CN107552563A - A kind of manufacturing process of short route, inexpensive 5052 H38 aluminium alloy strips - Google Patents
A kind of manufacturing process of short route, inexpensive 5052 H38 aluminium alloy strips Download PDFInfo
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- CN107552563A CN107552563A CN201710721663.6A CN201710721663A CN107552563A CN 107552563 A CN107552563 A CN 107552563A CN 201710721663 A CN201710721663 A CN 201710721663A CN 107552563 A CN107552563 A CN 107552563A
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Abstract
The invention provides the manufacturing process of a kind of short route, inexpensive 5052 H38 aluminium alloy strips, belong to technical field of alloy material, it solves the problems, such as that existing 5052 H38 aluminium alloy strips production procedures are long, cost is high, and the manufacturing process of this 5052 H38 aluminium alloy strips comprises the steps of：A, hot rolling；B, cold rolling；C, cleaning aligning；This manufacturing process has that flow is short, technique is simple, cost is low, energy consumption is low and the advantages of stable performance.
Description
Technical field
The invention belongs to technical field of alloy material, is related to the manufacture of aluminium alloy strips, more particularly to a kind of short route, low
The manufacturing process of cost 5052-H38 aluminium alloy strips.
Background technology
One kind that 5052 aluminium alloys belong in Al-Mg systems alloy, main alloy element are magnesium, due to its have it is good into
Shape processing characteristics, corrosion stability, cold-rolling deformation heat are big, and have moderate strength and preferable plasticity.Manufacture sheet metal component is widely used in,
Instrument, rib support and hardware etc..
The technological process of production of 5052-H38 aluminium alloy strips is mainly in the prior art：Hot rolling-cold rolling-cleaning-stabilization
Annealing-aligning.It is high using the 5052-H38 product processing techniques long flow path of the technique productions, cost.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of short route, low cost, efficiently
Rate, and the manufacturing process of the 5052-H38 aluminium alloy strips of stable performance.
To achieve these goals, the technical solution adopted by the present invention is：
The manufacturing process of a kind of short route, inexpensive 5052-H38 aluminium alloy strips, the technique comprise the following steps：
A, hot rolling：By founding after 5052 al alloy component dispensings into ingot casting, then by milling face, heating, hot roughing, heat essence
Roll into the hot rolling blank that thickness is 3.5~4.5mm, 315 DEG C of finishing temperature ＞.
B, cold rolling：Above-mentioned hot rolling blank is subjected to cold rolling processing, cold rolling processing uses 3~4 passes, last two passage
Continuous rolling, and mill speed is more than 900m/min, the cold processing ratio of last two passage is by every time 35%~40% progress
Control, it is ensured that 120 DEG C of aluminium volume temperature ＞ after cold rolling.The cold deformation heat of 5052 aluminium alloy strips is made full use of to carry out deformation heat
Processing, material is carried out low temperature self annealing using the aluminium volume temperature after cold rolling, eliminate portion of residual stress, and make the mechanics of material
Performance reaches customer requirement.
C, cleaning aligning：The band that above-mentioned cold rolling is processed carries out stretch bending and rectifys cleaning straightening processing acquisition surface, plate shape again
Well, and stable performance product.
By reserving suitable the rate of cold-drawn in step A of the present invention, 5052 aluminium alloys are made to reach required processing technology
Performance, ensure 320 ± 5 DEG C of hot rolling blank finishing temperature before cold rolling is processed, be advantageous to uniform performance, ensure stable performance.
Cold rolling processing uses 4 passes in step B of the present invention, and cogging is rolled to 1.5~1.8mm thickness, last two passage
By using high speed tandem rolling, temperature-controlled rolling, speed control is between 900~1200m/min, to improve 5052 aluminium alloy strips
Finishing temperature；Last two passage is by controlling every time working modulus to make full use of 5052 aluminum alloy strips between 38%~40%
The cold deformation heat of material, thermomechanical treatment, the finishing temperature of 5052 aluminium alloy strips is 120~130 when obtaining mill product
Between DEG C.
In the production method of 5052 above-mentioned aluminium alloy strips, preferably, the hot rolling blank thickness in step A is
4.0mm, finishing temperature are 320 DEG C.
In the production method of 5052 above-mentioned aluminium alloy strips, preferably, the cold rolling processing passage in step B is 4
Passage, cold rolling split rolling method thickness are 1.6mm, and last two passages tandem rolling speed is 1000m/min, and the inferior working modulus in road is
39%.
In the production method of 5052 above-mentioned aluminium alloy strips, preferably, the stretch-bending straightening elongation percentage in step C is set
For 0.20~0.25%.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, 5052-H38 aluminum alloy strips manufacture process of the present invention is simple, process flow is short, production cost is low.
2nd, the relatively conventional technique of 5052-H38 aluminum alloy strips manufacture process of the present invention eliminates cleaning, stabilizing annealing work
Sequence, energy consumption is low, cost is low, with short production cycle.
3rd, the properties of product that 5052-H38 aluminum alloy strips manufacture process of the present invention is obtained are stable, and intensity is high, elongation percentage
Height, buckling performance are good.
Embodiment
Below by specific implementation case, further specific illustrate is made to the process program of the present invention.
Embodiment 1
According to 5052-H38 aluminium alloy strips production technology of the present invention, from the hot rolling blank that thickness is 4.0mm.Then pass through
60% cold working rate cogging is crossed to 1.6mm thickness, by the cold rolling again of the band after cold rolling, by the passages of 1.60-0.96-0.60 two
High speed tandem rolling, mill speed 1000m/min, pass reduction 39%, it is rolled to finished product thickness；Pass through drawing again after placing 24h
Curved aligning process cleaning aligns simultaneously trimming to finished width.
Embodiment 2
According to 5052-H38 aluminium alloy strips production technology of the present invention, from the hot rolling blank that thickness is 4.5mm.Then pass through
60% cold working rate cogging is crossed to 1.8mm thickness, by the cold rolling again of the band after cold rolling, by the passages of 1.80-1.15-0.70 two
High speed tandem rolling, mill speed 1000m/min, final pass working modulus are 39%, are rolled to finished product thickness.Passed through again after placing 24h
Cross the cleaning of stretch-bending straightening process and align simultaneously trimming to finished width.
Embodiment 3
According to 5052-H38 aluminium alloy strips production technology of the present invention, from the hot rolling blank that thickness is 3.5mm.Then pass through
60% cold working rate cogging is crossed to 1.4mm thickness, by the cold rolling again of the band after cold rolling, by the passages of 1.40-0.84-0.50 two
High speed tandem rolling, mill speed 1000m/min, final pass working modulus are 40%, are rolled to finished product thickness；Passed through again after placing 24h
Cross the cleaning of stretch-bending straightening process and align simultaneously trimming to finished width.
Randomly select 5052 aluminium alloy strips products of case study on implementation 1-3 productions, its mechanical property and buckling performance test
As a result it is as shown in table 1：
Table 1：5052 aluminium alloy strips mechanical property produced by the invention and buckling performance.
| Performance | Tensile strength/MPa | Yield strength/MPa | Elongation percentage/% | 90 ° of bendings |
| Finished product | 290-310 | 255-270 | 6.5-7.5 | R0.5 one-levels |
Specific embodiment described in the present invention is only to spirit explanation for example of the invention.The technical field of the invention
Technical staff the specific embodiment described more can be made it is various modification supplement or using similar mode substitute,
But without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although the present invention is made a detailed description and has been cited some specific embodiments, to the skilled skill in this area
For art personnel, as long as it is obvious that can make various changes or correct without departing from the spirit and scope of the present invention.
Claims (4)
- A kind of 1. manufacturing process of short route, inexpensive 5052-H38 aluminium alloy strips, it is characterised in that including：A, hot rolling：By founding after 5052 al alloy component dispensings into ingot casting, then rolled by milling face, heating, hot roughing, hot finishing Into the hot rolling blank that thickness is 3.5~4.5mm, 315 DEG C of finishing temperature ＞；B, cold rolling：Above-mentioned hot rolling blank is subjected to cold rolling processing, cold rolling, which is processed, uses 3~4 passes, and last two passage is continuous Rolling, and mill speed ＞ 900m/min, the cold processing ratio of last two passage 35%~40% are controlled by every time, really Cold insulation rolls rear 120 DEG C of aluminium volume temperature ＞；C, cleaning aligning：The band that above-mentioned cold rolling is processed carries out stretch bending and rectifys cleaning straightening processing to obtain surface, plate shape good again, And the product of stable performance.
- 2. short route, the manufacturing process of inexpensive 5052-H38 aluminium alloy strips according to claim 1, it is characterised in that In the step A, hot rolling blank thickness is 4.0mm, 320 ± 5 DEG C of finishing temperature.
- 3. short route, the manufacturing process of inexpensive 5052-H38 aluminium alloy strips according to claim 1, it is characterised in that In the step B, it is 900~1000m/ that cold rolling processing, which uses 4 passes, last two passages continuous rolling, and mill speed, Min, the cold processing ratio of last two passage 38%~40% are controlled by every time, it is ensured that aluminium rolls up temperature 120 after cold rolling Between~130 DEG C.
- 4. short route, the manufacturing process of inexpensive 5052-H38 aluminium alloy strips according to claim 1, it is characterised in that In the step B, cold rolling processing cogging is rolled to 1.5~1.8mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721663.6A CN107552563A (en) | 2017-08-22 | 2017-08-22 | A kind of manufacturing process of short route, inexpensive 5052 H38 aluminium alloy strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721663.6A CN107552563A (en) | 2017-08-22 | 2017-08-22 | A kind of manufacturing process of short route, inexpensive 5052 H38 aluminium alloy strips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107552563A true CN107552563A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721663.6A Pending CN107552563A (en) | 2017-08-22 | 2017-08-22 | A kind of manufacturing process of short route, inexpensive 5052 H38 aluminium alloy strips |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050005433A1 (en) * | 2003-05-13 | 2005-01-13 | Elder Danny S. | Process of producing overhead transmission conductor |
| CN103014454A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | Production method of 5052-H34 aluminum alloy plate strip |
| CN103071676A (en) * | 2012-12-27 | 2013-05-01 | 西南铝业（集团）有限责任公司 | Production process of aluminum base material used for curtain wall |
| CN105537870A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method of 5052 aluminum alloy tank cover base material |
| CN105618482A (en) * | 2015-12-21 | 2016-06-01 | 山东南山铝业股份有限公司 | Production method for 5182 aluminum alloy cover base material |
-
2017
- 2017-08-22 CN CN201710721663.6A patent/CN107552563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050005433A1 (en) * | 2003-05-13 | 2005-01-13 | Elder Danny S. | Process of producing overhead transmission conductor |
| CN103014454A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | Production method of 5052-H34 aluminum alloy plate strip |
| CN103071676A (en) * | 2012-12-27 | 2013-05-01 | 西南铝业（集团）有限责任公司 | Production process of aluminum base material used for curtain wall |
| CN105537870A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method of 5052 aluminum alloy tank cover base material |
| CN105618482A (en) * | 2015-12-21 | 2016-06-01 | 山东南山铝业股份有限公司 | Production method for 5182 aluminum alloy cover base material |
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Application publication date: 20180109 |