cold casting aluminum mill finish rolls

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cold casting aluminum mill finish rolls

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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 surfaceshould be with 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:I have a edelbrock aluminum intake that was sitting around for a year and it has some fading with a little corrosion. What's a good cleaner or chemical I can use to clean it up?: I use Mother aluminum polish. It'll take a lot of patience and elbow grease but it works.

Q:Are aluminum coils suitable for automotive body panels?: Yes, aluminum coils are suitable for automotive body panels.

Q:Are aluminum coils suitable for heat exchangers?: Aluminum coils are indeed a fitting choice for heat exchangers. This is because aluminum possesses exceptional thermal conductivity, making it highly efficient and effective in transferring heat between mediums. Its ability to swiftly transfer heat from one medium to another is particularly advantageous for heat exchangers that require efficient heat transfer. Furthermore, aluminum coils are lightweight, resistant to corrosion, and boast excellent durability. These qualities contribute to their popularity in a wide range of applications, including heat exchangers. The corrosion resistance of aluminum ensures that the coils can endure harsh environments and prevent the occurrence of rust or corrosion, thereby prolonging the heat exchanger's lifespan. Moreover, aluminum coils are easily moldable and can be shaped into various forms, allowing for flexibility in designing and constructing heat exchangers. This adaptability makes them suitable for a diverse array of applications, such as HVAC systems, refrigeration units, and automotive cooling systems. In conclusion, the high thermal conductivity, lightweight nature, corrosion resistance, durability, and versatility of aluminum coils make them well-suited for heat exchangers. These properties establish aluminum coils as an excellent choice for achieving efficient heat transfer in numerous industries.

Q:Are there any limitations to the maximum coil diameter of aluminum coils?: There exist limitations on the maximum coil diameter of aluminum coils. Factors such as the type and thickness of the aluminum, the coiling equipment, and the intended application of the coil determine the maximum coil diameter. Thinner and more ductile aluminum alloys generally allow for larger coil diameters. However, maintaining the structural integrity of the coil and preventing deformation, wrinkling, or damage during handling and transportation becomes increasingly challenging as the coil diameter increases. Moreover, the coiling equipment may have its own restrictions on the maximum diameter it can handle. Hence, it is crucial to take these factors into consideration when determining the maximum coil diameter for aluminum coils.

Q:Can aluminum coils be used in power generation facilities?: Yes, aluminum coils can be used in power generation facilities. Aluminum is a highly conductive material that offers several advantages for power generation applications. It has excellent thermal conductivity, meaning it can efficiently transfer heat away from the coils, which is crucial for cooling systems in power generation facilities. Additionally, aluminum is lightweight, making it easier to handle and install compared to other metals like copper. This lightweight property also reduces the overall weight of the equipment, resulting in cost savings. Furthermore, aluminum is corrosion-resistant, which is important for power generation facilities that often operate in harsh environments. Overall, aluminum coils are a viable option for power generation facilities due to their conductivity, thermal efficiency, lightweight nature, and corrosion resistance.

Q:How are aluminum coils protected against corrosion during storage?: Various methods and precautions are employed to protect aluminum coils against corrosion during storage. One commonly used approach involves applying a protective coating or film to the surface of the coils. This coating acts as a barrier, preventing direct contact between moisture and oxygen and the aluminum, thereby preventing corrosion. Another method involves using desiccants or moisture-absorbing materials. These materials are often placed within the packaging or storage containers alongside the aluminum coils to absorb any existing moisture. By reducing the moisture levels in the storage environment, the risk of corrosion is significantly reduced. Proper storage conditions are also crucial in safeguarding aluminum coils against corrosion. It is essential to store the coils in a dry, well-ventilated area, away from direct sunlight and other sources of moisture. Additionally, it is important to ensure that the coils are stored above ground and kept separate from any chemicals or substances that may cause corrosion. Regular inspections and maintenance are necessary to prevent corrosion during storage. This includes checking for any signs of damage or wear on the protective coating and promptly addressing any issues that arise. Furthermore, maintaining a clean storage environment, free from dust, dirt, and other contaminants, helps preserve the integrity of the protective coating and prevents corrosion. In summary, a comprehensive approach consisting of protective coatings, moisture-absorbing materials, proper storage conditions, and regular maintenance is essential for effectively protecting aluminum coils against corrosion during storage. These measures ensure that the coils remain in optimal condition and are readily available for use when needed.

Q:What are the common problems faced with aluminum coils?: Aluminum coils encounter various issues that commonly arise. The foremost predicament is corrosion, which poses a significant threat to aluminum coils, especially when they come into contact with moisture. Consequently, rust or other types of corrosion may develop, thereby weakening the coil and impacting its performance. Another prevalent problem is coil damage, which can be easily incurred during handling or transportation. This can result in coils becoming bent or dented, thus compromising their efficiency and lifespan. In severe cases, leaks or cracks may even manifest, leading to the leakage of refrigerant or coolant. Clogging is an additional concern that can manifest in aluminum coils. Over time, dust, dirt, and debris can accumulate on the coil, thereby obstructing airflow and diminishing the coil's efficiency. This can lead to subpar cooling or heating performance, heightened energy consumption, and increased wear and tear on the system. Furthermore, aluminum coils are susceptible to leaks. These leaks may stem from physical damage, corrosion, or manufacturing defects. Once a coil develops a leak, refrigerant or coolant may escape, consequently impacting the overall performance of the HVAC system. Lastly, improper installation or maintenance practices can also give rise to issues with aluminum coils. If the coil is not installed accurately or if regular maintenance is overlooked, problems such as inadequate airflow, inefficient cooling or heating, and heightened energy consumption may occur. To circumvent these common problems, it is imperative to adequately maintain aluminum coils by regularly cleaning them, inspecting for signs of damage or corrosion, and ensuring proper installation and handling. Consistent maintenance and timely repairs can mitigate the occurrence of these problems and guarantee the longevity and efficiency of the aluminum coils.

Q:Are aluminum coils suitable for high-reflective applications?: Yes, aluminum coils are highly suitable for high-reflective applications. Aluminum has excellent reflective properties, making it ideal for a wide range of applications requiring high reflectivity, such as solar panels, LED lighting, and reflective coatings. Additionally, aluminum is lightweight, durable, and corrosion-resistant, making it a preferred choice for various industries.

Q:im doing an a level physics presentation on aluminium and im trying to compare aluminium and copper in electricity pylons.i know that copper will have a better conductance than aluminium becasue it has a lower resitivity but i need to come up with a calculation to prove why aluminium is better for use in electricity pylons? i know its down to aluminium being more lightweight than copper and also much cheaper. But im not sure how to create an calculation to show this?:) any help is greatly appreciated: Copper has lower resistance per unit volume, ie, a 1 cm diameter copper wire has less resistance than a 1 cm aluminum wire. BUT, aluminum is much lighter than Cu for the same diameter. If you used an aluminum wire that weighs the same as the 1 cm diameter copper wire, it would have LOWER resistance. And that is why aluminum is used in power transmission, and also in aircraft, where weight is important. to do this you calculate density resistivity which is (resistivity x density). Here is a partial table: Al 28.2e-9 Ω-m * 2700 kg/m? = 76e-6 Ω-kg/m? Cu 17.2e-9 Ω-m * 8960 kg/m? = 154e-6 Ω-kg/m? Ag 15.9e-9 Ω-m * 10500 kg/m? = 167e-6 Ω-kg/m? Au 22.14e-9 Ω-m * 19300 kg/m? = 427e-6 Ω-kg/m? Zn 68e-9 Ω-m * 7130 kg/m? = 485-6 Ω-kg/m? Fe 100e-9 Ω-m * 7870 kg/m? = 787e-6 Ω-kg/m? Note that Al is half that of Cu.

Q:what is the hardness number of aluminium.....? what is the hardness number of aluminium-Sic composite material...?: I don't believe that Aluminum (US spelling)/ Aluminium (UK spelling) has a Mohs Hardness rating. The Hardness of a material, as measured by the Mohs Hardness scale, is a criterion of its resistance to crushing. [Perry's Chemical Engineering Handbook]. Since aluminum is a metal, and would deform under a crushing-type stress, rather than shatter, it would not have a Mohs Hardness rating. Perhaps you meant **aluminA**, rather than aluminum. Alumina (Al2O3) has a Modified Mohs Hardness of 12. Silicon Carbide (carborundum) has a Modified Mohs Hardness of 13. There's no value listed for the combination, but it should be pretty hard stuff -- likely in the 12-13 range, but potentially even harder. Hope that helps.

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