5182 aluminum alloy tab stock substrate and production method thereof
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A production method and aluminum alloy technology, which is applied in the field of aluminum alloy manufacturing, can solve problems such as increasing operating time and reducing yield, and achieves the effects of increasing yield, improving efficiency, and preventing fire accidents
Active Publication Date: 2013-04-03
ALUHOUSE TECHGD CO LTD
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Increased operating time and decreased yield due to trimming waste
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Embodiment 1
[0023] The alloy state of the 5182 aluminum alloy pull ring material base material described in this embodiment: 5182 / H48; the thickness of the finished product: 0.305mm; its production process includes: production process: melting and casting → sawing → milling → heating → hot continuous rolling → cold Rolling→tension bending straightening→coating→finished product shearing, the specific process parameters are as follows:
[0024] (1) Casting
[0025] The mass percentages of the chemical composition of molten aluminum after casting are: Si0.1108%, Fe0.262%, Cu0.0455%, Mn0.3823%, Mg4.7012%, Cr0.0388%, Zn0.0163%, Ti0.0094 %, V0.0164%, Ni0.0034%, Pb0.0022%, Cd0.0002%, Na0.0002%, and the rest is Al; the melting temperature is 749°C, the refining temperature is 734°C, and the casting temperature is 680°C.
[0026] (2) Heating: the heating temperature of the ingot is 495° C., and the holding time is 4 hours.
[0027] (3) Hot rolling: use 1+5 hot rolling mills, first roll 27 passes...
Embodiment 2
[0058] The alloy state of the 5182 aluminum alloy pull ring material base material described in this embodiment: 5182 / H48; the thickness of the finished product: 0.46mm; its production process includes: production process: melting and casting → sawing → milling → heating → hot continuous rolling → cold Rolling→tension bending straightening→coating→finished product shearing, the specific process parameters are as follows:
[0059] (1) Casting
[0060] The mass percentage of the chemical composition of molten aluminum after casting is: Si0.106%, Fe0.257%, Cu0.0452%, Mn0.3705%, Mg4.762%, Cr0.0316%, Zn0.0182%, Ti0.0095 %, V0.0164%, Ni0.003%, Pb0.0022%, Cd0.0002%, Na0.0001%, and the rest is Al; the melting temperature is 754°C, the refining temperature is 738°C, and the casting temperature is 683°C.
[0061] (2) Heating: the heating temperature of the ingot is 500° C., and the holding time is 4 hours.
[0062] (3) Hot rolling: use 1+5 hot rolling mills, first roll 27 passes in th...
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Abstract
The invention discloses a 5182 aluminum alloy tab stock substrate and a production method thereof. The production method comprises the following production processes of: fusion casting, saw cutting, plane milling, heating, hot continuous rolling, six-roller one-pass cold rolling, five-stander fixe-pass continuous rolling, rectifying, coating and shearing, wherein molten aluminum subjected to fusion casting comprises the following chemical components in percentage by mass: 0.10-0.15 percent of Si, 0.23-0.30 percent of Fe, 0.02-0.07 percent of Cu, 0.33-0.40 percent of Mn, 4.45-4.80 percent of Mg, 0.02-0.07 percent of Cr, not more than 0.02 percent of Zn, 0.008-0.02 percent of Ti, not more than 0.02 percent of V, not more than 0.03 percent of each of other impurities, and the balance of Al, wherein the other impurities are not more than 0.15 percent in total; the melting temperature is 740-760 DEG C, the refining temperature is 725-740 DEG C, and the casting temperature is 670-685 DEG C; and the cold rolling process comprises the steps of directly carrying out six-roller one-pass cold rolling on a 3.0-4.5mm hot-rolled blank to reach the thickness of being 1.9-2.9, and then directly carrying out once five-stander cold continuous rolling to reach the finished-product thickness of being 0.28-0.46mm, wherein the total working rate is 89-91 percent. The production method disclosed by the invention ensures that the mechanical property of the5182 aluminum alloy tan stock substrate is stable and qualified and has the advantages of shortening the production flow and improving the production efficiency.
Description
technical field [0001] The invention relates to the field of aluminum alloy manufacturing, in particular to a 5182 aluminum alloy pull ring material base material and a production method thereof. Background technique [0002] 5182 alloy is an alloy with high magnesium content, which is characterized by high strength and excellent processing performance. The thickness specification currently used in the market is 0.28mm to 0.46mm. At present, the domestic easy-open end industry continues to develop, and the demand for pull-tab material substrates is increasing, which also puts forward requirements on the delivery cycle. In the current mass production of the tab material base material, the cycle reaches 35 to 40 days, mainly because the production process route of the tab base material is relatively long. [0003] At present, the production process of 5182 aluminum alloy pull ring material base material is: melting and casting→sawing→milling→homogenizing annealing→hot rolling...
Claims
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