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5052 5182 Aluminum coil sheet for can lid

5052 5182 Aluminum coil sheet for can lid

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5052 5182 Aluminum coil sheet for can lid. 5052 alloy is an early alloy with low magnesium content, which was finalized in the late 1920s and widely used. 5182 alloy is an alloy with high magnesium content. 5052 alloy is widely used in the manufacture of easy to pull covers, accounting for about 60% of the total, and its thickness is mostly O. 22 O. 26mm. 5052 is used for beverage cover and food cover without internal pressure, and 5182 is used for beverage cover with internal pressure.
5052 5182 Aluminum coil sheet for can lid are used in the production of can cover to minimize the thickness of sheet metal, improve the elongation and strength of products, improve the utilization rate of materials and reduce the production cost. At present, the thickness of the tank cover material is 0.27mm, 0.265mm, 0.26mm, 0.25mm, 0.24mm, 0.22mm. With the thickness of the tank cover decreasing, higher requirements are put forward for the mechanical properties of the base materials. At the same time, with the continuous development of the domestic cap manufacturing industry, the demand for the base materials is increasing, and the delivery cycle is also required. In the mass production of 5052 5182 Aluminum coil sheet for can lid base materials for tank cover materials, the period is up to 35-40 days, which is mainly due to the long production process.
At present, the production process of 5052 5182 Aluminum coil sheet for can lid base materials for tank cover material is as follows: casting, sawing, milling, homogenization annealing, hot rolling, cold rolling, I pass, cold rolling, 2 pass, cold rolling, 3 pass, cold rolling, 4 pass, cold rolling, 5 pass, annealing, stretch bending, straightening, coating, shearing. Aluminum alloy is rolled in five passes in cold rolling, and the temperature decreases due to the long pass residence time, so the annealing process is increased and the energy consumption cost is increased. In addition, the up and down coiling time of multi pass cold rolling is long and the working efficiency is low. In addition, in the processing of aluminum sheet and strip, most of the traditional single stand cold rolling mill uses full oil as the cooling lubricant, which often causes fire accidents due to the broken strip. Another process for the production of 5052 5182 Aluminum coil sheet for can lid base materials for tank cover material is casting, sawing, milling, homogenizing annealing, hot rolling, cold rolling, intermediate trimming, cold rolling, stretch bending, leveling, coating and finished product shearing. Because the edge thinning is easy to occur in the traditional 6-roll cold rolling process, in order to prevent the edge thinning and strip breaking, it is necessary to increase the intermediate trimming Sequence, increase the working time, and reduce the yield due to cutting waste.

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