CN107099704A - A kind of preparation method of the big specification Al Mg Si Mn alloy pipes of Weaving device - Google Patents
A kind of preparation method of the big specification Al Mg Si Mn alloy pipes of Weaving device Download PDFInfo
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/04—Cooling or heating of press heads, dies or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
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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
- C22C21/02—Alloys based on aluminium with silicon 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
- 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
- C22F1/002—Changing 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
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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
- C22F1/043—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 silicon 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
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- 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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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Abstract
The present invention relates to the preparing technical field of alloy profile, the preparation method of the big specification Al Mg Si Mn alloy pipes of specifically related to a kind of Weaving device, specific steps include casting ingot casting, mould heating, recipient heating, ingot casting heating, extruding production, online accurate quenching, tension straingtening, finished product sawing, artificial aging, performance detection, packaging and storage；The component and percentage by weight of big specification Al Mg Si Mn alloys of the present invention be：Mg:0.7 1.1%, Si:0.8 1.2%, Mn:0.4 0.5%, Fe≤0.5%；And also contain following one or more kinds of elements：Cr≤0.10%、Zn≤0.05%、Cu≤0.05%、Ti≤0.05%、V≤0.03%；Remaining is Al；Compared with traditional pressing method, the present invention have adjusted Al Mg Si Mn alloying components and the processing range of each extrusion process, process control procedure is finer, while the stability of production is ensured, using accurate online water spray quenching, mechanical property is more preferably, it is ensured that tubing has good uniformity after extruding, and greatly improves production efficiency.
Description
Technical field
The present invention relates to the preparing technical field of alloy profile, and in particular to a kind of Weaving device is with big specification Al-Mg-
The preparation method of Si-Mn alloy pipes.
Background technology
Compared with other aluminium alloys, Al-Mg-Si-Mn alloy strengths are moderate, welding performance is excellent, have been widely used in
The fields such as Weaving device.But the alloy requires rational extrusion temperature and extrusion speed, higher is required to extrusion process control,
Quenching sensitive is big, it is impossible to the mechanical property requirements of product are reached by common press quenching, causes weaving pipe to be revolved in high speed
Turn over performance in journey unstable, industrialized production product can only be produced by out-line quenching, at the same time out-line quenching tubing becomes
Shape is serious, and tubing precision is poor, and kind ovality can only be rectified and improved by subsequent fine, production efficiency is substantially reduced.
The Weaving device aluminium alloy pipe pressing method of current industrialized production, comprises the following steps：A, ingot casting add
Heat-b, mould heating-c, recipient heating-d, extruding production-e, on-line cooling-f, interruption change ingot-g, quenched offline
Fire-h, tension straingtening-i, finished product sawing-j, size and morpheme detection-k, finishing-l, frame up-m, timeliness-n, bag
Load storehouse.But there are following technical disadvantages in existing extrusion process：
（1）In regular industrial production, the links control range of extrusion process is relatively wide, it is impossible to ensure that Weaving device is managed
The properties of material, production stability is poor；
（2）Extruding production tubing out-line quenching deformation is larger, it is impossible to ensures the dimensional accuracy of tubing, need to pass through follow-up finishing ability
Meet and require, production efficiency is relatively low.
The content of the invention
It is for solution the invention provides a kind of preparation method of Weaving device with big specification Al-Mg-Si-Mn alloy pipes
Certainly above traditional extrusion process press quenching performance is unstable, and out-line quenching deforms wretched insufficiency and developed, and the purpose is to carry
Stability between the combination property of high Weaving device tubing, the uniformity of control mechanics performance, batch, so as to improve
The quality of Weaving device pipe material product, concrete technical scheme is as follows：
A kind of Weaving device is comprised the following steps with the preparation method of big specification Al-Mg-Si-Mn alloy pipes：
（1）Cast ingot casting：The alloy of casting is big specification Al-Mg-Si-Mn alloy cast ingots, and the big specification Al-Mg-Si-Mn is closed
Gold component and percentage by weight be：Mg:0.6-1.2%, Si:0.7-1.3%, Mn:0.4-0.5%, Fe≤0.7%；And contain
Following one or more kinds of elements：Cr≤0.10%、Zn≤0.20%、Cu≤0.1%、Ti≤0.15%、V≤0.05%、Sc≤
0.25%、Ag≤0.25%；Remaining is Al；Extrude the length that ingot casting uses 600mm-2000mm；
（2）Mould is heated：Mould is heated to 400 DEG C -520 DEG C in heating furnace, is incubated 4h ~ 28h；
（3）Recipient is heated：Recipient temperature control is at 300 DEG C -450 DEG C；
（4）Ingot casting is heated：Make ingot casting head and tail temperature difference between 3 DEG C -50 DEG C using the method for gradient-heated, ingot casting is in heating furnace
Heating and temperature control at 440 DEG C -530 DEG C；
（5）Extruding production：Ingot casting, mould heating are completed, and upper mould is extruded after recipient reaches corresponding temperature, extruding speed
Degree control is in 0.8m/min-6.0m/min；
（6）Online accurate quenching：Ensure that section bar cooling inlet temperature is 515 DEG C -545 DEG C, quenching mode selects surrounding fountain
Water spray quenching, pipe is uniformly cooled down, quenching rate：250℃/min-350℃/min；
（7）Tension straingtening：In the case where ensureing that section bar is stretched, restrained stretching rate exists：0.5%-3%；
（8）Finished product sawing：Carry out finished product sawing, sampling, dipping and frame up；
（9）Artificial aging：Aging temp is 80 DEG C -220 DEG C, and soaking time is 2h-20h.
Further, the step（1）In big specification Al-Mg-Si-Mn alloy cast ingots pipe external diametrical extent：Ø300mm-Ø
500mm, wall thickness 8mm-30mm.
Further, the step（1）In big specification Al-Mg-Si-Mn alloys component and percentage by weight be：Mg:0.7-
1.1%, Si:0.8-1.2%, Mn:0.4-0.5%, Fe≤0.5%；And also contain following one or more kinds of elements：Cr≤
0.10%、Zn≤0.05%、Cu≤0.05%、Ti≤0.05%、V≤0.03%；Remaining is Al.
Further, the step（1）Middle extruding ingot casting uses 600mm-1800mm length.
Further, the step（2）Middle mould is heated to 465 DEG C -520 DEG C in heating furnace.
Further, the step（3）Middle recipient temperature control is at 300 DEG C -395 DEG C.
Further, the step（4）The method of middle use gradient-heated makes ingot casting head and tail temperature difference between 6 DEG C -50 DEG C, casting
Heating and temperature control of the ingot in heating furnace is at 455 DEG C -525 DEG C.
Further, the step（5）Middle ingot casting, mould heating are completed, and upper mould enters after recipient reaches corresponding temperature
Row extruding, extrusion speed is controlled in 1.1m/min-6.0m/min.
Further, the step（7）In in the case where ensureing that section bar is stretched restrained stretching rate exist：0.6%-2.5%.
Further, the step（9）Middle aging temp is 110 DEG C -195 DEG C, and soaking time is 5h-19h.
The present invention proposes a kind of Weaving device preparation method of big specification Al-Mg-Si-Mn alloy pipes, reasonable selection
Ingot casting heating-up temperature and extrusion speed, it is ensured that the stabilization of extrusion process and big specification Al-Mg-Si-Mn alloy pipes it is comprehensive
Energy；Using accurate online water smoke solution hardening, solid solubility temperature precision is high, and cooldown rate is fast, and pipe cooling is uniform, and production is effectively ensured
Moral character can be stablized and uniformity, and dimensional accuracy is high, greatly improves production efficiency；
Compared with traditional pressing method, the present invention have adjusted Al-Mg-Si-Mn alloying components and the work of each extrusion process
Skill scope, process control procedure is finer, while the stability of production is ensured, using accurate online water spray quenching, power
Learn performance more preferably, it is ensured that tubing has good uniformity after extruding, and greatly improves production efficiency.
Brief description of the drawings
Accompanying drawing 1 is a kind of flow of the Weaving device of the invention with the preparation method of big specification Al-Mg-Si-Mn alloy pipes
Figure.
Embodiment
In order to be better understood from the present invention, the invention will be further described with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1：
The preparation method of the big specification Al-Mg-Si-Mn alloy pipes of a kind of Weaving device, as shown in figure 1, comprising the following steps：
（1）Ingot casting is cast, the alloy of casting is big specification Al-Mg-Si-Mn alloy cast ingots, big specification Al-Mg-Si-Mn alloys casting
The pipe external diameter of ingot is 400mm, wall thickness 15mm；The component and percentage by weight of big specification Al-Mg-Si-Mn alloy cast ingots be：
Mg is that 0.98%, Si is that 0.95%, Mn is that 0.46%, Fe is that 0.15%, Cr is that 0.05%, Zn is that 0.03%, Cu is that 0.03%, Ti is
0.03%, V are 0.02, and remaining is Al；
（2）Mould is heated：Mould is heated to 490 DEG C in heating furnace, 12h is incubated；
（3）Recipient is heated：Recipient is heated, recipient temperature control is at 390 DEG C；
（4）Ingot casting is heated：Length is heated for 1800mm ingot casting, using the method for gradient-heated, head and tail temperature difference is 20 DEG C, casting
Heating and temperature control of the ingot in heating furnace is at 510 DEG C；
（5）Extruding production：After the completion of ingot casting, mould heating, upper mould is extruded after recipient to temperature, extrusion speed control
In 3m/min；
（6）Online accurate quenching：Section bar cools down 530 DEG C of inlet temperature, and quenching mode is surrounding fountain water spray quenching, and pipe is equal
Even cooling, quenching rate：300℃/min；
（7）Tension straingtening：In the case where ensureing that section bar is stretched, restrained stretching rate is 1.5%；
（8）Finished product sawing：Carry out finished product sawing, sampling, dipping and frame up；
（9）Artificial aging：185 DEG C of aging temp, soaking time is 6h, cooling packing of coming out of the stove storage；
（10）Performance detection：Properties of sample is detected after timeliness is come out of the stove；
（11）Packaging and storage：Qualified products packaging and storage.
Using above-mentioned Weaving device big specification Al- made from the preparation method of big specification Al-Mg-Si-Mn alloy pipes
The mechanical property of Mg-Si-Mn alloy pipes is as shown in table 1：
Embodiment 2：
A kind of Weaving device preparation method of big specification Al-Mg-Si-Mn alloy pipes, comprises the following steps：
（1）Ingot casting is cast, the alloy of casting is big specification Al-Mg-Si-Mn alloy cast ingots, big specification Al-Mg-Si-Mn alloys casting
The pipe external diameter of ingot is 300mm, wall thickness 8mm；The component and percentage by weight of big specification Al-Mg-Si-Mn alloy cast ingots be：Mg
It is that 0.8%, Mn is that 0.4%, Fe is that 0.15%, Cr is that 0.05%, Zn is that 0.03%, Cu is that 0.03%, Ti is 0.03%, V for 0.7%, Si
For 0.02, remaining is Al；
（2）Mould is heated：Mould is heated to 465 DEG C in heating furnace, 12h is incubated；
（3）Recipient is heated：Recipient is heated, recipient temperature control is at 300 DEG C；
（4）Ingot casting is heated：Length is heated for 600mm ingot casting, using the method for gradient-heated, head and tail temperature difference is 6 DEG C, ingot casting
Heating and temperature control in heating furnace is at 455 DEG C；
（5）Extruding production：After the completion of ingot casting, mould heating, upper mould is extruded after recipient to temperature, extrusion speed control
In 1.1m/min；
（6）Online accurate quenching：Section bar cools down 530 DEG C of inlet temperature, and quenching mode is surrounding fountain water spray quenching, and pipe is equal
Even cooling, quenching rate：250℃/min；
（7）Tension straingtening：In the case where ensureing that section bar is stretched, restrained stretching rate is 0.6%；
（8）Finished product sawing：Carry out finished product sawing, sampling, dipping and frame up；
（9）Artificial aging：195 DEG C of aging temp, soaking time is 5h, cooling packing of coming out of the stove storage；
（10）Performance detection：Properties of sample is detected after timeliness is come out of the stove；
（11）Packaging and storage：Qualified products packaging and storage.
Using above-mentioned Weaving device big specification Al- made from the preparation method of big specification Al-Mg-Si-Mn alloy pipes
The mechanical property of Mg-Si-Mn alloy pipes is as shown in table 2：
Embodiment 3：
A kind of Weaving device preparation method of big specification Al-Mg-Si-Mn alloy pipes, comprises the following steps：
（1）Ingot casting is cast, the alloy of casting is big specification Al-Mg-Si-Mn alloy cast ingots, big specification Al-Mg-Si-Mn alloys casting
The pipe external diameter of ingot is 500mm, wall thickness 30mm；The component and percentage by weight of big specification Al-Mg-Si-Mn alloy cast ingots be：
Mg is that 1.1%, Si is that 1.2%, Mn is that 0.5%, Fe is that 0.15%, Cr is that 0.05%, Zn is that 0.03%, Cu is that 0.03%, Ti is 0.03%,
V is 0.02, and remaining is Al；
（2）Mould is heated：Mould is heated to 520 DEG C in heating furnace, 12h is incubated；
（3）Recipient is heated：Recipient is heated, recipient temperature control is at 395 DEG C；
（4）Ingot casting is heated：Length is heated for 1800mm ingot casting, using the method for gradient-heated, head and tail temperature difference is 50 DEG C, casting
Heating and temperature control of the ingot in heating furnace is at 525 DEG C；
（5）Extruding production：After the completion of ingot casting, mould heating, upper mould is extruded after recipient to temperature, extrusion speed control
In 6m/min；
（6）Online accurate quenching：Section bar cools down 530 DEG C of inlet temperature, and quenching mode is surrounding fountain water spray quenching, and pipe is equal
Even cooling, quenching rate：350℃/min；
（7）Tension straingtening：In the case where ensureing that section bar is stretched, restrained stretching rate is 2.5%；
（8）Finished product sawing：Carry out finished product sawing, sampling, dipping and frame up；
（9）Artificial aging：110 DEG C of aging temp, soaking time is 19h, cooling packing of coming out of the stove storage；
（10）Performance detection：Properties of sample is detected after timeliness is come out of the stove；
（11）Packaging and storage：Qualified products packaging and storage.
Using above-mentioned Weaving device big specification Al- made from the preparation method of big specification Al-Mg-Si-Mn alloy pipes
The mechanical property of Mg-Si-Mn alloy pipes is as shown in table 3：
The conventional textile equipment Al-Mg-Si-Mn alloy pipes of certain brand, heat → extrude → quench online through ingot casting on the market
Fire → tension straingtening → finished product sawing → sampling → dipping → frames up → artificial aging → packaging and storage, its mechanical property such as table 4
It is shown：
The conventional textile equipment Al-Mg-Si-Mn alloy pipes of certain brand, cast ingot casting → mould heating → are squeezed on the market
Pressure cylinder heating → ingot casting heating → extruding production → on-line cooling → interruption → dipping → out-line quenching → tension straingtening → finished product
Sawing → sampling → dipping → finishing → frames up → artificial aging → performance detection → packaging and storage, its mechanical property such as institute of table 5
Show：
Table 1, table 2, table 3 prove compared with table 4, table 5, reasonable selection ingot casting heating-up temperature and extrusion speed, it is ensured that extruding
The combination property of the stabilization of process and good big specification Al-Mg-Si-Mn alloy pipes.
The present invention is not limited to above-described embodiment, the foregoing is only the preferable case study on implementation of the present invention
, it is not intended to limit the invention, any modification for being made within the spirit and principles of the invention, equivalent substitution and changes
Enter, should be included in the scope of the protection.
Claims (10)
1. a kind of Weaving device preparation method of big specification Al-Mg-Si-Mn alloy pipes, it is characterised in that：Including following step
Suddenly：
（1）Cast ingot casting：The alloy of casting is big specification Al-Mg-Si-Mn alloy cast ingots, and the big specification Al-Mg-Si-Mn is closed
Gold component and percentage by weight be：Mg:0.6-1.2%, Si:0.7-1.3%, Mn:0.4-0.5%, Fe≤0.7%；And contain
Following one or more kinds of elements：Cr≤0.10%、Zn≤0.20%、Cu≤0.1%、Ti≤0.15%、V≤0.05%、Sc≤
0.25%、Ag≤0.25%；Remaining is Al；Extrude the length that ingot casting uses 600mm-2000mm；
（2）Mould is heated：Mould is heated to 400 DEG C -520 DEG C in heating furnace, is incubated 4h ~ 28h；
（3）Recipient is heated：Recipient temperature control is at 300 DEG C -450 DEG C；
（4）Ingot casting is heated：Make ingot casting head and tail temperature difference between 3 DEG C -50 DEG C using the method for gradient-heated, ingot casting is in heating furnace
Heating and temperature control at 440 DEG C -530 DEG C；
（5）Extruding production：Ingot casting, mould heating are completed, and upper mould is extruded after recipient reaches corresponding temperature, extruding speed
Degree control is in 0.8m/min-6.0m/min；
（6）Online accurate quenching：Ensure that section bar cooling inlet temperature is 515 DEG C -545 DEG C, quenching mode selects surrounding fountain
Water spray quenching, pipe is uniformly cooled down, quenching rate：250℃/min-350℃/min；
（7）Tension straingtening：In the case where ensureing that section bar is stretched, restrained stretching rate exists：0.5%-3%；
（8）Finished product sawing：Carry out finished product sawing, sampling, dipping and frame up；
（9）Artificial aging：Aging temp is 80 DEG C -220 DEG C, and soaking time is 2h-20h.
2. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（1）In big specification Al-Mg-Si-Mn alloy cast ingots pipe external diametrical extent：300mm- 500mm,
Wall thickness 8mm-30mm.
3. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（1）In big specification Al-Mg-Si-Mn alloys component and percentage by weight be：Mg:0.7-1.1%,
Si:0.8-1.2%, Mn:0.4-0.5%, Fe≤0.5%；And also contain following one or more kinds of elements：Cr≤
0.10%、Zn≤0.05%、Cu≤0.05%、Ti≤0.05%、V≤0.03%；Remaining is Al.
4. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（1）Middle extruding ingot casting uses 600mm-1800mm length.
5. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（2）Middle mould is heated to 465 DEG C -520 DEG C in heating furnace.
6. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（3）Middle recipient temperature control is at 300 DEG C -395 DEG C.
7. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（4）The method of middle use gradient-heated makes ingot casting head and tail temperature difference between 6 DEG C -50 DEG C, and ingot casting is adding
Heating and temperature control in hot stove is at 455 DEG C -525 DEG C.
8. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（5）Middle ingot casting, mould heating are completed, and upper mould is extruded after recipient reaches corresponding temperature,
Extrusion speed is controlled in 1.1m/min-6.0m/min.
9. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes, its
It is characterised by：The step（7）In in the case where ensureing that section bar is stretched restrained stretching rate exist：0.6%-2.5%.
10. a kind of Weaving device according to claim 1 preparation method of big specification Al-Mg-Si-Mn alloy pipes,
It is characterized in that：The step（9）Middle aging temp is 110 DEG C -195 DEG C, and soaking time is 5h-19h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559886A (en) * | 2018-03-12 | 2018-09-21 | 广西平果百矿高新铝业有限公司 | A kind of Al-Mg-Si-Mn alloy extrusions bar and its manufacturing method |
| CN110042285A (en) * | 2019-05-23 | 2019-07-23 | 江苏亨通电力特种导线有限公司 | Rivet high-strength aluminium-magnesium alloy wire and preparation method thereof |
| CN111560546A (en) * | 2020-04-29 | 2020-08-21 | 广东凤铝铝业有限公司 | Aluminum alloy with high crushing performance and preparation method of section bar of aluminum alloy |
| CN112301257A (en) * | 2020-09-27 | 2021-02-02 | 辽宁忠旺集团有限公司 | Production method of aluminum alloy pipe |
| CN112626428A (en) * | 2019-08-01 | 2021-04-09 | 安有碧 | High-efficient aluminium alloy heat treatment device |
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| CN103602863A (en) * | 2013-11-29 | 2014-02-26 | 辽宁忠旺集团有限公司 | Process for producing thin-walled aluminum alloy tube material |
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| CN103602863A (en) * | 2013-11-29 | 2014-02-26 | 辽宁忠旺集团有限公司 | Process for producing thin-walled aluminum alloy tube material |
| CN105838938A (en) * | 2016-05-31 | 2016-08-10 | 广西南南铝加工有限公司 | Preparing method for 6-series aluminum alloy sectional bar |
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| CN108559886A (en) * | 2018-03-12 | 2018-09-21 | 广西平果百矿高新铝业有限公司 | A kind of Al-Mg-Si-Mn alloy extrusions bar and its manufacturing method |
| CN110042285A (en) * | 2019-05-23 | 2019-07-23 | 江苏亨通电力特种导线有限公司 | Rivet high-strength aluminium-magnesium alloy wire and preparation method thereof |
| CN110042285B (en) * | 2019-05-23 | 2020-03-24 | 江苏亨通电力特种导线有限公司 | High-strength aluminum-magnesium alloy wire for rivet and preparation method thereof |
| CN112626428A (en) * | 2019-08-01 | 2021-04-09 | 安有碧 | High-efficient aluminium alloy heat treatment device |
| CN112626428B (en) * | 2019-08-01 | 2021-11-30 | 江西省虹鑫铝业有限公司 | High-efficient aluminium alloy heat treatment device |
| CN111560546A (en) * | 2020-04-29 | 2020-08-21 | 广东凤铝铝业有限公司 | Aluminum alloy with high crushing performance and preparation method of section bar of aluminum alloy |
| CN112301257A (en) * | 2020-09-27 | 2021-02-02 | 辽宁忠旺集团有限公司 | Production method of aluminum alloy pipe |
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