CN106119622A - A kind of manufacture method of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing - Google Patents

A kind of manufacture method of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing Download PDF

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Publication number
CN106119622A
CN106119622A CN201610522597.5A CN201610522597A CN106119622A CN 106119622 A CN106119622 A CN 106119622A CN 201610522597 A CN201610522597 A CN 201610522597A CN 106119622 A CN106119622 A CN 106119622A
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China
Prior art keywords
tubing
aluminum alloy
alloy thick
strength
manufacture
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CN201610522597.5A
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Chinese (zh)
Inventor
丁建峰
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无锡市华东电力设备有限公司
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Priority to CN201610522597.5A priority Critical patent/CN106119622A/en
Publication of CN106119622A publication Critical patent/CN106119622A/en

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08Alloys based on aluminium with magnesium as the next major constituent with silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/043Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/047Changing 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/05Changing 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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023Alloys based on aluminium

Abstract

The invention discloses the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing.Comprise the following steps (1) Cast aluminium alloy gold ingot casting;(2) cut woollen, homogenizing processes;(3) extruding aluminium alloy thick-wall tube;(4) Ageing Treatment after aluminum alloy thick wall tubing tension force stretching;(5) aluminum alloy thick wall tubing samples, checks, packs.The product forms that the method is produced, under meeting standard-required, is raised labour productivity, cost-effective, meets user and orders goods demand, and production efficiency improves 13.5 21%, is suitable to industrialized production.

Description

A kind of manufacture method of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing
Technical field
The present invention relates to the preparing technical field of aluminium alloy pipe, particularly relate to a kind of power equipment high strength and high conductivity
The manufacture method of rate aluminum alloy thick wall tubing.
Background technology
Along with the fast development of worldwide machinery manufacturing industry technology, new technique, new material, new technology, to high strength and high conductivity
The demand of rate aluminum alloy thick wall tubing is increasing.At present, the high strength and high conductivity that power equipment and facilities protection use Rate aluminum alloy thick wall tubing, plays vital effect for high-tension bus-bar, cable protection aspect, and high strength and high conductivity rate aluminum closes When gold thick-wall tube is applied in terms of protection of electric power facility, current high strength and high conductivity rate conductor many uses 6063 alloy, 6063 The intensity of alloy is worse than 6082 alloys, although 6082 alloy intensity are high, but owing to this alloying level is high, and quenching sensitive Greatly, being unsuitable for press quenching, during press quenching, intensity reduces, and corrosion resistance is deteriorated, although out-line quenching can improve alloy Intensity, but production efficiency and yield rate reduce, and how press quenching produces 6082 alloy high strength and high conductivity rate thick-wall tubes, makes It possesses that intensity is high, plasticity is good, specific strength is high, high conductivity, high-termal conductivity, corrosion resistance are good, stress-free corrosion ruptures tendency, resists The advantages such as intercrystalline corrosion ability is strong, welding performance good, weld zone corrosion resisting property is constant, machinability is good, are suitable for various forms Surface oxidation preservative treatment, the environment such as air soda acid, heat high and cold, high, humidity, arid, dust storm keep good use Performance, be the present invention need solve problem.
Summary of the invention
The purpose of the present invention is aiming at the defect of above-mentioned existence and provides a kind of power equipment high strength and high conductivity rate aluminum The manufacture method of alloy thick-wall tube.The product forms that the method is produced, under meeting standard-required, is raised labour productivity, Cost-effective, meet user and order goods demand, production efficiency improves 13.5-21%, is suitable to industrialized production.
The manufacture method technical scheme of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing of the present invention is,
Comprise the following steps:
(1) Cast aluminium alloy gold ingot casting, in aluminium alloy cast ingot, the mass percent of element is as follows: Si is 0.7%~1.3%, and Fe is ≤ 0.50%, Cu are≤0.10%, and Mn is 0.4%~1.0%, and Mg is 0.6%~1.2%, and Cr is≤0.25%, Zn For≤0.20%, Ti is≤0.10% single impurity≤0.05%, adds up to impurity≤0.15%, and remaining is Al;
(2) cut woollen, homogenizing processes;
(3) extruding aluminium alloy thick-wall tube, press quenching;
(4) Ageing Treatment after aluminum alloy thick wall tubing tension force stretching;
(5) aluminum alloy thick wall tubing samples, checks, packs.
The aluminium alloy cast ingot of casting is six line aluminium alloys circle ingot castings in step (1), specification be Φ 320mm × 4000mm or
Specification is Φ 380mm × 4000mm.Step (2) cuts woollen particularly as follows: aluminium alloy round cast ingot railway carriage, crop, back-end crop, take low Times, chemical composition, cut woollen, woollen specification is: Φ 308mm × 550~1200mm or Φ 368mm × 650~ 1450mm。
In step (2), homogenizing processes particularly as follows: woollen homogenizing, heating-up temperature: 550-560 DEG C, is incubated more than 9 hours, wind Cold+water-cooled cooling is to room temperature.
Extruding aluminium alloy thick-wall tube in step (3) is specifically, be squeezed on 36MN or 55MN extruder and carry out, and ingot casting heats Temperature 500-540 DEG C, extrusion temperature 500-530 DEG C, outlet temperature 515-530 DEG C, extrusion speed 3 ± 0.5m/min.Step (3) Quench after middle extruding aluminium alloy thick-wall tube, hardening heat 515-530 DEG C, quenching velocity 350-380 DEG C/minute.Step (4) tension force stretching in, extensibility 1.5~3.0%.
Aluminum alloy thick wall tubing Ageing Treatment in step (4) is particularly as follows: aging temp 165~195 DEG C, metal heat preservation
8-12 hour, go out aging furnace.
The power equipment of the present invention manufacture method of high strength and high conductivity rate aluminum alloy thick wall tubing, specifically by following step
Rapid realization:
(1) aluminium alloy cast is six line aluminium alloy circle ingot castings, and in aluminium alloy cast ingot, the mass percent of element is as follows, and: Si is 1.1%~1.25%, Fe are≤0.20%, and Cu is≤0.10%, and Mn is 0.85%~0.95%, Mg be 1.0%~ 1.15%, Cr are≤0.25%, and Zn is≤0.20%, and Ti is≤0.10% single impurity≤0.05%, total impurity≤ 0.15%, remaining is Al;Specification is Φ 320mm × 4000mm or specification is Φ 380mm × 4000mm.No. six aluminium alloys of melting Require to calculate dispensing during circle ingot casting, liquid is skimmed, degasification, requires to filter during casting.
(2) be Φ 320mm × 4000mm by specification or specification is Φ 380mm × 4000mm six aluminium alloy round cast ingot car Skin, crop, back-end crop, taking low power, chemical composition, low power, cut woollen, woollen specification is Φ 308mm × 1200mm or specification is Φ 368mm×1450mm ;Woollen homogenizing, heating-up temperature: 560 ± 5 DEG C, it is incubated more than 9 hours, the type of cooling: air-cooled+water-cooled Cooling.
(3) No. six aluminium alloy round cast ingot of preparation are heated to 533-540 DEG C, are quickly charged with recipient, extrusion temperature
520-530 DEG C, extrusion speed 3 ± 0.5m/min, outlet temperature 515-530 DEG C, hardening heat 530-540 ± 5 DEG C, quenching Speed 360-380 DEG C/minute.
(4) by aluminum alloy thick wall tubing tension force stretching, extensibility 1.5~2.0%, then timeliness: aging temp 190 DEG C, Metal heat preservation 11-12 hour, goes out aging furnace.
(5) Physicochemical test material timeliness come out of the stove, the sample position that the acceptance criteria specified as agreed and drawing specify,
Take physics and chemistry sample, after the detection of whole Physicochemical test is qualified, certain type high strength and high conductivity rate aluminum alloy thick wall tubing surface is examined Look into, dimensional gaughing, passed examination certain type high strength and high conductivity rate aluminum alloy thick wall tubing packaging.
The invention have the benefit that and the invention provides batch production power equipment high strength and high conductivity rate aluminium alloy thickness The technical scheme of wall tube material, the product forms that the method is produced, under meeting standard-required, is raised labour productivity, is saved into This, meet user and order goods demand, and production efficiency improves 13.5-21%, is suitable to industrialized production.
Product tensile strength >=310MPa of the present invention, yield strength >=260MPa, percentage elongation >=8%, Brinell hardness >= 95、
Electrical conductivity >=26MS/m
Detailed description of the invention:
In order to be more fully understood that the present invention, describe technical scheme in detail with instantiation below.
Embodiment 1
The power equipment of the present invention manufacture method of high strength and high conductivity rate aluminum alloy thick wall tubing, the most real Existing:
(1) aluminium alloy cast is six line aluminium alloy circle ingot castings, and in aluminium alloy cast ingot, the mass percent of element is as follows, and: Si is 1.21%, Fe are 0.12%, and Cu is 0.09%, and Mn is 0.91%, and Mg is 1.11%, and Cr is 0.23%, and Zn is 0.159%, and Ti is 0.05% single impurity≤0.05%, adds up to impurity≤0.15%, and remaining is Al;Ingot casting specification is Φ 320mm × 4000mm Or specification is Φ 380mm × 4000mm.Require to calculate dispensing during No. six aluminium alloy round cast ingot of melting, liquid is skimmed, degasification, casting Shi Yaoqiu filters.
(2) be Φ 320mm × 4000mm by specification or specification is Φ 380mm × 4000mm six aluminium alloy round cast ingot car Skin, crop, back-end crop, taking low power, chemical composition, low power, cut woollen, woollen specification is Φ 320mm × 1200mm or specification is Φ 380mm×1450mm ;Woollen homogenizing, heating-up temperature: 560 DEG C, it is incubated more than 9 hours, the type of cooling: air-cooled+water-cooled fall Temperature.
(3) No. six aluminium alloy round cast ingot of preparation are heated to 535 DEG C, are quickly charged with recipient, extrusion temperature
525 DEG C, extrusion speed 3 ± 0.5m/min, outlet temperature 515-530 DEG C, hardening heat 530-540 ± 5 DEG C, quenching velocity 360-380 DEG C/minute.
(4) by aluminum alloy thick wall tubing tension force stretching, extensibility 1.5~2.0%, then timeliness: aging temp 170~
195 DEG C, metal heat preservation 10-12 hour, go out aging furnace.
(5) Physicochemical test material timeliness come out of the stove, the sample position that the acceptance criteria specified as agreed and drawing specify,
Take physics and chemistry sample, after the detection of whole Physicochemical test is qualified, certain type high strength and high conductivity rate aluminum alloy thick wall tubing surface is examined Look into, dimensional gaughing, passed examination certain type high strength and high conductivity rate aluminum alloy thick wall tubing packaging.
In step (1), chemical composition is in the range of national standard, by 6082 high strength and high conductivity rate tubing cast component models
Enclose and narrow, and casting range controls to reach the standard grade in national standard and line on the upper side, it is to avoid due to the excessive ripple of chemical composition Dynamic cause interior tissue uneven and mechanical property scattered error is excessive;Main strengthening Composition Control in reach the standard grade and line on the upper side, mainly It is the intensity in order to improve 6082 alloys, controls Fe, Zn, Ti alloying component the smaller the better, primarily to improve 6082 conjunctions The purity of gold, improves conductivity;Add Cu element, control reaching the standard grade in standard, a small amount of Cu and main strengthening composition Si, Mg In conjunction with, making mechanical property significantly improve, mechanical property can be made close to the performance of duralumin, Cu can neutralize Ti to conductivity not again Good impact;Due to the uncontrollability of Fe element in casting process, making Mn control of element reach the standard grade, Mn participates in invigoration effect, Can eliminate again Fe harmful effect and can crystal grain thinning, make 6082 alloy structures uniformly, combination property improves, according to above-mentioned former The chemical composition then prepared, makes large scale rod bar qualification rate stable more than 93%.In step (2) all fire preparing degree, the type of cooling is Strong wind is cooled to 200 DEG C and adds water-cooled cooling, it is achieved quickly cool down, it is ensured that intensified element at utmost solid solution, reduces operation and waits Time, more than 24 hours, improves production efficiency, and the air-cooled cooling method adding water-cooled, it is possible to reduce or eliminate Fe element Harmful effect after aoxidizing fabricated product, makes high strength and high conductivity rate large scale rod bar be processed into various electric power vigour part rear surface After various oxidations or coating process gloss attractive in appearance, without dark stricture of vagina, concealed wire, not only ensure serviceability but also improve aestheticism;Step (3) Extrusion speed can ensure that outlet temperature, online Water cooling ensures quenching effect, it is ensured that mechanical property is qualified, press quenching Comparing with out-line quenching and can reduce deformation, step (4) makes extensibility between 1.5~2.0%, reduces extensibility and changes greatly The size caused is uneven, it is ensured that persistently during the supply of material, size scattered error is little, and press quenching compares with out-line quenching to reduce to be beaten The times such as head, hanging, out-line quenching intensification, insulation, every batch was reduced activity time more than 10 hours;By above measure, can To realize 6082 high strength and high conductivity rate requirements, make tensile strength >=345MPa, yield strength >=290MPa, percentage elongation >= 15%, Brinell hardness >=100HB, electrical conductivity >=26.3MS/m;National standard requires: tensile strength >=310MPa, surrender Intensity >=260MPa, percentage elongation >=8%, Brinell hardness >=95HB, electrical conductivity >=26.0MS/m.
Existing extrded material does not check to detect a flaw in oxide-film and compound segregation, important parts and simple cross section, and this is high-strength High conductivity thick-wall tube can be detected a flaw, but flaw detection activity time is longer, and making the production cycle extend production cost increases more, because of This increases low power and checks oxide-film and compound segregation, checks with sampling observation and finds metallurgy defect in order to ensure smelting Payment organization quality.

Claims (8)

1. the power equipment manufacture method of high strength and high conductivity rate aluminum alloy thick wall tubing, it is characterised in that include following Step:
(1) Cast aluminium alloy gold ingot casting, in aluminium alloy cast ingot, the mass percent of element is as follows: Si is 0.7%~1.3%, and Fe is ≤ 0.50%, Cu are≤0.10%, and Mn is 0.4%~1.0%, and Mg is 0.6%~1.2%, and Cr is≤0.25%, Zn For≤0.20%, Ti is≤0.10% single impurity≤0.05%, adds up to impurity≤0.15%, and remaining is Al;
(2) cut woollen, homogenizing processes;
(3) extruding aluminium alloy thick-wall tube, press quenching;
(4) Ageing Treatment after aluminum alloy thick wall tubing tension force stretching;
(5) aluminum alloy thick wall tubing samples, checks, packs.
2. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, in step (1), the aluminium alloy cast ingot of casting is six line aluminium alloy circle ingot castings, and specification is Φ 320mm × 4000mm Or specification is Φ 380mm × 4000mm.
3. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, step (2) cuts woollen particularly as follows: aluminium alloy round cast ingot railway carriage, crop, back-end crop, take low power, chemical composition, cut Woollen, woollen specification is: Φ 308mm × 550~1200mm or Φ 368mm × 650~1450mm.
4. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, in step (2), homogenizing processes particularly as follows: woollen homogenizing, heating-up temperature: 550-560 DEG C, be incubated 9 hours with On, air-cooled+water-cooled cooling is to room temperature.
5. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, extruding aluminium alloy thick-wall tube in step (3) specifically, be squeezed on 36MN or 55MN extruder and carry out, Ingot casting heating-up temperature 500-540 DEG C, extrusion temperature 500-530 DEG C, outlet temperature 515-530 DEG C, extrusion speed 3 ± 0.5m/ min。
6. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 5, It is characterized in that, step (3) quenches after extruding aluminium alloy thick-wall tube, hardening heat 515-530 DEG C, quenching velocity 350-380 DEG C/minute.
7. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, tension force stretching in step (4), extensibility 1.5~3.0%.
8. according to the manufacture method of a kind of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing described in claim 1, It is characterized in that, aluminum alloy thick wall tubing Ageing Treatment in step (4) is particularly as follows: aging temp 165-195 DEG C, metal heat preservation 8- 12 hours, go out aging furnace.
CN201610522597.5A 2016-07-06 2016-07-06 A kind of manufacture method of power equipment high strength and high conductivity rate aluminum alloy thick wall tubing CN106119622A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106834983A (en) * 2017-01-04 2017-06-13 广东坚美铝型材厂(集团)有限公司 A kind of method of the press quenching extruding of aluminium alloy
CN106929718A (en) * 2017-04-06 2017-07-07 辽宁忠旺集团有限公司 A kind of wind-power electricity generation aluminium-alloy pipe bus group preparation technology
CN108359859A (en) * 2018-02-01 2018-08-03 深圳市华加日西林实业有限公司 Aluminium alloy extrusions processing technology and aluminium alloy extrusions
CN110172653A (en) * 2019-01-31 2019-08-27 苏州铭恒金属科技有限公司 It is a kind of improve aluminium alloy cast ingot conductivity homogenizing method and the aluminium alloy cast ingot as made from the homogenizing method
CN111690846A (en) * 2020-07-10 2020-09-22 辽宁忠旺集团有限公司 Production process of superhard 6026 aluminum alloy profile

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Publication number Priority date Publication date Assignee Title
JPH09111386A (en) * 1995-10-18 1997-04-28 Pechiney Rhenalu Aluminum-magnesium alloy for welded structure having improved mechanical property
CN102329999A (en) * 2011-07-30 2012-01-25 湖南晟通科技集团有限公司 Manufacture method of electroconductive aluminum alloy section
CN103710584A (en) * 2012-10-05 2014-04-09 现代自动车株式会社 Aluminum alloy composition and heat treatment method of the aluminum alloy composition
CN104131200A (en) * 2014-08-12 2014-11-05 山东裕航特种合金装备有限公司 Manufacturing method of aluminum alloy thick wall tubular product with high strength and high electric conductivity for power equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09111386A (en) * 1995-10-18 1997-04-28 Pechiney Rhenalu Aluminum-magnesium alloy for welded structure having improved mechanical property
CN102329999A (en) * 2011-07-30 2012-01-25 湖南晟通科技集团有限公司 Manufacture method of electroconductive aluminum alloy section
CN103710584A (en) * 2012-10-05 2014-04-09 现代自动车株式会社 Aluminum alloy composition and heat treatment method of the aluminum alloy composition
CN104131200A (en) * 2014-08-12 2014-11-05 山东裕航特种合金装备有限公司 Manufacturing method of aluminum alloy thick wall tubular product with high strength and high electric conductivity for power equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106834983A (en) * 2017-01-04 2017-06-13 广东坚美铝型材厂(集团)有限公司 A kind of method of the press quenching extruding of aluminium alloy
CN106834983B (en) * 2017-01-04 2018-07-20 广东坚美铝型材厂(集团)有限公司 A kind of method that the press quenching of aluminium alloy squeezes
CN106929718A (en) * 2017-04-06 2017-07-07 辽宁忠旺集团有限公司 A kind of wind-power electricity generation aluminium-alloy pipe bus group preparation technology
CN106929718B (en) * 2017-04-06 2019-02-15 辽宁忠旺集团有限公司 A kind of wind-power electricity generation aluminium-alloy pipe bus group preparation process
CN108359859A (en) * 2018-02-01 2018-08-03 深圳市华加日西林实业有限公司 Aluminium alloy extrusions processing technology and aluminium alloy extrusions
CN110172653A (en) * 2019-01-31 2019-08-27 苏州铭恒金属科技有限公司 It is a kind of improve aluminium alloy cast ingot conductivity homogenizing method and the aluminium alloy cast ingot as made from the homogenizing method
CN111690846A (en) * 2020-07-10 2020-09-22 辽宁忠旺集团有限公司 Production process of superhard 6026 aluminum alloy profile

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