CN101660883A - Manufacturing method of vehicle aluminum alloy radiating fin - Google Patents
Manufacturing method of vehicle aluminum alloy radiating fin Download PDFInfo
- Publication number
- CN101660883A CN101660883A CN200910192164A CN200910192164A CN101660883A CN 101660883 A CN101660883 A CN 101660883A CN 200910192164 A CN200910192164 A CN 200910192164A CN 200910192164 A CN200910192164 A CN 200910192164A CN 101660883 A CN101660883 A CN 101660883A
- Authority
- CN
- China
- Prior art keywords
- temperature
- radiating fin
- aluminium
- aluminum alloy
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to the technical field of manufacturing radiating fins, in particular to a manufacturing method of a vehicle aluminum alloy radiating fin. The vehicle aluminum alloy radiating fin is manufactured in the mode of heating extrusion; aluminum alloy is obtained by aluminum liquid regeneration smelting, wherein, smelted aluminum liquid contains 85% of aluminum ingot A00 and residual leftover material in percentage by weight; generated aluminum alloy comprises the following components in percentage by weight: 0.325-0.355% of silicon, 0.50-0.54% of magnesium, 0.10-0.30% of iron,less than 0.02% of copper, less than 0.02% of manganese, less than 0.02% of chromium, less than 0.02% of zinc, less than or equal to 0.03% of titanium, less than or equal to 0.05% of other single impurity by control, less than 0.15% of total trace element, and the balance aluminum. The invention has the beneficial effect of simple technology and low cost; in addition, the invention fully utilizesleftover and accelerates industry development, each performance parameter of the manufactured radiating fin is relatively improved, so that the radiating fin has favorable performance.
Description
Technical field:
The present invention relates to the fin manufacture technology field, refer in particular to a kind of production method that is used to make vehicle aluminum alloy radiating fin.
Background technology:
At present, produce vehicle aluminum alloy radiating fin and adopt aluminium alloy 6060 national standards (GB/T6892-2006) to carry out extrusion modling, there is following defective in products obtained therefrom: 1, bad mechanical property, and as tensile strength (140Rm/Mpa), surrender degree (100R
0.2/ Mpa), hardness (9～12 degree) etc. a little less than; 2, the poor electric conductivity of product is low as conductance; 3, a little less than the poor plasticity of product, the combination property.Take this, the applicant is because the disappearance of above-mentioned known production vehicle aluminum alloy radiating fin, the spirit of adhering to the research innovation, keeping on improving is utilized its professional eye and professional knowledge, works out a kind of production method that meets the vehicle aluminum alloy radiating fin of industry utilization.
Summary of the invention:
The object of the invention is to provide a kind of production method of vehicle aluminum alloy radiating fin, and gained fin various performance parameters improves function admirable relatively.
The present invention adopts following technical scheme:
A kind of production method of vehicle aluminum alloy radiating fin, make with the heating fashion of extrusion, aluminium alloy adopts aluminium liquid regeneration melting to obtain, and wherein contains 85% the aluminium ingot A00 and the leftover pieces of surplus in the melting aluminium liquid by weight, and the aluminium alloy composition of generation is by weight as follows:
Silicon (Si): 0.325-0.355% magnesium (Mg): 0.50-0.54%
Iron (Fe): 0.10-0.30% copper (Cu):＜0.02%
Manganese (Mn):＜0.02% chromium (Cr):＜0.02%
Zinc (Zn):＜0.02% titanium (Ti) :≤0.03%
Other single Control of Impurities are≤0.05%, and trace element amounts to less than 0.15%, the aluminium surplus.
Described founding is as follows:
1) smelting temperature 740-755 ℃, melting duration≤4 hour
2) refining temperature 740-755 ℃, the melting duration is 25 minutes
3) adopt Japanese permanent magnetism to stir suitable, inverse time stirring, stir 3 times
4) left standstill duration 10 minutes, the liquid aluminum film must not damage
5) aluminium liquid is purified before the casting, adopts 40 height of eye temperature ceramic filter plates to filter
6) the casting temperature of aluminum liquid is 700-710 ℃, adopts a constant speed isothermal casting
7) the casting coolant water temperature is 25-30 ℃, the coolant water temperature unanimity.
Described extruding is to adopt 1000T forward extrusion machine, and the aluminium bar heating and temperature control exists: 500-520 ℃, and temperature retention time 〉=4h, the mold heated temperature is controlled at: 490-520 ℃, temperature retention time 〉=1.5h, recipient heating-up temperature: 390-420 ℃, extrusion speed is controlled at 6-7m/min, at the uniform velocity extruding, drop temperature: 505-525 ℃, to quench to adopt and push press quenching, the type of cooling is the high wind cooling, cooling velocity is controlled at 〉=5 ℃/S, is cooled to below 150 ℃ in 3 minutes.
The invention has the beneficial effects as follows that technology is simple, cost is low, makes full use of leftover pieces, promotes industry development, and the fin various performance parameters of being produced improves relatively, function admirable.Conductance reaches about 52%, and mechanical performance of products strengthens, and stretching resistance, yield strength, hardness (7～10 degree) etc. all reach the properties of product requirement, have improved the plasticity of product, and combination property strengthens, and has realized the optimum balance of various characteristics.
Description of drawings:
Accompanying drawing 1 is the structural representation of wherein a kind of vehicle aluminum alloy radiating fin of the present invention's production.
The specific embodiment:
The production method of vehicle aluminum alloy radiating fin provided by the invention, be to make with the heating fashion of extrusion, aluminium alloy adopts aluminium liquid regeneration melting to obtain, and wherein contains 85% the aluminium ingot A00 and the leftover pieces of surplus in the melting aluminium liquid by weight, and the aluminium alloy composition of generation is by weight as follows:
Silicon (Si): 0.325-0.355% magnesium (Mg): 0.50-0.54%
Iron (Fe): 0.10-0.30% copper (Cu):＜0.02%
Manganese (Mn):＜0.02% chromium (Cr):＜0.02%
Zinc (Zn):＜0.02% titanium (Ti) :≤0.03%
Other single Control of Impurities are≤0.05%, and trace element amounts to less than 0.15%, the aluminium surplus.
Founding is as follows:
1) smelting temperature 740-755 ℃, melting duration≤4 hour
2) refining temperature 740-755 ℃, the melting duration is 25 minutes
3) adopt Japanese permanent magnetism to stir suitable, inverse time stirring, stir 3 times
4) left standstill duration 10 minutes, the liquid aluminum film must not damage
5) aluminium liquid is purified before the casting, adopts 40 height of eye temperature ceramic filter plates to filter
6) the casting temperature of aluminum liquid is 700-710 ℃, adopts a constant speed isothermal casting
7) the casting coolant water temperature is 25-30 ℃, the coolant water temperature unanimity.
Extrusion process is to adopt 1000T forward extrusion machine, and the aluminium bar heating and temperature control exists: 500-520 ℃, and temperature retention time 〉=4h, the mold heated temperature is controlled at: 490-520 ℃, temperature retention time 〉=1.5h, recipient heating-up temperature: 390-420 ℃, extrusion speed is controlled at 6-7m/min, at the uniform velocity extruding, drop temperature: 505-525 ℃, to quench to adopt and push press quenching, the type of cooling is the high wind cooling, cooling velocity is controlled at 〉=5 ℃/S, is cooled to below 150 ℃ in 3 minutes.
Embodiment:
With product shown in Figure 1 is example: because product adds and easily cracks man-hour, the tongue of product is bigger simultaneously, causes mould to rupture in extrusion process easily, so the hardness of product can not be too high, adopt 6060 alloys, Si, Mg content are controlled at lower limit, the also strict control of Fe content; Adopt 40 height of eye temperature ceramic filter plates to filter, thoroughly slagging-off degasification when melting, the bar of casting makes its grain refinement by homogenizing annealing, and composition is even.Strict control ingot casting, mold temperature and the time in extrusion process, by the aging furnace timeliness, strict control time and temperature make its hardness reach standard by the product after the extrusion modling.
Concrete operation method:
Aluminium liquid regeneration melting
1, batching:
Remelting accounts for 85% with aluminium ingot A00 (98.8%), and all the other are leftover pieces, and leftover pieces are silico-aluminum (silicon content is 12.5%), and 5 titaniums, 1 boron one-level aluminium boron titanium silk is adopted in refinement.
2, the following part by weight of the chemical analysis of the aluminium alloy of Sheng Chenging control:
Silicon (Si): 0.325-0.355% magnesium (Mg): 0.50-0.54%
Iron (Fe): 0.10-0.30% copper (Cu):＜0.02%
Manganese (Mn):＜0.02% chromium (Cr):＜0.02%
Zinc (Zn):＜0.02% titanium (Ti) :≤0.03%
Other single Control of Impurities are≤0.05%, and trace element amounts to less than 0.15%, the aluminium surplus.
As the silicon (Si) of controlling the gained aluminium alloy is 0.328%, magnesium (Mg) is 0.50%, iron (Fe) is 0.15%, and copper (Cu) is 0.01%, and manganese (Mn) is 0.015%, chromium (Cr) is 0.013%, zinc (Zn) is 0.016%, and titanium (Ti) is 0.03%, and other single Control of Impurities are≤0.05%, trace element amounts to less than 0.15%, the aluminium surplus.
3, founding
1) smelting temperature 740-755 ℃, melting duration≤4 hour, during as 750 ℃ of smelting temperatures, the melting duration is 3.5 hours;
2) refining temperature 740-755 ℃, the melting duration is 25 minutes, and it is to carry out on the melting basis before, and as 755 ℃ of refining temperatures, the melting duration is 25 minutes, makes the further melting of aluminium liquid;
3) adopt Japanese permanent magnetism to stir suitable, inverse time stirring, stir 3 times;
4) left standstill duration 10 minutes, the liquid aluminum film must not damage;
5) aluminium liquid is purified before the casting, adopts 40 height of eye temperature ceramic filter plates to filter;
6) the casting temperature of aluminum liquid is 700-710 ℃, adopts a constant speed isothermal casting;
7) the casting coolant water temperature is 25-30 ℃, the coolant water temperature unanimity.
The extruding aspect:
Adopt 1000T forward extrusion machine, the aluminium bar heating and temperature control exists: 500-520 ℃, as get 500 ℃, 510 ℃, 515 ℃; Temperature retention time 〉=4h, the mold heated temperature is controlled at: 490-520 ℃, temperature retention time 〉=1.5h, recipient heating-up temperature: 390-420 ℃, extrusion speed is controlled at 6-7m/min, at the uniform velocity extruding, drop temperature: 505-525 ℃, to quench to adopt and push press quenching, the type of cooling is the high wind cooling, cooling velocity is controlled at 〉=5 ℃/S, is cooled to below 150 ℃ in 3 minutes.
The timeliness aspect:
The product that squeezes out is carried out Ageing Treatment, and aging temp is controlled at 200 ± 5 ℃, temperature retention time 3h, and hardness (HW) reaches the 7-10 degree.
Through test manufacture and batch process and a large amount of production, gained fin various performance parameters improves function admirable relatively.The product conductance reaches about 52%, and mechanical performance of products strengthens, and stretching resistance, yield strength, hardness (7～10 degree) etc. all reach the properties of product requirement, have improved the plasticity of product, and combination property strengthens, and has realized the optimum balance of various characteristics; This has proved feasibility of the present invention.
Claims (3)
1, a kind of production method of vehicle aluminum alloy radiating fin, it is characterized in that: make with the heating fashion of extrusion, aluminium alloy adopts aluminium liquid regeneration melting to obtain, and wherein contains 85% the aluminium ingot A00 and the leftover pieces of surplus in the melting aluminium liquid by weight, and the aluminium alloy composition of generation is by weight as follows:
Silicon (Si): 0.325-0.355% magnesium (Mg): 0.50-0.54%
Iron (Fe): 0.10-0.30% copper (Cu):＜0.02%
Manganese (Mn):＜0.02% chromium (Cr):＜0.02%
Zinc (Zn):＜0.02% titanium (Ti) :≤0.03%
Other single Control of Impurities are≤0.05%, and trace element amounts to less than 0.15%, the aluminium surplus.
2, the production method of a kind of vehicle aluminum alloy radiating fin according to claim 1, it is characterized in that: founding is as follows:
1) smelting temperature 740-755 ℃, melting duration≤4 hour
2) refining temperature 740-755 ℃, the melting duration is 25 minutes
3) adopt Japanese permanent magnetism to stir suitable, inverse time stirring, stir 3 times
4) left standstill duration 10 minutes, the liquid aluminum film must not damage
5) aluminium liquid is purified before the casting, adopts 40 height of eye temperature ceramic filter plates to filter
6) the casting temperature of aluminum liquid is 700-710 ℃, adopts a constant speed isothermal casting
7) the casting coolant water temperature is 25-30 ℃, the coolant water temperature unanimity.
3, the production method of a kind of vehicle aluminum alloy radiating fin according to claim 1, it is characterized in that: extruding is to adopt 1000T forward extrusion machine, the aluminium bar heating and temperature control exists: 500-520 ℃, temperature retention time 〉=4h, the mold heated temperature is controlled at: 490-520 ℃, temperature retention time 〉=1.5h, recipient heating-up temperature: 390-420 ℃, extrusion speed is controlled at 6-7m/min, at the uniform velocity extruding, drop temperature: 505-525 ℃, quench and adopt the extruding press quenching, the type of cooling is the high wind cooling, and cooling velocity is controlled at 〉=5 ℃/S, is cooled to below 150 ℃ in 3 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101921648A CN101660883B (en) | 2009-09-04 | 2009-09-04 | Manufacturing method of vehicle aluminum alloy radiating fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101921648A CN101660883B (en) | 2009-09-04 | 2009-09-04 | Manufacturing method of vehicle aluminum alloy radiating fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101660883A true CN101660883A (en) | 2010-03-03 |
| CN101660883B CN101660883B (en) | 2011-10-26 |
Family
ID=41789037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101921648A Active CN101660883B (en) | 2009-09-04 | 2009-09-04 | Manufacturing method of vehicle aluminum alloy radiating fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101660883B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864532A (en) * | 2010-05-17 | 2010-10-20 | 盐城市赛瑞特半导体照明有限公司 | Superconductive aluminum-based alloy for LED heat dissipation device |
| CN102358927A (en) * | 2011-11-11 | 2012-02-22 | 郴州市强旺新金属材料有限公司 | Aluminium manganese alloy for heat-radiation soft aluminium tube |
| CN102618738A (en) * | 2012-04-24 | 2012-08-01 | 东莞市奥达铝业有限公司 | Smelting process for aluminum-silicon master alloy |
| CN102899530A (en) * | 2012-08-30 | 2013-01-30 | 安徽四翔铝业有限公司 | Production method for novel aluminum alloy heat dissipater flat tube |
| CN103602862A (en) * | 2013-11-28 | 2014-02-26 | 辽宁忠旺集团有限公司 | Production process for large-section aluminum alloy radiating fin |
| CN103725908A (en) * | 2014-01-13 | 2014-04-16 | 南部县德美金属有限公司 | Aluminum alloy casting process |
| CN106014594A (en) * | 2016-06-17 | 2016-10-12 | 安徽天祥空调科技有限公司 | Integrally formed water chamber for automobile radiator |
| CN106435298A (en) * | 2016-09-14 | 2017-02-22 | 广东豪美铝业股份有限公司 | Aluminium alloy applied to aluminium alloy box body profiles of automobiles and preparation method of aluminium alloy |
| CN106756314A (en) * | 2016-11-11 | 2017-05-31 | 湖北万佳宏铝业股份有限公司 | A kind of aluminium alloy for having decoration and electromagnetic protection effect concurrently and preparation method thereof |
| CN108239713A (en) * | 2018-03-04 | 2018-07-03 | 广西平果百矿高新铝业有限公司 | A kind of electronic product appearance aluminum alloy plate materials and its production technology |
| CN108660345A (en) * | 2018-05-18 | 2018-10-16 | 江苏江南创佳型材有限公司 | A kind of aluminium alloy extrusions and preparation method thereof of low Vickers hardness |
| CN110872666A (en) * | 2019-12-05 | 2020-03-10 | 江苏中福铝镁科技有限公司 | Narrow aluminum plate for bending and forming method thereof |
| CN112143946A (en) * | 2020-09-11 | 2020-12-29 | 湖南海铝精密工业股份有限公司 | High-thermal-conductivity high-strength aluminum alloy material, preparation method thereof and application thereof in radiator |
| CN112453095A (en) * | 2020-11-13 | 2021-03-09 | 辽宁忠旺集团有限公司 | Process for reducing coarse crystal layers at free ends of profiles for tracks |
| CN113976652A (en) * | 2021-09-27 | 2022-01-28 | 营口忠旺铝业有限公司 | Extrusion production process of wide radiator |
| CN114318085A (en) * | 2021-08-12 | 2022-04-12 | 上海蔚兰动力科技有限公司 | Aluminium alloy with excellent mechanical and electric heat conductivity and its making method |
| CN114635066A (en) * | 2022-03-23 | 2022-06-17 | 山东博源精密机械有限公司 | Al-Si-Fe system motor rotor alloy and preparation method and application thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0107208D0 (en) * | 2001-03-22 | 2001-05-16 | Alcan Int Ltd | "Al Alloy" |
| EP1300480A1 (en) * | 2001-10-05 | 2003-04-09 | Corus L.P. | Aluminium alloy for making fin stock material |
| EP1505163A3 (en) * | 2003-07-25 | 2005-02-16 | Hydro Aluminium Deutschland GmbH | High strength Aluminium alloy for use in a heat exchanger |
| US20050150642A1 (en) * | 2004-01-12 | 2005-07-14 | Stephen Baumann | High-conductivity finstock alloy, method of manufacture and resultant product |
| WO2006087823A1 (en) * | 2005-02-17 | 2006-08-24 | Sumitomo Light Metal Industries, Ltd. | Aluminum alloy brazing fin material for heat exchanger |
-
2009
- 2009-09-04 CN CN2009101921648A patent/CN101660883B/en active Active
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864532A (en) * | 2010-05-17 | 2010-10-20 | 盐城市赛瑞特半导体照明有限公司 | Superconductive aluminum-based alloy for LED heat dissipation device |
| CN101864532B (en) * | 2010-05-17 | 2011-09-21 | 盐城市赛瑞特半导体照明有限公司 | Superconductive aluminum-based alloy for LED heat dissipation device |
| CN102358927A (en) * | 2011-11-11 | 2012-02-22 | 郴州市强旺新金属材料有限公司 | Aluminium manganese alloy for heat-radiation soft aluminium tube |
| CN102358927B (en) * | 2011-11-11 | 2012-12-26 | 郴州市强旺新金属材料有限公司 | Aluminium manganese alloy for heat-radiation soft aluminium tube |
| CN102618738A (en) * | 2012-04-24 | 2012-08-01 | 东莞市奥达铝业有限公司 | Smelting process for aluminum-silicon master alloy |
| CN102618738B (en) * | 2012-04-24 | 2014-07-09 | 东莞市奥达铝业有限公司 | Smelting process for aluminum-silicon master alloy |
| CN102899530A (en) * | 2012-08-30 | 2013-01-30 | 安徽四翔铝业有限公司 | Production method for novel aluminum alloy heat dissipater flat tube |
| CN102899530B (en) * | 2012-08-30 | 2015-05-06 | 安徽四翔铝业有限公司 | Production method for novel aluminum alloy heat dissipater flat tube |
| CN103602862A (en) * | 2013-11-28 | 2014-02-26 | 辽宁忠旺集团有限公司 | Production process for large-section aluminum alloy radiating fin |
| CN103602862B (en) * | 2013-11-28 | 2016-01-27 | 辽宁忠旺集团有限公司 | A kind of technique of producing big cross section aluminum alloy heat sink |
| CN103725908A (en) * | 2014-01-13 | 2014-04-16 | 南部县德美金属有限公司 | Aluminum alloy casting process |
| CN106014594A (en) * | 2016-06-17 | 2016-10-12 | 安徽天祥空调科技有限公司 | Integrally formed water chamber for automobile radiator |
| CN106435298A (en) * | 2016-09-14 | 2017-02-22 | 广东豪美铝业股份有限公司 | Aluminium alloy applied to aluminium alloy box body profiles of automobiles and preparation method of aluminium alloy |
| CN106435298B (en) * | 2016-09-14 | 2018-05-15 | 广东豪美新材股份有限公司 | It is a kind of to apply in aluminium alloy of aluminium alloy car babinet section bar and preparation method thereof |
| CN106756314A (en) * | 2016-11-11 | 2017-05-31 | 湖北万佳宏铝业股份有限公司 | A kind of aluminium alloy for having decoration and electromagnetic protection effect concurrently and preparation method thereof |
| CN108239713A (en) * | 2018-03-04 | 2018-07-03 | 广西平果百矿高新铝业有限公司 | A kind of electronic product appearance aluminum alloy plate materials and its production technology |
| CN108660345A (en) * | 2018-05-18 | 2018-10-16 | 江苏江南创佳型材有限公司 | A kind of aluminium alloy extrusions and preparation method thereof of low Vickers hardness |
| CN110872666B (en) * | 2019-12-05 | 2022-02-18 | 江苏中福铝镁科技有限公司 | Forming method of narrow aluminum plate for bending |
| CN110872666A (en) * | 2019-12-05 | 2020-03-10 | 江苏中福铝镁科技有限公司 | Narrow aluminum plate for bending and forming method thereof |
| CN112143946A (en) * | 2020-09-11 | 2020-12-29 | 湖南海铝精密工业股份有限公司 | High-thermal-conductivity high-strength aluminum alloy material, preparation method thereof and application thereof in radiator |
| CN112453095A (en) * | 2020-11-13 | 2021-03-09 | 辽宁忠旺集团有限公司 | Process for reducing coarse crystal layers at free ends of profiles for tracks |
| CN114318085A (en) * | 2021-08-12 | 2022-04-12 | 上海蔚兰动力科技有限公司 | Aluminium alloy with excellent mechanical and electric heat conductivity and its making method |
| EP4134460A1 (en) * | 2021-08-12 | 2023-02-15 | Shanghai XPT Technology Limited | Aluminum alloy with preferred mechanical property and preferred electrical and thermal conductivity and related manufacturing method |
| TWI818519B (en) * | 2021-08-12 | 2023-10-11 | 大陸商上海蔚蘭動力科技有限公司 | Aluminum alloy with excellent mechanical, electrical and thermal conductivity properties and manufacturing method thereof |
| CN113976652A (en) * | 2021-09-27 | 2022-01-28 | 营口忠旺铝业有限公司 | Extrusion production process of wide radiator |
| CN114635066A (en) * | 2022-03-23 | 2022-06-17 | 山东博源精密机械有限公司 | Al-Si-Fe system motor rotor alloy and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101660883B (en) | 2011-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101660883B (en) | Manufacturing method of vehicle aluminum alloy radiating fin | |
| CN103205611B (en) | Aluminum alloy suitable for producing industrial aluminum strip plates and production process of aluminum alloy | |
| CN106282692B (en) | A kind of preparation method of the vehicle body of railway vehicle aluminium section bar of high bending property | |
| CN101899632B (en) | Production method of 3003 aluminum alloy deep-drawing wafer | |
| CN100404714C (en) | High impact tough alloy material contg. Al, Si, Mgi used for making automobile hub and its producing method | |
| CN103952605B (en) | A kind of preparation method of middle strength aluminium alloy monofilament | |
| CN103484735B (en) | The making method of 6063 aluminium alloys after a kind of optimization | |
| CN105088033A (en) | Aluminium alloy and preparation method thereof | |
| CN103014488B (en) | Die steel for alloy compression casting and processing method thereof | |
| CN104959393A (en) | Production method of aluminium alloy hot extrusion bar used for high-quality aviation blade | |
| CN104745902A (en) | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof | |
| CN101935787A (en) | Aluminum alloy material with high elongation rate | |
| CN103014463A (en) | Processing method of anti-fatigue aluminum alloy foaming die cast | |
| CN105215314A (en) | A kind of auto parts machinery pressure casting method | |
| CN103205615A (en) | 6061 deforming aluminum alloy and production process thereof | |
| CN104745954A (en) | Alloy steel and manufacturing method thereof | |
| CN109972005A (en) | A kind of high conductivity aluminum profile and preparation method | |
| CN106566946A (en) | Rare earth-copper alloy glass mold and preparation method thereof | |
| CN107747066A (en) | Raw nano TiC ceramic particle In-sltu reinforcement casts high chromium hot die steel and preparation method thereof in one kind | |
| CN107815575A (en) | A kind of magnesium alloy ingot casting | |
| CN108660343A (en) | A kind of high tough aluminum alloy materials of automobile specified and manufacturing process | |
| CN108754255A (en) | 6061 aluminium alloys of one kind and its processing method | |
| CN101912877A (en) | Method for deep-drawing 3140 aluminum alloy strip | |
| CN107338379A (en) | A kind of magnesium Tin-zinc-aluminium manganese wrought magnesium alloy and preparation method thereof | |
| CN107893181B (en) | Magnesium alloy ingot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |