Aluminum Can end stock and Can tab stock

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Can End/Tab Stock

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Cans cover (ring)pre-coated plates
First, the raw materials
Aluminum lid and pull the main substrate of aluminum from the southwest andNanshan Aluminum, the use of aluminum-magnesium alloy 5182H19, 5052H19. Itsproducts in the normal substrates of manganese and magnesium components addedto increase the tensile strength and elongation. Han and the lotion by theGerman food-grade chrome HD agent, the United States PPG epoxy phenolicpackaging coatings, and high-end DOS oil
Second,applications
Division I professional production of DOS card and aluminum cans with a coatingfor cans of the lid and pull the coated aluminum is widely used in beverage,beer, rice pudding, tea, cigarettes, cans and other products packaging. U.S.imports of food ash using electrostatic spray wax, cut by large waves, transverseshear, longitudinal easily processed into the system covered the pre-coatedaluminum manufacturers. Depending on the system covers equipment can makeweight and volume of different specifications to meet customer requirements.
Third, the application prospect
Cans of food packaging as lightweight, unbreakable, easy to carry transportcharacteristics, cans packaged foods will gradually replace the glass packagingfood. As China'seconomy continues to strengthen, improve people's living standards, consumptionwill be more and more cans, cans will be growing timber. Therefore, cans withthe amount of pre-coated aluminum coil will be more and more broad prospects.

Alloy & specification

Alloy^a	Coated panel,strip status	Status	Aluminum thickness^at/mm	Aluminum Specification^a /mm		Aluminum coil specification^a /mm
				Width	length	width	Steeve Φ
5052、5182	H46、H48、H49	H18、H19、 H36、H38、H39	0.22≤t≤0.50	500～1600	500～4000	20～1600	300、350、 405、505
a.Other alloy, specification of material can be negotiated

Aluminum thickness

Aluminum thickness	Thickness tolerance（±）
＞0.22～0.30	0.005
＞0.30～0.50	0.008

Width and Length

Alloy	Aluminum panel&coil length tolerance/mm		Aluminum Panel & coil width tolerance/mm /mm
	Aluminum panel&coil length tolerance/mm		Pop top		Pop can cover
	Length≤2000	Length >2000	width≤100	width >100	width≤1000	width >1000
5052 5182	+1 0	+2 0	±0.2	+1.5 0	+1.0 0	+1.5 0

Dynamic features

Alloy	Status	thickness（t）/mm	Room temperature tensile test results
			Tensile strength R_m/MPa	non-proportional extension strengthR_p0.2/MPa	elongationA_50mm /%
			≥
5052	H36	＞0.22～0.30	255～305	200	2
	H36	＞0.30～0.50	255～305	200	3
	H18、H38	＞0.22～0.30	270	210	2
	H18、H38	＞0.30～0.50	270	210	3
	H19、H39	＞0.22～0.30	290	220	2
	H19、H39	＞0.30～0.50	290	220	3
5182	H36	＞0.22～0.30	265～340	270	3
	H36	＞0.30～0.50	265～340	270	4
	H18、H38	＞0.22～0.30	330	285	3
	H18、H38	＞0.30～0.50	330	285	4
	H19、H39	＞0.22～0.30	340	295	3
	H19、H39	＞0.30～0.50	340	295	4

Coating function

Suppliershould ensure DOS oil of pop can cover is up to 5～10mg/m²/side, and coating surface should bewith even wax which is up to 40～100mg/m³/side

Food and packing industry pop can covercoating aluminum panels’ features:

Function		Coating weightg/m²	Deviation of coating	T Bend	MEK	High temperature sterilization	S Resist-ance	Acid resista-nce	Adhe -sion
Pop can Cover	Outer coating	3～6	≤10	≤2	＞50	See Note.1	-	-	1 Grade
Pop can Cover	Inner coating	10～13	≤10	≤2	-	See Note.1	See Note.2	See Note3	1 Grade
Pop can tab	2 sides coating	3～6	≤10	≤2	＞50	See Note.1	-	-	1 Grade
Note： 1 After121℃，30min distill，Internal and external coating without white, loss of light, peeling, and shedding. 2 After121℃，30min S corrosion，Internal and external coating without white, loss of light, peeling, and shedding. 3 After121℃，30min acid erosion，Internal and external coating without white, loss of light, peeling, and shedding.

Appearance

The surface of the pop cans cover coatingdoes not allow defects such as air bubbles, scratches, missing coating,over-burning, oil spots, stains, streaks, color, piebald, roller printing,embossing, periodic prints, chemical liquid etc which impact users.

Each coil allowed a joint which does notallow loose layer or dislocation, the joint can only be overlapped, which needto make the mark in the end, and each batch coil of joint is not morethan 10% of the total number of coils.

Services

Supporting services: Offering semi-finishedproducts & OEM services

Q:Can aluminum coils be used in the production of air conditioning systems?: Yes, aluminum coils can be used in the production of air conditioning systems. Aluminum coils are widely used in air conditioning systems because of their excellent heat transfer properties and corrosion resistance. They are lightweight, durable, and highly efficient in transferring heat between the refrigerant and the air. Additionally, aluminum coils are more environmentally friendly compared to traditional copper coils as they require less energy during manufacturing and are fully recyclable. Overall, aluminum coils are a popular choice for air conditioning systems due to their performance, durability, and eco-friendliness.

Q:What are the common testing methods for aluminum coils?: Some common testing methods for aluminum coils include visual inspection, dimensional measurements, hardness testing, corrosion resistance testing, tensile strength testing, and conductivity testing. These methods help ensure the quality and performance of aluminum coils in various applications.

Q:I need help with 3 main ideas for a aluminum and copper chloride lab. I need evidence for these 3 ideas that what happened was a chemical reaction.: Aluminum metal usually has a passivating layer of Al2O3 which prevents aluminum from reacting with Cu2+ ions. Al won't react with CuSO4(aq), for instance. But if NaCl is added then it will. It is the effect of the chloride ion that makes the reaction go. Al2O3(s) + 8Cl-(aq) + 3H2O -- 2[AlCl4]^- + 6OH- Once the passivating layer is dissolved, then aluminum metal is available to react with chloride ion. You see the aluminum metal disappear, while dark red Cu metal is formed, along with the decrease in the blue color due to hydrated copper ions, [Cu(H2O)6]^2+. In addition, aluminum metal has a side-reaction with water to form hydrogen gas. Therefore, you will observe that as gas is given off. Not only that, the temperature of the solution will increase. 2Al(s) + 2OH- + 6H2O -- 2[Al(OH)4]- + 3H2(g) In summary. There are four indicators of a chemical reaction. 1. The formation of a precipitate 2. The evolution of a gas 3. A color change 4. A temperature change. All four indicators are observed. Solid Cu metal is formed. Hydrogen gas is given off. The color of the solution changes from blue to colorless, and the temperature increases.

Q:Some makes like KIA make a point of having aluminum engines. I thought this was for weight, but was more prone to failure, especially in a high mileage car.: ALuminum engines are close to durablity of the Iron Engines based on the assumption that you use aluminum engines only for gasoline engines. THe pressure and temperature inside it will be 2-3Mpa and 1000 degrees celsius. If you have very efficient radiator, there is not much damage to the material. The only factors that might reduce its life would be operating it in a higher temperature for a longer time. Lets say driving it in desert with A/C on and with less lubricating oil for a long duration everyday throughout the year. But ignoring the above case, aluminum are close to the durablity of the Iron engines.

Q:When the aluminum roll is rolled 0.14, when the coil is taken off, what happened to the loose layer?: I think the 0.14mm is certainly not the aluminum coil lining sleeve forgot, then the biggest doubt is the oil removal effect is not good, with rolling after the aluminum layer between the leakage for aluminium roll support is not enough, the collapse of the volume, the specific performance is the edge of the circular aluminum layer was uniform into ripples;

Q:How do aluminum coils compare to copper coils in terms of performance?: Aluminum coils and copper coils are two common types of heat exchanger coils used in heating, ventilation, and air conditioning (HVAC) systems. While both materials are effective in transferring heat, they do differ in terms of performance. Copper coils have long been the preferred choice for HVAC systems due to their superior heat transfer properties. Copper is an excellent conductor of heat, allowing for efficient transfer of thermal energy. This means that copper coils can cool or heat the surrounding air more effectively, resulting in faster and more efficient temperature control. On the other hand, aluminum coils are less efficient in terms of heat transfer compared to copper coils. Aluminum is a poorer conductor of heat, which means that it requires a larger surface area to achieve the same level of heat transfer as copper. Consequently, aluminum coils tend to be larger in size to compensate for their lower heat transfer capabilities. However, aluminum coils do have some advantages over copper coils. Firstly, aluminum is a lightweight material, making it easier to handle and install. This can be particularly beneficial in situations where weight restrictions or handling limitations are a concern. Secondly, aluminum coils are more resistant to corrosion compared to copper coils. Copper is prone to corrosion over time, especially in environments with high humidity or exposure to certain chemicals. Aluminum, on the other hand, naturally forms a protective oxide layer that helps prevent corrosion. This can result in longer-lasting coils and a lower likelihood of refrigerant leaks. In summary, while copper coils offer superior heat transfer capabilities, aluminum coils have their own advantages such as lighter weight and better corrosion resistance. The choice between aluminum and copper coils ultimately depends on the specific requirements of the HVAC system, including the desired performance, budget, and environmental factors.

Q:What are the different coil cutting options available for aluminum coils?: Some of the different coil cutting options available for aluminum coils include slitting, shearing, and laser cutting.

Q:Can the displacement sensor be used for real-time measurement of the aluminum coil thickness?: Yes, you can use two sensors to measure thickness, either contact sensor or laser sensor

Q:Why there is always impression and indentation on the backup roller of aluminum coil rolling mill with 4 rollers.: It is either the external or the bearing problem in designing and installing.

Q:Are there any health risks associated with aluminum coils?: Yes, there are some health risks associated with aluminum coils. When aluminum coils are heated, they can release small amounts of aluminum particles into the air, which may be inhaled. Prolonged exposure to high levels of aluminum particles may potentially lead to respiratory issues and lung damage. Additionally, there is a concern that aluminum particles could contaminate food if the coil is used in cooking or food storage. However, the health risks are generally considered to be low if proper ventilation is maintained, and aluminum coils are used within recommended guidelines.

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