12.5mm~75mm sheet materials of shaping, can not satisfying the market to the demand of 5083H321 slab.
Summary of the invention
The present invention is the production technique that will solve the production 5083 aluminium alloy H321 state thickness 12.5mm~75mm sheet materials that also do not have shaping at present, and existing castmethod prepares 5083 aluminium alloys of the H321 state of thickness 12.5mm~75mm and produces easily the problem that intensity is low and extend rate variance, and the manufacture method of a kind of aluminum magnesium alloy slab that provides.
A kind of manufacture method of aluminum magnesium alloy slab specifically prepares according to following steps:
One, melting: the massfraction by Si is 0.0001%~0.40%, the massfraction of Fe is 0.0001%~0.40%, the massfraction of Cu is 0.0001%~0.10%, the massfraction of Mn is 0.40%~1.0%, the massfraction of Mg is 4.0%~4.9%, the massfraction of Cr is 0.05%~0.25%, the massfraction of Ni is 0.0001%~0.01%, the massfraction of Zn is 0.0001%~0.25%, the massfraction of Ti is 0.0001%~0.15%, the massfraction of Zr is 0.0001%~0.01%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting are with aluminium ingot and join in the dry smelting furnace, be melting 3h~5h under 700 ℃~750 ℃ conditions in temperature, obtain molten aluminium alloy;
Two, casting: the aluminium alloy solution that step 1 is obtained is that 690 ℃~710 ℃, casting speed are that 3.3mm/min~3.6mm/min, water coolant intensity are that 0.08MPa~0.15MPa, temperature of cooling water are to adopt the semicontinuous casting method to be cast as the aluminium alloy cast ingot that thickness is 255mm~520mm under 10 ℃~20 ℃ the condition in temperature;
Three, all fiery: the aluminium alloy cast ingot that step 2 obtains is put into heat treatment furnace, is to be incubated 24h~25h under 460 ℃~475 ℃ conditions to carry out homogenizing annealing processing, the aluminium alloy cast ingot after obtaining processing in temperature;
Four, rolling: the aluminium alloy cast ingot after the processing that step 3 is obtained mills the oxide skin on surface, put into again resistance heading furnace and be heated to 470 ℃~500 ℃, insulation 6h~8h, put into again hot rolls, be that 200T~1500T, temperature are to be rolled under 470 ℃~500 ℃ conditions at pressure, controlled rolling speed is 0.5m/min~3m/min, rolling woollen sheet material; Again woollen sheet material is put into process furnace and be heated to 360 ℃~380 ℃, insulation 2h~3h carries out process annealing to be processed, put into again hot rolls, be that 500T~1200T, temperature are that the cold working rate by 25%~35% is rolled under the room temperature condition at pressure, controlled rolling speed is 0.5m/min~3.0m/min, and is rolling that thickness is the sheet material of 12.5mm~75mm;
Five, annealing: the sheet material that step 4 is made is put into process furnace and is heated to 110 ℃~130 ℃, and insulation 1h~2h carries out stabilizing annealing to be processed, and again sheet material is placed 5d~90d, obtains the aluminum magnesium alloy slab.
Single impurity in the magnesium alloy thick plate of the present invention's preparation is less than 0.05%, and all dirt is less than 0.15%, and the impurity in this scope is on the not impact of performance of aluminum alloy plate materials.
The invention has the beneficial effects as follows: the inventive method has been determined the production method of aluminum magnesium alloy slab, and having filled up thickness is the 5083H321 alloy plate preparation method's of 12.5mm~75mm blank; The present invention selects rational technical process, produced that the plate face is smooth, thin and thick is even, surface smoothness is good, aluminum magnesium alloy slab goods, make the yield strength of sheet material arrive 275MPa~293MPa, tensile strength reaches 350MPa~365MPa, and unit elongation reaches 10.8%~11.9%.
The aluminum magnesium alloy slab of the present invention's preparation is used for armored vehicle, boats and ships, automobile industry, tank-making industry field.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the manufacture method of a kind of aluminum magnesium alloy slab of present embodiment specifically prepares according to following steps:
One, melting: the massfraction by Si is 0.0001%~0.40%, the massfraction of Fe is 0.0001%~0.40%, the massfraction of Cu is 0.0001%~0.10%, the massfraction of Mn is 0.40%~1.0%, the massfraction of Mg is 4.0%~4.9%, the massfraction of Cr is 0.05%~0.25%, the massfraction of Ni is 0.0001%~0.01%, the massfraction of Zn is 0.0001%~0.25%, the massfraction of Ti is 0.0001%~0.15%, the massfraction of Zr is 0.0001%~0.01%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting are with aluminium ingot and join in the dry smelting furnace, be melting 3h~5h under 700 ℃~750 ℃ conditions in temperature, obtain molten aluminium alloy;
Two, casting: the aluminium alloy solution that step 1 is obtained is that 690 ℃~710 ℃, casting speed are that 3.3mm/min~3.6mm/min, water coolant intensity are that 0.08MPa~0.15MPa, temperature of cooling water are to adopt the semicontinuous casting method to be cast as the aluminium alloy cast ingot that thickness is 255mm~520mm under 10 ℃~20 ℃ the condition in temperature;
Three, all fiery: the aluminium alloy cast ingot that step 2 obtains is put into heat treatment furnace, is to be incubated 24h~25h under 460 ℃~475 ℃ conditions to carry out homogenizing annealing processing, the aluminium alloy cast ingot after obtaining processing in temperature;
Four, rolling: the aluminium alloy cast ingot after the processing that step 3 is obtained mills the oxide skin on surface, put into again resistance heading furnace and be heated to 470 ℃~500 ℃, insulation 6h~8h, put into again hot rolls, be that 200T~1500T, temperature are to be rolled under 470 ℃~500 ℃ conditions at pressure, controlled rolling speed is 0.5m/min~3m/min, rolling woollen sheet material; Again woollen sheet material is put into process furnace and be heated to 360 ℃~380 ℃, insulation 2h~3h carries out process annealing to be processed, put into again hot rolls, be that 500T~1200T, temperature are that the cold working rate by 25%~35% is rolled under the room temperature condition at pressure, controlled rolling speed is 0.5m/min~3.0m/min, and is rolling that thickness is the sheet material of 12.5mm~75mm;
Five, annealing: the sheet material that step 4 is made is put into process furnace and is heated to 110 ℃~130 ℃, and insulation 1h~2h carries out stabilizing annealing to be processed, and again sheet material is placed 5d~90d, obtains the aluminum magnesium alloy slab.
Single impurity in the magnesium alloy thick plate of present embodiment preparation is less than 0.05%, and all dirt is less than 0.15%, and the impurity in this scope is on the not impact of performance of aluminum alloy plate materials.
Embodiment two: what present embodiment and embodiment two were different is: the massfraction by Si in the step 1 is 0.02%~0.38%, the massfraction of Fe is 0.02%~0.38%, the massfraction of Cu is 0.02%~0.08%, the massfraction of Mn is 0.50%~0.90%, the massfraction of Mg is 4.2%~4.7%, the massfraction of Cr is 0.07%~0.23%, the massfraction of Ni is 0.0002%~0.009%, the massfraction of Zn is 0.02%~0.23%, the massfraction of Ti is 0.02%~0.13%, the massfraction of Zr is 0.0002%~0.009%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting aluminium ingot.Other is identical with embodiment one.
Embodiment three: what present embodiment was different from embodiment one or two is: be melting 3.5h~4.5h under 710 ℃~740 ℃ conditions in temperature in the step 1.Other is identical with embodiment one or two.
Embodiment four: what present embodiment was different from one of embodiment one to three is: aluminium alloy solution is that 700 ℃, casting speed are that 3.5mm/min, water coolant intensity are that 0.09MPa~0.14MPa, temperature of cooling water are to adopt the semicontinuous casting method to be cast as the aluminium alloy cast ingot that thickness is 260mm~300mm under 12 ℃~18 ℃ the condition in temperature in the step 2.Other is identical with one of embodiment one to three.
Embodiment five: what present embodiment was different from one of embodiment one to four is: be to carry out homogenizing annealing under 465 ℃~470 ℃ conditions to process in temperature in the step 3.Other is identical with one of embodiment one to four.
Embodiment six: what present embodiment was different from one of embodiment one to five is: put into resistance heading furnace in the step 4 and be heated to 480 ℃~490 ℃.Other is identical with one of embodiment one to five.
Embodiment seven: what present embodiment was different from one of embodiment one to six is: the cold working rate by 30% in the step 4 is rolled.Other is identical with one of embodiment one to six.
Embodiment eight: what present embodiment was different from one of embodiment one to seven is: rolling that thickness is the sheet material of 20mm~50mm in the step 4.Other is identical with one of embodiment one to seven.
Embodiment nine: what present embodiment was different from one of embodiment one to eight is: process furnace is heated to 120 ℃ in the step 5.Other is identical with one of embodiment one to eight.
Embodiment ten: what present embodiment was different from one of embodiment one to nine is: sheet material is placed 10d~60d in the step 5.Other is identical with one of embodiment one to nine.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment one:
The manufacture method of a kind of aluminum magnesium alloy slab of present embodiment specifically prepares according to following steps:
One, melting: the massfraction by Si is 0.20%, the massfraction of Fe is 0.20%, the massfraction of Cu is 0.05%, the massfraction of Mn is 0.70%, the massfraction of Mg is 4.5%, the massfraction of Cr is 0.15%, the massfraction of Ni is 0.01%, the massfraction of Zn is 0.12%, the massfraction of Ti is 0.08%, the massfraction of Zr is 0.01%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting are with aluminium ingot and join in the dry smelting furnace, be melting 4h under 730 ℃ of conditions in temperature, obtain molten aluminium alloy;
Two, casting: the aluminium alloy solution that step 1 is obtained is that 700 ℃, casting speed are that 3.3mm/min, water coolant intensity are that 0.15MPa, temperature of cooling water are that to adopt the semicontinuous casting method to be cast as thickness under 15 ℃ the condition be 420 aluminium alloy cast ingot in temperature;
Three, all fiery: the aluminium alloy cast ingot that step 2 obtains is put into heat treatment furnace, is that insulation 24h carries out homogenizing annealing processing, the aluminium alloy cast ingot after obtaining processing under 460 ℃ of conditions in temperature;
Four, rolling: the aluminium alloy cast ingot after the processing that step 3 is obtained mills the oxide skin on surface, put into again resistance heading furnace and be heated to 470 ℃, insulation 6h~8h, put into again the 2000mm hot rolls, be that 1000T, temperature are to be rolled under 490 ℃ of conditions at pressure, controlled rolling speed is 0.5m/min, rolling woollen sheet material; Again woollen sheet material is put into process furnace and be heated to 360 ℃, insulation 2h carries out process annealing to be processed, and puts into hot rolls again, is that 1000T, temperature are that the cold working rate by 25% is rolled under the room temperature condition at pressure, controlled rolling speed is 0.5m/min, and is rolling that thickness is the sheet material of 12.5mm;
Five, annealing: the sheet material that step 4 is made is put into process furnace and is heated to 110 ℃, and insulation 2h carries out stabilizing annealing to be processed, and again sheet material is placed 5d, obtains the aluminum magnesium alloy slab.
The aluminum magnesium alloy slab of present embodiment preparation, the plate face is smooth, thin and thick is even, surface smoothness is good, and yield strength is 293MPa, and tensile strength is 365MPa, and unit elongation is 11.9%.

Claims (10)

1. the manufacture method of an aluminum magnesium alloy slab, the manufacture method that it is characterized in that a kind of aluminum magnesium alloy slab are specifically according to the following steps preparation:
One, melting: the massfraction by Si is 0.0001%~0.40%, the massfraction of Fe is 0.0001%~0.40%, the massfraction of Cu is 0.0001%~0.10%, the massfraction of Mn is 0.40%~1.0%, the massfraction of Mg is 4.0%~4.9%, the massfraction of Cr is 0.05%~0.25%, the massfraction of Ni is 0.0001%~0.01%, the massfraction of Zn is 0.0001%~0.25%, the massfraction of Ti is 0.0001%~0.15%, the massfraction of Zr is 0.0001%~0.01%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting are with aluminium ingot and join in the dry smelting furnace, be melting 3h~5h under 700 ℃~750 ℃ conditions in temperature, obtain molten aluminium alloy;
Two, casting: the aluminium alloy solution that step 1 is obtained is that 690 ℃~710 ℃, casting speed are that 3.3mm/min~3.6mm/min, water coolant intensity are that 0.08MPa~0.15MPa, temperature of cooling water are to adopt the semicontinuous casting method to be cast as the aluminium alloy cast ingot that thickness is 255mm~520mm under 10 ℃~20 ℃ the condition in temperature;
Three, all fiery: the aluminium alloy cast ingot that step 2 obtains is put into heat treatment furnace, is to be incubated 24h~25h under 460 ℃~475 ℃ conditions to carry out homogenizing annealing processing, the aluminium alloy cast ingot after obtaining processing in temperature;
Four, rolling: the aluminium alloy cast ingot after the processing that step 3 is obtained mills the oxide skin on surface, put into again resistance heading furnace and be heated to 470 ℃~500 ℃, insulation 6h~8h, put into again hot rolls, be that 200T~1500T, temperature are to be rolled under 470 ℃~500 ℃ conditions at pressure, controlled rolling speed is 0.5m/min~3m/min, rolling woollen sheet material; Again woollen sheet material is put into process furnace and be heated to 360 ℃~380 ℃, insulation 2h~3h carries out process annealing to be processed, put into again hot rolls, be that 500T~1200T, temperature are that the cold working rate by 25%~35% is rolled under the room temperature condition at pressure, controlled rolling speed is 0.5m/min~3.0m/min, and is rolling that thickness is the sheet material of 12.5mm~75mm;
Five, annealing: the sheet material that step 4 is made is put into process furnace and is heated to 110 ℃~130 ℃, and insulation 1h~2h carries out stabilizing annealing to be processed, and again sheet material is placed 5d~90d, obtains the aluminum magnesium alloy slab.
2. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 1 is characterized in that the massfraction by Si is 0.02%~0.38% in the step 1, the massfraction of Fe is 0.02%~0.38%, the massfraction of Cu is 0.02%~0.08%, the massfraction of Mn is 0.50%~0.90%, the massfraction of Mg is 4.2%~4.7%, the massfraction of Cr is 0.07%~0.23%, the massfraction of Ni is 0.0002%~0.009%, the massfraction of Zn is 0.02%~0.23%, the massfraction of Ti is 0.02%~0.13%, the massfraction of Zr is 0.0002%~0.009%, surplus is that Al takes by weighing pure magnesium ingot, aluminium-manganese master alloy, aluminium-titanium master alloy, aluminium-silicon master alloy, aluminium-iron master alloy, electrolytic copper, aluminium-nickel master alloy, aluminium-zinc master alloy and remelting aluminium ingot.
3. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 2 is characterized in that in the step 1 in temperature being melting 3.5h~4.5h under 710 ℃~740 ℃ conditions.
4. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 3 is characterized in that aluminium alloy solution in the step 2 is that 700 ℃, casting speed are that 3.5mm/min, water coolant intensity are that 0.09MPa~0.14MPa, temperature of cooling water are to adopt the semicontinuous casting method to be cast as the aluminium alloy cast ingot that thickness is 260mm~300mm under 12 ℃~18 ℃ the condition in temperature.
5. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 4 is characterized in that in the step 3 in temperature being to carry out homogenizing annealing under 465 ℃~470 ℃ conditions to process.
6. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 5 is characterized in that putting in the step 4 resistance heading furnace and is heated to 480 ℃~490 ℃.
7. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 6 is characterized in that the cold working rate by 30% is rolled in the step 4.
8. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 7 is characterized in that in the step 4 rolling that thickness be the sheet material of 20mm~50mm.
9. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 8 is characterized in that process furnace is heated to 120 ℃ in the step 5.
10. the manufacture method of described a kind of aluminum magnesium alloy slab according to claim 9 is characterized in that sheet material is placed 10d~60d in the step 5.
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Cited By (17)

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CN103540814A (en) * 2013-10-17 2014-01-29 常熟市良益金属材料有限公司 Aluminum magnesium alloy
CN103740990A (en) * 2014-01-10 2014-04-23 中铝瑞闽铝板带有限公司 Aluminum alloy strip for automobile heat insulation cover and manufacturing method thereof
CN104384229A (en) * 2014-12-15 2015-03-04 西南铝业(集团)有限责任公司 Machining process of thick 5083 aluminum alloy plate for ships
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
CN104561695A (en) * 2014-12-22 2015-04-29 河南明泰铝业股份有限公司 Marine aluminium alloy thick plate and production method thereof
CN105908025A (en) * 2016-06-12 2016-08-31 山东南山铝业股份有限公司 Aluminum alloy thick plate and production method thereof
CN105925858A (en) * 2016-06-12 2016-09-07 山东南山铝业股份有限公司 Aluminum alloy sheet and production method thereof
CN105976929A (en) * 2016-07-20 2016-09-28 上海新益电力线路器材有限公司 Ultrahigh-temperature-resistant and fireproof cable and manufacturing method thereof
CN106834827A (en) * 2016-12-26 2017-06-13 江苏亨通电力特种导线有限公司 The preparation method of microalloying Al Mg rod of metal alloy
CN106929717A (en) * 2017-03-24 2017-07-07 淮北津奥铝业有限公司 Auto parts and components aluminium alloy
CN107557624A (en) * 2017-08-29 2018-01-09 河南明泰科技发展有限公司 A kind of aluminium alloy container aluminium sheet and its production method
CN107557625A (en) * 2017-08-29 2018-01-09 河南明泰科技发展有限公司 A kind of new-energy automobile high tenacity Aluminum Plate and Strip and its production method
CN108246810A (en) * 2016-12-29 2018-07-06 北京有色金属研究总院 A kind of severe deformation milling method for improving 7xxx line aluminium alloy slab organization and performance
CN109988947A (en) * 2017-12-29 2019-07-09 中国航发北京航空材料研究院 Anti-corrosion, solderable alloy and preparation method thereof
CN110042283A (en) * 2019-05-08 2019-07-23 烟台南山学院 Strong Alcoa plate preparation method in one kind
CN110629083A (en) * 2019-11-05 2019-12-31 郑州明泰实业有限公司 Marine 5083 aluminum alloy plate and processing technology thereof
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

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Publication number Priority date Publication date Assignee Title
CN103540814A (en) * 2013-10-17 2014-01-29 常熟市良益金属材料有限公司 Aluminum magnesium alloy
CN103740990A (en) * 2014-01-10 2014-04-23 中铝瑞闽铝板带有限公司 Aluminum alloy strip for automobile heat insulation cover and manufacturing method thereof
CN103740990B (en) * 2014-01-10 2016-01-20 中铝瑞闽股份有限公司 A kind of Aluminum alloy strip for automobile heat insulation cover and manufacture method thereof
CN104384229A (en) * 2014-12-15 2015-03-04 西南铝业(集团)有限责任公司 Machining process of thick 5083 aluminum alloy plate for ships
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
CN104561695A (en) * 2014-12-22 2015-04-29 河南明泰铝业股份有限公司 Marine aluminium alloy thick plate and production method thereof
CN105908025A (en) * 2016-06-12 2016-08-31 山东南山铝业股份有限公司 Aluminum alloy thick plate and production method thereof
CN105925858A (en) * 2016-06-12 2016-09-07 山东南山铝业股份有限公司 Aluminum alloy sheet and production method thereof
CN105976929A (en) * 2016-07-20 2016-09-28 上海新益电力线路器材有限公司 Ultrahigh-temperature-resistant and fireproof cable and manufacturing method thereof
CN105976929B (en) * 2016-07-20 2017-07-18 上海新益电力线路器材有限公司 A kind of superhigh temperature resistant fireproof cable and its manufacture method
CN106834827A (en) * 2016-12-26 2017-06-13 江苏亨通电力特种导线有限公司 The preparation method of microalloying Al Mg rod of metal alloy
CN108246810A (en) * 2016-12-29 2018-07-06 北京有色金属研究总院 A kind of severe deformation milling method for improving 7xxx line aluminium alloy slab organization and performance
CN106929717A (en) * 2017-03-24 2017-07-07 淮北津奥铝业有限公司 Auto parts and components aluminium alloy
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CN107557624A (en) * 2017-08-29 2018-01-09 河南明泰科技发展有限公司 A kind of aluminium alloy container aluminium sheet and its production method
CN107557625B (en) * 2017-08-29 2019-03-26 河南明泰科技发展有限公司 A kind of new-energy automobile high tenacity Aluminum Plate and Strip and its production method
CN107557624B (en) * 2017-08-29 2019-03-26 河南明泰科技发展有限公司 A kind of aluminium alloy container aluminium sheet and its production method
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CN109988947B (en) * 2017-12-29 2021-09-21 中国航发北京航空材料研究院 Corrosion resistant weldable alloy and method of making same
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