Aluminium bar with a wide range of properties

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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.

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.

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Q:What are the differences between the 6063 aluminum bars and the 6061 aluminum rods?
The casting temperature of the aluminum bar should be chosen with reasonable casting temperature. The scientific casting temperature is the guarantee of the quality of the 6063 aluminum bars. The casting temperature is too low, and it is easy to produce casting defects such as slag inclusion and pinhole.
Q:Can aluminum bars be used as car wheels?
Aluminum bar also depends on his composition is not A356, and now in addition to forging ingredients are different, basically A356
Q:What are the requirements of industrial profiles for aluminum bars?
Profiled material depends on the customer's material requirements to deal with! The material requirements of industrial profiles depend on the scope and requirements of this profile!
Q:Is the LC4 aluminum bar the same as the 7075 aluminum bar?
LC4 is the old name for 7A04 aluminum bars. The chemical composition is a little different, but the performance should be the same
Q:Aluminum bars 5000 and imported aluminum rods 7075 which is good corrosion resistance?
The 5000 Series is AL-Mn alloy, is one of the most widely used aluminium alloy, the strength is high, especially with anti fatigue strength: ductility and high corrosion resistance, heat treatment can strengthen, in the semi cold hardening plastic plastic is good, low cold hardening, resistance good corrosion, good weldability, machinability, polishing.
Q:Why should two two iron bars and two aluminum rods be used in a water heater?
This method is usually used by pure water machines and manufacturers. But it has been exposed so many times that it is hard to cheat any more.
Q:Which expert can help me solve the 6063 alloy aluminum bar product code?
Only at 76012000 and 7604291010, which should be forged;Personally think it should be the first 76012000
Q:How to break the tooth of woodworking saw blade for cutting aluminum rod
Aluminum alloy saw blade used for cutting aluminumYou cut the aluminum with a woodworking saw blade, and their teeth will damage you in a different wayFor cutting aluminum, buy professional saw blades
Q:Why is the temperature of the extrusion cylinder lower than the aluminum bar and die temperature?
2. has excellent plasticity, can be high-speed extrusion into a complex structure, thin-walled, hollow profiles, or forged into complex structural forgings. Wide range of quenching temperature, low sensitivity to quench, after extrusion and forging release, as long as the temperature is higher than the quenching temperature, that is, water or water can be used to quench. Thin walled parts (delta <3mm) can also be subjected to wind hardening. 3., excellent weldability and corrosion resistance, no tendency to stress corrosion cracking. In the heat treated reinforced aluminum alloy, Al-Mg-Si alloy is the only alloy that has not found the phenomenon of stress corrosion cracking. 4., after processing, the surface is very smooth, and easy anodizing and coloring. The disadvantage is that after quenching, if it stays at room temperature for a period of time, it will have an adverse effect on the strength of the aging (parking effect). AC current is indeed spiral motion. The current is mainly concentrated on the surface of the conductor, so that the effective cross section of the conductor decreases. In addition, the alternating current and "proximity effect", the same four copper bars stacked together, the current will repel each other, resulting in copper current on both sides of the two big middle small current. Similarly, the skin effect and proximity effect exist in the steel cored aluminum strand.
Q:I would like to know the benefits of the aluminum bar homogeneous process and some related knowledge, know the master, please let me know, thank you!
Homogenizing furnace is an indispensable equipment for improving the quality of aluminum products. After homogenizing the aluminum bars, the internal components (Mg2Si and Fe) are uniform.

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