CN105063430A - 3003-H16 aluminum alloy plate strip and production method thereof - Google Patents
3003-H16 aluminum alloy plate strip and production method thereof Download PDFInfo
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Abstract
The invention provides a production method of a 3003-H16 aluminum alloy plate strip. The production method includes the following steps of casting, saw cutting, face milling, heating, hot rolling and cold rolling. In the casting step, chemical components of cast ingots obtained after casting include, by mass, 0.25% or less of Si, 0.4-0.6% of Fe, 0.2% or less of Cu, 1.0-1.25% of Mn, 0.05% or less of Zn, 0.015-0.03% of Ti, 0.02% or less of other single impurities, 0.10% or less of all other impurities, and the balance Al, wherein the smelting temperature is 740-760 DEG C, the refining temperature is 730-750 DEG C, the casting temperature is 685-700 DEG C, and the casting speed is 55-65 mm/min. In the hot rolling step, 3 to 5 passes of rolling is conducted, 40-60% of finish amount is reserved for the hot rolling roll thickness according to the finished product thickness, the finishing rolling temperature is 310-330 DEG C, and the winding thickness is 2.8-4 mm. By means of the production method, Fe and Si are strictly controlled, the smelting and casting temperature and rotating speeds are controlled, and the problems that the cast ingots are not uniform in structure, thick and large in grain, segregated in component, and the like are solved.
Description
Technical field
The present invention relates to aluminium alloy and manufacture field, specifically relate to a kind of 3003-H16 aluminum alloy sheets and strips and production method thereof.
Background technology
3003 alloys are one of widely used alloys in Al-Mn system alloy, this series alloy product
Have moderate strength, plasticity good, easily shape, the feature such as solidity to corrosion is good.The Strip of its H16 state not only has good formability, also has moderate intensity, produces as high-grade finishing material, has higher added value, wide market.
At present, the conventional process flow of 3003-H16 is: founding, and----homogenizing annealing--------cold rolling------pack in process annealing in cleaning in hot rolling in heating in milling face by cold rolling--finishing--in sawing.
When 3003 alloy produced by tradition hot rolls, finishing temperature and hot rolling material property energy cannot be ensured, and blank is also thicker, be generally 7-10mm, so hot rolling blank is before cold rolling final pass, after reserved amount of finish, advanced interline is needed to anneal, annealing furnace temperature control is bad, easily causes the defects such as coarse-grain; And technical process is long, 3003 alloys are softer, and increase the probability being formed and wipe the defects such as scuffing, after final finished anodic oxidation treatment, surface quality cannot meet some products.Therefore, there is the preparation method of shortened process.At present,--sawing--homogenizing annealing--milling face--heating--hot rolling--cold rolling----cold rolling--finishing of process annealing that the technical process of 3003-H16 is: founding.
But, higher to annealing temperature uniformity requirement during the method employing intermediate annealing process, higher to annealing furnace temperature requirements, and unstable properties, particularly yield strength; Meanwhile, if cold-strip is without special cleaning, then easily produces the surface imperfection such as oil mark and cause waste product.
The 3003-H16 performance row following table of international standard ASTM209M:
| Thickness (mm) | R m(Mpa) | R p0.2(Mpa) | A 50(％) |
| 1.2-4 | 165-205 | Min.145 | 3 |
Summary of the invention
In order to solve the problem, the invention provides a kind of production method of new 3003-H16 aluminum alloy sheets and strips, this production method both ensure that the stable mechanical property of 3003-H16 aluminum alloy sheets and strips was qualified, and shortened Production Flow Chart, greatly enhanced productivity.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
The present invention is a kind of production method of 3003-H16 aluminum alloy sheets and strips, and described production method comprises the steps: founding, sawing, milling face, heating, hot rolling, cold rolling;
Wherein, in described founding step, after founding, the mass percent of the chemical composition of ingot casting is: Si≤0.25%, Fe:0.4-0.6%, Cu≤0.2%, Mn:1.0-1.25%, Zn≤0.05%, Ti:0.015-0.03%, other impurity is single≤and 0.02%, other impurity adds up to≤0.10%, all the other are Al; Wherein smelting temperature is 740--760 DEG C, refining temperature 730--750 DEG C, casting temp 685--700 DEG C, casting speed 55--65mm/min;
In described hot-rolled step, adopt hot roughing 480--520 DEG C of cogging, through 17 or 19 passes, sotck thinkness 16--18mm, intermediate blank temperature is 420--450 DEG C, re-uses hot finishing, through 3-5 passes, hot rolled coil thickness reserves the amount of finish of 40--60% according to finished product thickness, finishing temperature 310--330 DEG C, and batching thickness is 2.8--4mm;
Further improvement of the present invention is: in the step of described milling face, and adopt milling machine to the large face of ingot casting and little milling respectively, milling amount is respectively 8mm and 6mm.
Further improvement of the present invention is: in described heating steps, ingot casting Heating temperature setting furnace temperature 540 DEG C, and soaking time 2 hours, turns 510 DEG C of insulations and come out of the stove for 3 hours.
Further improvement of the present invention also there are provided 3003-H16 aluminum alloy sheets and strips prepared by production method described in a kind of claim 1, and this plate surface, without defects such as coarse-grains, can meet the demand of multiple product.
The invention has the beneficial effects as follows: the production method of 3003-H16 aluminum alloy sheets and strips of the present invention, has the following advantages:
(1) the present invention has carried out strict control to Fe, Si composition, and controls melting and casting temp, speed, can eliminate the problems such as ingot structure inequality, coarse grains, component segregation like this;
(2) the present invention is in employing 450--500 DEG C of roughing cogging, intermediate blank temperature ensures at 420--450 DEG C, it is middle blank that finish rolling provides 16--18mm thick after the rolling of 17 or 19 passages, this utilizes proper temperature and Deformation velocity to control the even tiny precipitation of second-phase compound and to ensure that cast structure is fully broken, is conducive to improving surface and interior tissue;
(3) hot rolling produce blank, finishing temperature control range stabilises at 310--330 DEG C, hot rolling blank stable performance, ensure cold rolling after the rolling of target working modulus, the finished product stable performance, eliminates annealing operation;
(4) production efficiency of the present invention is high, and the most minimal thickness of hot-rolled finished product is 2.8mm, reduces cold rolling general working rate and road number of times, need not annealing operation, ensure that stable mechanical property is qualified, shortens Production Flow Chart, enhance productivity and yield rate, energy efficient.
Embodiment
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with embodiment, this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
As shown in the Examples, the present invention is a kind of 3003-H16 aluminum alloy sheets and strips and production method thereof, and described production method comprises the steps: founding, sawing, milling face, heating, hot rolling, cold rolling;
Wherein, in described founding step, after founding, the mass percent of the chemical composition of ingot casting is: Si≤0.25%, Fe:0.4-0.6%, Cu≤0.2%, Mn:1.0-1.25%, Zn≤0.05%, Ti:0.015-0.03%, other impurity is single≤and 0.02%, other impurity adds up to≤0.10%, other impurity is the element except foregoing alloying element, and all the other are Al; Wherein smelting temperature is 740--760 DEG C, refining temperature 730--750 DEG C, casting temp 685--700 DEG C, casting speed 55--65mm/min;
In the step of described milling face, adopt milling machine to the large face of ingot casting and little milling respectively, milling amount is respectively 8mm and 6mm;
In described heating steps, ingot casting Heating temperature setting furnace temperature 540 DEG C, soaking time 2 hours, turns 510 DEG C of insulations and comes out of the stove for 3 hours;
In described hot-rolled step, adopt hot roughing 480--520 DEG C of cogging, through 17 or 19 passes, sotck thinkness 16--18mm, intermediate blank temperature is 420--450 DEG C, re-uses hot finishing, through 3-5 passes, hot rolled coil thickness reserves the amount of finish of 40--60% according to finished product thickness, finishing temperature 310--330 DEG C, and batching thickness is 2.8--4mm;
Cold rolling step: be cold-rolled to finished product thickness 2mm or 1.8mm through 2 passages.
By the invention of this abbreviated system, the last mechanical property of product meets international standards completely.
Embodiment one:
The production method of a kind of 3003-H16 aluminum alloy sheets and strips of the present invention, production method comprises the steps: founding, sawing, milling face, heating, hot rolling, cold rolling;
Wherein
(1) founding: after founding, the mass percent of the chemical composition of ingot casting is: Si:0.21%, Fe:0.56%, Cu:0.18%, Mn:1.15%, Zn:0.05%, Ti:0.02%, all the other are Al; Wherein smelting temperature is 740--760 DEG C, refining temperature 730--750 DEG C, casting temp 685--700 DEG C, casting speed 55--65mm/min;
(2) milling face: adopt milling machine to the large face of ingot casting and little milling respectively, milling amount is respectively 8mm and 6mm;
(3) heat: ingot casting Heating temperature setting furnace temperature 540 DEG C, soaking time 2 hours, turns 510 DEG C of insulations and comes out of the stove for 3 hours;
(4) hot rolling: after adopting hot roughing 500 DEG C of coggings, through 19 passes, by ingot casting roughing to thickness 18mm; Intermediate blank temperature 440 DEG C, use hot finishing, through 5 passes, hot rolled coil thickness reserves the amount of finish of 44.4% according to finished product thickness, finishing temperature 310 DEG C, and batching thickness is 3.6mm;
(5) cold rolling: to be cold-rolled to finished product thickness 2mm through 2 passages.
According to aforesaid method, repeat twice, the finished product are respectively test volume one and test volume two, and end properties is as follows:
| Cold working amount (%) | Finished product thickness (mm) | R m （Mpa） | R p0.2 （Mpa） | A 50 (%) | |
| Test volume one | 44.4 | 2.0 | 195 | 182 | 4.2 |
| Test volume two | 44.4 | 2.0 | 193 | 181 | 4.5 |
Embodiment two:
The production method of a kind of 3003-H16 aluminum alloy sheets and strips of the present invention, production method comprises the steps: founding, sawing, milling face, heating, hot rolling, cold rolling;
Wherein
(1) founding: after founding, the mass percent of the chemical composition of ingot casting is: Si:0.25%, Fe:0.54%, Cu:0.15%, Mn:1.25%, Zn:0.05%, Ti:0.03%, all the other are Al; Wherein smelting temperature is 740--760 DEG C, refining temperature 730--750 DEG C, casting temp 685--700 DEG C, casting speed 55--65mm/min;
(2) milling face: adopt milling machine to the large face of ingot casting and little milling respectively, milling amount is respectively 8mm and 6mm;
(3) heat: ingot casting Heating temperature setting furnace temperature 540 DEG C, soaking time 2 hours, turns 510 DEG C of insulations and comes out of the stove for 3 hours;
(4) hot rolling: after adopting hot roughing 500 DEG C of coggings, through 19 passes, by ingot casting roughing to thickness 18mm; Intermediate blank temperature 440 DEG C, use hot finishing, through 5 passes, hot rolled coil thickness reserves the amount of finish of 50% according to finished product thickness, finishing temperature 310 DEG C, and batching thickness is 3.6mm;
(5) cold rolling: to be cold-rolled to finished product thickness 2mm through 2 passages.
According to aforesaid method, repeat twice, the finished product are respectively test volume one and test volume two, and end properties is as follows:
| Cold working amount (%) | Finished product thickness (mm) | R m（Mpa） | R p0.2 （Mpa） | A 50 (%) | |
| Test volume one | 50 | 1.8 | 210 | 198 | 3.8 |
| Test volume two | 50 | 1.8 | 208 | 197 | 3.9 |
Claims (4)
1. a production method for 3003-H16 aluminum alloy sheets and strips, is characterized in that: described production method comprises the steps: founding, sawing, milling face, heating, hot rolling, cold rolling;
Wherein, in described founding step, after founding, the mass percent of the chemical composition of ingot casting is: Si≤0.25%, Fe:0.4-0.6%, Cu≤0.2%, Mn:1.0-1.25%, Zn≤0.05%, Ti:0.015-0.03%, other impurity is single≤and 0.02%, other impurity adds up to≤0.10%, all the other are Al; Wherein smelting temperature is 740--760 DEG C, refining temperature 730--750 DEG C, casting temp 685--700 DEG C, casting speed 55--65mm/min;
In described hot-rolled step, adopt hot roughing 480--520 DEG C of cogging, through 17 or 19 passes, sotck thinkness 16--18mm, intermediate blank temperature is 420--450 DEG C, re-uses hot finishing, through 3-5 passes, hot rolled coil thickness reserves the amount of finish of 40--60% according to finished product thickness, finishing temperature 310--330 DEG C, and batching thickness is 2.8--4mm.
2. the production method of 3003-H16 aluminum alloy sheets and strips according to claim 1, is characterized in that: in the step of described milling face, and adopt milling machine to the large face of ingot casting and little milling respectively, milling amount is respectively 8mm and 6mm.
3. the production method of 3003-H16 aluminum alloy sheets and strips according to claim 1, is characterized in that: in described heating steps, ingot casting Heating temperature setting furnace temperature 540 DEG C, and soaking time 2 hours, turns 510 DEG C of insulations and come out of the stove for 3 hours.
4. the 3003-H16 aluminum alloy sheets and strips prepared of the production method described in any one of claim 1-3.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105714155A (en) * | 2015-12-21 | 2016-06-29 | 河南明泰铝业股份有限公司 | Power battery case aluminum plate, power battery case aluminum belt and production method of power battery case aluminum plate and power battery case aluminum belt |
| CN108060331A (en) * | 2017-12-15 | 2018-05-22 | 中铝瑞闽股份有限公司 | A kind of 3003H14 aluminum alloy plate materials and its production method |
| CN109666822A (en) * | 2019-01-15 | 2019-04-23 | 大力神铝业股份有限公司 | It is a kind of for producing the preparation method of 3003-H14 aluminum alloy battery shell material |
| CN109680186A (en) * | 2019-01-15 | 2019-04-26 | 大力神铝业股份有限公司 | It is a kind of for manufacturing the preparation method of the composite material of automobile radiators flat tube |
| CN110453110A (en) * | 2019-09-03 | 2019-11-15 | 南通恒金复合材料有限公司 | A kind of housing of power cell aluminium alloy strips and preparation method thereof |
| CN111037230A (en) * | 2019-12-27 | 2020-04-21 | 广西南南铝加工有限公司 | Multilayer aluminum alloy composite board for honeycomb floor and preparation method thereof |
| CN111041283A (en) * | 2019-12-19 | 2020-04-21 | 广西南南铝加工有限公司 | Production method of 3003 aluminum alloy wafer for deep-drawing expansion type electric cooker liner |
| CN111809082A (en) * | 2020-05-28 | 2020-10-23 | 大力神铝业股份有限公司 | Aluminum alloy material processing technology for hollow glass parting bead |
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| CN103060621A (en) * | 2012-12-27 | 2013-04-24 | 亚洲铝业（中国）有限公司 | 1100-H16 aluminum alloy plate/strip and production method thereof |
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| CN105714155A (en) * | 2015-12-21 | 2016-06-29 | 河南明泰铝业股份有限公司 | Power battery case aluminum plate, power battery case aluminum belt and production method of power battery case aluminum plate and power battery case aluminum belt |
| CN108060331A (en) * | 2017-12-15 | 2018-05-22 | 中铝瑞闽股份有限公司 | A kind of 3003H14 aluminum alloy plate materials and its production method |
| CN109666822A (en) * | 2019-01-15 | 2019-04-23 | 大力神铝业股份有限公司 | It is a kind of for producing the preparation method of 3003-H14 aluminum alloy battery shell material |
| CN109680186A (en) * | 2019-01-15 | 2019-04-26 | 大力神铝业股份有限公司 | It is a kind of for manufacturing the preparation method of the composite material of automobile radiators flat tube |
| CN110453110A (en) * | 2019-09-03 | 2019-11-15 | 南通恒金复合材料有限公司 | A kind of housing of power cell aluminium alloy strips and preparation method thereof |
| CN111041283B (en) * | 2019-12-19 | 2021-09-07 | 广西南南铝加工有限公司 | Production method of 3003 aluminum alloy wafer for deep-drawing expansion type electric cooker liner |
| CN111041283A (en) * | 2019-12-19 | 2020-04-21 | 广西南南铝加工有限公司 | Production method of 3003 aluminum alloy wafer for deep-drawing expansion type electric cooker liner |
| CN111037230A (en) * | 2019-12-27 | 2020-04-21 | 广西南南铝加工有限公司 | Multilayer aluminum alloy composite board for honeycomb floor and preparation method thereof |
| CN111809082A (en) * | 2020-05-28 | 2020-10-23 | 大力神铝业股份有限公司 | Aluminum alloy material processing technology for hollow glass parting bead |
| CN113084470A (en) * | 2021-03-26 | 2021-07-09 | 陕西飞机工业有限责任公司 | Control method for over-aging of aluminum alloy material during cutting |
| CN113894175A (en) * | 2021-09-30 | 2022-01-07 | 山东宏桥新型材料有限公司 | Processing method of aluminum substrate for printing |
| CN114669964A (en) * | 2022-03-28 | 2022-06-28 | 中铝瑞闽股份有限公司 | Short-process production method of new energy power battery shell cover plate strip |
| CN115305389A (en) * | 2022-08-12 | 2022-11-08 | 河南科创铝基新材料有限公司 | Aluminum alloy battery shell plate and production method thereof |
| CN115354198A (en) * | 2022-10-21 | 2022-11-18 | 山东金来铝业有限公司 | Preparation method of battery case aluminum sheet for marine ship industry |
| CN117305669A (en) * | 2023-11-30 | 2023-12-29 | 中铝材料应用研究院有限公司 | Method for producing aluminum alloy sheet and aluminum alloy sheet obtained by the method |
| CN117305669B (en) * | 2023-11-30 | 2024-02-02 | 中铝材料应用研究院有限公司 | Method for producing aluminum alloy sheet and aluminum alloy sheet obtained by the method |
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Application publication date: 20151118 |