CN106583450A - Production technology for 5182 alloy wide-range thin strip - Google Patents
Production technology for 5182 alloy wide-range thin strip Download PDFInfo
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- CN106583450A CN106583450A CN201611224922.6A CN201611224922A CN106583450A CN 106583450 A CN106583450 A CN 106583450A CN 201611224922 A CN201611224922 A CN 201611224922A CN 106583450 A CN106583450 A CN 106583450A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/10—Compression, e.g. longitudinal compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/06—Product speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a production technology for a 5182 alloy wide-range thin strip. The production technology comprises the following steps that firstly, a 5182 alloy ingot is subjected to surface milling, and an oxidization layer on the surface is removed; secondly, the 5182 alloy ingot is pushed into a heating furnace to be heated to 450 DEG C to 540 DEG C, and heat preservation is conducted for 3-8 h; thirdly, the 5182 alloy ingot is subjected to hot rolling through a reversible roughing mill to become an intermediate billet with the thickness being 23 mm, and the temperature of the intermediate billet obtained after rolling is not smaller than 380 DEG C; and fourthly, the intermediate billet is rolled into a hot-rolled roll finished product with the thickness being 2.6 mm through a three-rack continuous rolling machine, and the hot-rolled roll final rolling temperature is controlled to range from 300 DEG C to 340 DEG C. By means of the production technology for the 5182 alloy wide-range thin strip, the production period is effectively shortened, the production cost is reduced, the hot-rolled roll finished product obtained through production is good in plate shape and surface quality, the finished product forming performance is improved, and the subsequent cover manufacturing production requirement is met.
Description
Technical field
The present invention relates to a kind of 5182 alloy wide-thin band production technology.
Background technology
5xxx line aluminium alloys belong to the Al-Mg alloys in wrought aluminium alloy, are the alloys that heat treatment can not be strengthened, and this is to close
Gold utensil has moderate strength, and corrosion resistance, processing characteristics and good welding performance are widely used.5052,5182 grades are strong because of its
Degree is high, good moldability, is widely used in cover of pop can material.5052 aluminium alloys are mainly used in noncarbonated beverage products lid and food lid;
5182 aluminium alloys are mainly used in soda pop, medicated beer cover and draw ring due to having higher intensity compared with 5052 aluminium alloys.5182
Aluminium alloy cover, draw ring material mainly for the manufacture of full-aluminium can and the cover and draw ring of can, full-aluminium can also known as
Seamless tin (two pieces can), is made up of can body with cover, and they are respectively not with different aluminium alloy strips
Manufacture on same production line.Can body be thick 0.25mm～0.29mm the aluminium alloy strips of 3104-H 19;Lid is
The aluminium alloy strips of 5182-H 19 of thick below 0.27mm;And draw ring and sealing sheet material then aluminium alloy strips of multiplex 5182-H 19
Manufacture, cap liner-ring pull combination part may be simply referred to as draw ring.
80～nineties of 20th century, the consumption of whole world pop can was sharply increased.Since the eighties in 20th century, in world's drink
Aluminium ring pull end occupies absolute advantagess status on material packaging market.While global pop can market is flourished, aluminium pot base
The thinning of material thickness is also evolving, and the 5182 alloy cover material base material thickness country is gradually thinned to by 0.27mm
0.224mm, currently develops to 0.218mm, 0.216mm, and external 5182 alloy cover material base material has been thinned to 0.205mm,
Base material it is thinning, the properties of material are put forward higher requirement, it is desirable to material have higher intensity, more preferable molding
Property, more preferable resistance to cooking performance, wherein hot rolling blank thickness is larger to the performance impact of material, and finished product thickness is thinning, hot rolling base
Material thickness needs further thinning.
5182 alloy Mg contents belong to harder alloy 4.0～5.0% in aluminum hot-rolled process, and alloy strength is high, deformation
Drag is big, and raw edges tendency is big, especially wide size ingot-casting（Ingot casting width is more than 1700mm）, roll difficulty greatly, and Mg elements exist
Oxidizable during hot rolling, aluminium lamination is easily loose to come off to cause Heat Working Rolls surface to be glued, and press-in surface of aluminum plate forms Black strip, causes
Cover material finished surface Black strip cannot meet requirement.
5182 alloy 0.27mm cover material production typical process be：Melting-casting-sawing milling face-heating-hot rolling is rolled
To 3.0mm hot rolled coils-cold rolling 5 passage to 0.27mm- stretch-bending straightenings-cut open bar-packaging；Wherein hot rolling blank thickness must assure that
Below 3.0mm, end properties and mouldability could meet the requirement of downstream Zhi Gai factories after cold rolling, if hot rolled coil blank is thick
Degree is more than 3.0mm, then end properties are higher, and material mouldability is drastically reduced, and easily occurs broken lid during the lid of downstream, splits lid etc. and lack
Fall into, need to increase a nitrogen in 2.8～3.0mm during cold rolling production and protect intermediate annealing, production cost will be caused to increase, output week
Phase lengthens.
The content of the invention
In view of this, it is an object of the invention to provide a kind of 5182 alloy wide-thin band production technology, can produce plate shape
The hot rolled coil finished product good with surface quality, improves finished product processability.
The present invention is realized using below scheme：A kind of 5182 alloy wide-thins band production technology, comprises the following steps：（1）
5182 alloy cast ingots are carried out into surface milling, the oxide layer on surface is removed；（2）5182 alloy cast ingots are pushed in heating furnace and is heated
To 450～540 DEG C, 3～8h is incubated；（3）5182 alloy cast ingots are rolled into into thickness in 23mm using reversing rougher
Between base, the middle base temperature after rolling be not less than 380 DEG C；（4）Middle base is rolled into into thickness using three frame tandem mills is
The hot rolled coil finished product of 2.6mm, hot rolled coil finishing temperature control is at 300～340 DEG C.
Further, step（1）Middle milling amount is not less than 9mm.
Further, step（3）Single pass rolling reduction is less than 40mm, and last 3 when middle reversing rougher is rolled
Reduction in pass is less than 20mm, emulsion concentration is controlled in the operation of rolling and is less than 2.5m/s, emulsion more than 3.0%, mill speed
Injection pressure is less than 50T not less than 6bar, bending roller force.
Further, step（4）In frame F2, F1 of three frame tandem mills and the drafts of F3 successively decrease successively；Rolled
Control emulsion concentration in journey be less than 180 Nm, cleaning roller speed with water less than 9m/s, emulsion injection more than 7.0%, cleaning roller moment of torsion
Pressure is less than 4MN not less than 6bar, bending roller force.
Compared with prior art, the invention has the advantages that：5182 alloy wide-thins band production technology of the invention
Effectively shorten the production cycle, reduce production cost, produce the hot rolled coil finished product plate shape that obtains and surface quality is good, improve finished product into
Type performance, meets follow-up lid production requirement processed.
To make the objects, technical solutions and advantages of the present invention become more apparent, below will be by specific embodiment, to this
Invention is described in further detail.
Specific embodiment
A kind of 5182 alloy wide-thins band production technology, comprises the following steps：（1）5182 alloy cast ingots are carried out into surface milling
Cut, the width of 5182 alloy cast ingots is more than 1700mm, removes the oxide layer on surface；（2）5182 alloy cast ingots are pushed into heating furnace
In be heated to 450～540 DEG C, be incubated 3～8h；（3）5182 alloy cast ingots are rolled into into thickness using reversing rougher is
The middle base of 23mm, the middle base temperature after rolling is not less than 380 DEG C, and middle blanket shape is controlled in the operation of rolling, prevents centre
Base lower surface is scratched by roller-way；（4）Middle base is rolled into into the hot rolled coil finished product that thickness is 2.6mm using three frame tandem mills,
Hot rolled coil finishing temperature control controls hot rolled coil plate shape and surface quality at 300～340 DEG C.
In the present embodiment, step（1）Middle milling amount is not less than 9mm.
In the present embodiment, step（3）Single pass rolling reduction is less than 40mm when middle reversing rougher is rolled, and most
Afterwards 3 reductions in pass are less than 20mm, control in the operation of rolling emulsion concentration more than 3.0%, mill speed less than 2.5m/s,
Emulsion injection pressure is less than 50T not less than 6bar, bending roller force.
In the present embodiment, step（4）In frame F2, F1 of three frame tandem mills and the drafts of F3 successively decrease successively, and
And each frame drafts is more than 50%；Emulsion concentration is controlled in the operation of rolling and is being less than 180 more than 7.0%, cleaning roller moment of torsion
Nm, roller speed is cleaned with water less than 9m/s, emulsion injection pressure is less than 4MN not less than 6bar, bending roller force, due to F1 frame roll-forces
3200 tons are reached, rolling load is very big, thick poor, convexity and quality control on the surface difficulty are increased, so that in strict control
State parameter index to control the plate shape and surface quality of hot rolled coil.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
It is understood by, the foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (4)
1. a kind of 5182 alloy wide-thin is with production technology, it is characterised in that：Comprise the following steps：（1）By 5182 alloy cast ingots
Surface milling is carried out, the oxide layer on surface is removed；（2）5182 alloy cast ingots is pushed and be heated in heating furnace 450～540 DEG C,
3～8h of insulation；（3）5182 alloy cast ingots are rolled into into the middle base that thickness is 23mm using reversing rougher, after rolling
Middle base temperature is not less than 380 DEG C；（4）Middle base is rolled into into the hot rolling that thickness is 2.6mm using three frame tandem mills to be rolled into
Product, hot rolled coil finishing temperature control is at 300～340 DEG C.
2. 5182 alloy wide-thin according to claim 1 is with production technology, it is characterised in that：Step（1）Middle milling amount
Not less than 9mm.
3. 5182 alloy wide-thin according to claim 1 is with production technology, it is characterised in that：Step（3）Middle reversible
Single pass rolling reduction is less than 40mm when roughing mill is rolled, and last 3 reduction in pass is less than 20mm, controls in the operation of rolling
Emulsion concentration processed is less than less than 2.5m/s, emulsion injection pressure more than 3.0%, mill speed not less than 6bar, bending roller force
50T。
4. 5182 alloy wide-thin according to claim 1 is with production technology, it is characterised in that：Step（4）In three frames
Frame F2, F1 of tandem mill and the drafts of F3 successively decrease successively；Emulsion concentration is controlled in the operation of rolling more than 7.0%, cleaning roller
Moment of torsion is less than 180 Nm, cleans roller speed with water less than 9m/s, and emulsion injection pressure is less than 4MN not less than 6bar, bending roller force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224922.6A CN106583450A (en) | 2016-12-27 | 2016-12-27 | Production technology for 5182 alloy wide-range thin strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224922.6A CN106583450A (en) | 2016-12-27 | 2016-12-27 | Production technology for 5182 alloy wide-range thin strip |
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| Publication Number | Publication Date |
|---|---|
| CN106583450A true CN106583450A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611224922.6A Pending CN106583450A (en) | 2016-12-27 | 2016-12-27 | Production technology for 5182 alloy wide-range thin strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066742A1 (en) * | 2022-09-27 | 2024-04-04 | 江苏省沙钢钢铁研究院有限公司 | Method for mitigating local high points of hot-rolled thin steel strip |
Citations (5)
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|---|---|---|---|---|
| JP2007160316A (en) * | 2005-12-09 | 2007-06-28 | Kobe Steel Ltd | Method for controlling water cooling of rolled material |
| CN103658177A (en) * | 2012-08-31 | 2014-03-26 | 宝山钢铁股份有限公司 | Method for producing high-strength thin strip steel in short process |
| CN103805764A (en) * | 2014-01-23 | 2014-05-21 | 燕山大学 | Hot rolling process for thinning high manganese austenitic steel grains |
| CN103962391A (en) * | 2013-01-29 | 2014-08-06 | 宝山钢铁股份有限公司 | Rolling load optimization method for hot continuous finishing mill group |
| CN105543518A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method for 5182 aluminum alloy tab stock base material |
-
2016
- 2016-12-27 CN CN201611224922.6A patent/CN106583450A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007160316A (en) * | 2005-12-09 | 2007-06-28 | Kobe Steel Ltd | Method for controlling water cooling of rolled material |
| CN103658177A (en) * | 2012-08-31 | 2014-03-26 | 宝山钢铁股份有限公司 | Method for producing high-strength thin strip steel in short process |
| CN103962391A (en) * | 2013-01-29 | 2014-08-06 | 宝山钢铁股份有限公司 | Rolling load optimization method for hot continuous finishing mill group |
| CN103805764A (en) * | 2014-01-23 | 2014-05-21 | 燕山大学 | Hot rolling process for thinning high manganese austenitic steel grains |
| CN105543518A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method for 5182 aluminum alloy tab stock base material |
Non-Patent Citations (1)
| Title |
|---|
| 陈策，王京海: "铝合金热轧技术的发展", 《轻合金加工技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066742A1 (en) * | 2022-09-27 | 2024-04-04 | 江苏省沙钢钢铁研究院有限公司 | Method for mitigating local high points of hot-rolled thin steel strip |
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Application publication date: 20170426 |
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