• Aluminum sheet with a wide range of properties System 1
  • Aluminum sheet with a wide range of properties System 2
  • Aluminum sheet with a wide range of properties System 3
Aluminum sheet with a wide range of properties

Aluminum sheet with a wide range of properties

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5 m.t.
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5000 m.t./month

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Aluminium alloys with a wide range of properties are used in engineering structures. Alloy systems are classified by a number system (ANSI) or by names indicating their main alloying constituents (DIN and ISO).

The strength and durability of aluminium alloys vary widely, not only as a result of the components of the specific alloy, but also as a result of heat treatments and manufacturing processes. A lack of knowledge of these aspects has from time to time led to improperly designed structures and gained aluminium a bad reputation.

One important structural limitation of aluminium alloys is their fatigue strength. Unlike steels, aluminium alloys have no well-defined fatigue limit, meaning that fatigue failure eventually occurs, under even very small cyclic loadings. This implies that engineers must assess these loads and design for a fixed life rather than an infinite life.

aluminum closure sheet  factory
Another important property of aluminium alloys is their sensitivity to heat. Workshop procedures involving heating are complicated by the fact that aluminium, unlike steel, melts without first glowing red. Forming operations where a blow torch is used therefore require some expertise, since no visual signs reveal how close the material is to melting. Aluminium alloys, like all structural alloys, also are subject to internal stresses following heating operations such as welding and casting. The problem with aluminium alloys in this regard is their low melting point, which make them more susceptible to distortions from thermally induced stress relief. Controlled stress relief can be done during manufacturing by heat-treating the parts in an oven, followed by gradual cooling—in effect annealing the stresses.

The low melting point of aluminium alloys has not precluded their use in rocketry; even for use in constructing combustion chambers where gases can reach 3500 K. The Agena upper stage engine used a regeneratively cooled aluminium design for some parts of the nozzle, including the thermally critical throat region.

Another alloy of some value is aluminium bronze (Cu-Al alloy).



Aluminium foil acts as a total barrier to light and oxygen (which cause fats to oxidise or become rancid), odours and flavours, moistness, and germs, it is used broadly in food and pharmaceutical packaging. The purpose of aluminium is to make long-life packs (aseptic processing|aseptic packaging) for drinks and dairy goods, which allows storing without refrigeration. Aluminium foil containers and trays are used to bake pies and to pack takeaway meals, ready snacks and long life pet foods.

Aluminium foil is widely sold into the consumer market, often in rolls of 500 mm (20 in) width and several metres in length.It is used for wrapping food in order to preserve it, for example, when storing leftover food in a refrigerator (where it serves the additional purpose of preventing odour exchange), when taking sandwiches on a journey, or when selling some kinds of take-away or fast food. Tex-Mex restaurants in the United States, for example, typically provide take-away burritos wrapped in aluminium foil.

Aluminium foils thicker than 25 μm (1 mil) are impermeable to oxygen and water. Foils thinner than this become slightly permeable due to minute pinholes caused by the production process.

Aluminium foil has a shiny side and a matte side. The shiny side is produced when the aluminium is rolled during the final pass. It is difficult to produce rollers with a gap fine enough to cope with the foil gauge, therefore, for the final pass, two sheets are rolled at the same time, doubling the thickness of the gauge at entry to the rollers. When the sheets are later separated, the inside surface is dull, and the outside surface is shiny. This difference in the finish has led to the perception that favouring a side has an effect when cooking. While many believe that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation.The reflectivity of bright aluminium foil is 88% while dull embossed foil is about 80%.

We provide a full range of precision aluminum strip for almost any application. We produce aluminum strip in a wide variety of alloys, including clad composites. Our aluminum strip can be produced in standard dimensions or custom made to your special requirements. We produce both imperial and metric units. We manufacture in compliance with the main international specifications, and tighter tolerances or custom tempers are available upon request. We offer various surface conditions, custom finishes (painting, anodizing, embossing), special processing, and multiple packaging options to meet our customer's unique requirements. The following is a summary of our capabilities.

Manufactured in compliance with the main international specifications and standards, including:  Aluminum Association, ASTM, EN, and DIN.
We can also manufacture in compliance with other international standards including:ASME, SAE, AMS, AWS, FED, MIL, QQ, ISO, BS, AFNOR, JIS and GOST.

Manufactured in compliance with the main international specifications and standards.
Tighter tolerances are available upon request.


Aluminium (or aluminum; see spelling differences) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery white, soft, ductile metal. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal in the Earth's crust. It makes up about 8% by weight of the Earth's solid surface. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals.The chief ore of aluminium is bauxite.

Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides and sulfates.

Despite its prevalence in the environment, no known form of life uses aluminium salts metabolically. In keeping with its pervasiveness, aluminium is well tolerated by plants and animals. Owing to their prevalence, potential beneficial (or otherwise) biological roles of aluminium compounds are of continuing interest.

The earliest citation given in the Oxford English Dictionary for any word used as a name for this element is alumium, which British chemist and inventor Humphry Davy employed in 1808 for the metal he was trying to isolate electrolytically from the mineral alumina. The citation is from the journal Philosophical Transactions of the Royal Society of London: "Had I been so fortunate as to have obtained more certain evidences on this subject, and to have procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium."

Davy settled on aluminum by the time he published his 1812 book Chemical Philosophy: "This substance appears to contain a peculiar metal, but as yet Aluminum has not been obtained in a perfectly free state, though alloys of it with other metalline substances have been procured sufficiently distinct to indicate the probable nature of alumina."[69] But the same year, an anonymous contributor to the Quarterly Review, a British political-literary journal, in a review of Davy's book, objected to aluminum and proposed the name aluminium, "for so we shall take the liberty of writing the word, in preference to aluminum, which has a less classical sound."

The -ium suffix conformed to the precedent set in other newly discovered elements of the time: potassium, sodium, magnesium, calcium, and strontium (all of which Davy isolated himself). Nevertheless, -um spellings for elements were not unknown at the time, as for example platinum, known to Europeans since the 16th century, molybdenum, discovered in 1778, and tantalum, discovered in 1802. The -um suffix is consistent with the universal spelling alumina for the oxide (as opposed to aluminia), as lanthana is the oxide of lanthanum, and magnesia, ceria, and thoria are the oxides of magnesium, cerium, and thorium respectively.

The aluminum spelling is used in the Webster's Dictionary of 1828. In his advertising handbill for his new electrolytic method of producing the metal in 1892, Charles Martin Hall used the -um spelling, despite his constant use of the -ium spelling in all the patents[58] he filed between 1886 and 1903. It has consequently been suggested[by whom?] that the spelling reflects an easier-to-pronounce word with one fewer syllable, or that the spelling on the flyer was a mistake.[citation needed] Hall's domination of production of the metal ensured that aluminum became the standard English spelling in North America.

 

Q:How much do aluminum sheets typically weigh?
Aluminum sheets typically weigh between 1.9 to 3.4 grams per square centimeter, depending on the thickness and size of the sheet. The weight of aluminum sheets can vary significantly based on their dimensions and gauge. Thinner sheets generally weigh less, while thicker sheets tend to be heavier. It is important to note that the weight of aluminum sheets can also be influenced by factors such as the alloy used and any additional coatings or treatments applied to the surface. Therefore, it is advisable to consult the specific product specifications or reach out to the manufacturer for accurate weight information.
Q:How does the surface roughness of aluminum sheet affect its performance?
The surface roughness of an aluminum sheet can significantly impact its performance. A smoother surface allows for better adhesion of coatings, paints, and adhesives, resulting in improved corrosion resistance and durability. It also facilitates easier cleaning and maintenance. On the other hand, a rougher surface may enhance friction and reduce the sheet's ability to slide or glide smoothly. Additionally, surface roughness can affect the sheet's appearance, reflectivity, and overall aesthetic appeal.
Q:What are the different alloy compositions available for aluminum sheets?
There are various alloy compositions available for aluminum sheets, including 1xxx, 3xxx, 5xxx, and 6xxx series. Each series has unique properties and characteristics, making them suitable for different applications.
Q:Can aluminum sheets be used for sound insulation?
Yes, aluminum sheets can be used for sound insulation. Aluminum has good soundproofing properties due to its high density and ability to reflect sound waves. When used as a barrier or in combination with other sound-absorbing materials, aluminum sheets can effectively reduce noise transmission.
Q:What is the typical modulus of elasticity of aluminum sheets?
The typical modulus of elasticity of aluminum sheets is around 70 GPa (Gigapascals).
Q:How are aluminum sheets cut or shaped?
Aluminum sheets can be cut or shaped using various methods depending on the desired outcome. One common method is using a saw, such as a circular saw or a bandsaw, with a carbide-tipped blade specifically designed for cutting metal. This allows for straight cuts and can be used for both thin and thick aluminum sheets. Another method is using a shear, which is a machine that uses sharp blades to cut the aluminum sheet. Shearing is ideal for cutting straight lines quickly and efficiently, especially for thinner sheets. For more intricate shapes or curves, aluminum sheets can be cut using a water jet cutter or a laser cutter. Water jet cutting involves using a high-pressure jet of water mixed with an abrasive material to cut through the sheet. Laser cutting, on the other hand, uses a focused laser beam to melt or vaporize the aluminum, resulting in precise and intricate cuts. In addition to cutting, aluminum sheets can also be shaped through processes like bending, rolling, or stamping. Bending involves using a press brake to bend the sheet into the desired angle or shape. Rolling, on the other hand, uses a rolling machine to gradually shape the sheet into curves or cylinders. Lastly, stamping involves pressing the sheet against a die to create specific shapes or patterns. Overall, the method used to cut or shape aluminum sheets depends on the thickness of the sheet, the desired outcome, and the available equipment.
Q:Are aluminum sheets suitable for outdoor use?
Yes, aluminum sheets are suitable for outdoor use. Aluminum is a durable and corrosion-resistant material that can withstand various weather conditions, making it ideal for outdoor applications.
Q:What are the different methods of surface laminating aluminum sheets?
There exist various techniques for surface laminating aluminum sheets, each with its own distinct advantages and suitability for different purposes. Some of the commonly utilized methods comprise: 1. Adhesive bonding: This involves the application of an adhesive layer between the aluminum sheet and the desired surface material. The adhesive is typically cured through the application of heat or pressure, resulting in a robust bond. This technique is versatile and can be employed with a range of surface materials, including wood, plastic, or glass. 2. Roll bonding: Also referred to as cladding or cold roll bonding, this method entails placing the aluminum sheet between two other metal sheets and subjecting them to high pressure to create a solid bond. Roll bonding is frequently employed in the production of composite materials, such as aluminum-clad steel sheets. 3. Thermal spraying: This process entails melting or heating aluminum powder and using a thermal spray gun to spray it onto the sheet surface. The molten aluminum solidifies upon contact, forming a durable coating. Thermal spraying is commonly used for corrosion protection or as a foundation layer for subsequent surface treatments. 4. Powder coating: In this technique, a dry powder paint is electrostatically applied to the surface of the aluminum sheet. The sheet is then heated, causing the powder to melt and form a smooth and protective coating. Powder coating offers exceptional durability, impact resistance, and a wide array of color options. 5. Anodizing: Anodization is an electrochemical process that enhances the natural oxide layer on the surface of aluminum sheets. By immersing the sheet in an electrolytic bath and applying an electric current, a controlled oxide layer is formed, providing corrosion resistance, improved adhesion for paint or adhesive, and aesthetic finishes. 6. Lamination with protective films: A plastic protective film can be applied to the surface of the aluminum sheet for safeguarding purposes during transportation, handling, or processing. These films offer temporary protection against scratches, abrasions, and dirt. These represent just a few among many techniques available for surface laminating aluminum sheets. The choice of method depends on factors such as desired properties, intended use, and specific application requirements.
Q:Can aluminum plate resist acid and alkali?
Acid base corrosion aluminum alloy, corrosion resistance, but nothing is absolute, even if the steel plate in the long-term corrosion of acid and alkali will also have problems
Q:What are the different types of protective films available for aluminum sheets?
There exists a variety of protective films for aluminum sheets, each offering distinct features and advantages. Some commonly used types include: 1. Polyethylene (PE) film: PE film is a favored option for safeguarding aluminum sheets due to its versatility and cost-effectiveness. It serves as a temporary shield against scratches, dust, dirt, and moisture during storage, transportation, and fabrication processes. PE film can be effortlessly applied and removed without leaving residue or causing damage to the aluminum sheet's surface. 2. Polyvinyl Chloride (PVC) film: PVC film is another popular protective film for aluminum sheets. It provides excellent protection against scratches, abrasions, and UV rays. Known for its durability, PVC film is suitable for long-term applications. It is available in different thicknesses and can be customized to meet specific requirements. 3. Polyolefin film: Polyolefin film is a type of shrink film that ensures comprehensive protection for aluminum sheets. It exhibits high resistance against punctures, tears, and moisture. By heat-shrinking onto the aluminum surface, polyolefin film creates a secure seal, preventing any damage during handling, storage, or transit. 4. Polyester film: Polyester film is a high-performance protective film that offers exceptional resistance against chemicals, solvents, and extreme temperatures. It serves as an excellent barrier against moisture, preventing corrosion and oxidation of the aluminum sheet. Polyester film is commonly utilized in demanding applications where maximum protection is required. 5. Adhesive-backed film: Adhesive-backed films are self-adhesive protective films that can be easily applied and firmly bonded to aluminum sheets. They provide a temporary protective layer against scratches, stains, and other surface damages. Available with different adhesive strengths, adhesive-backed films can be removed effortlessly without leaving residue or causing harm to the aluminum surface. It is crucial to choose the appropriate type of protective film based on the specific requirements and conditions in which the aluminum sheets will be utilized.

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