Aluminum 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:Is the elongation of aluminum bars related to the diameter?
In fact, there is a Hall-Patch formula can refer to the relationship between the size of the crystal material strength formula. As for the size of the tensile test sample, it is required to design the length, width, ratio and style according to the national standard.
Q:What's the effect of manganese in 3003 aluminium bars?
Adding manganese into aluminum to obtain aluminum manganese system antirust aluminum. This kind of antirust aluminum has high corrosion resistance and its strength is much higher than that of pure aluminum. Therefore, the service life of antirust aluminum products is several times longer than that of pure aluminum products.
Q:6061-T6 hardness of 6061 aluminum bar, now what price is there anyone knows?
6061 is a deformed aluminum alloy material grade, T6 refers to the aluminum alloy heat treatment state, T6 means that aluminum alloy by solid solution heat treatment and artificial aging, aluminum alloy T6 state hardness is the highest.
Q:What are the requirements of industrial profiles for aluminum bars?
Industrial profiles are divided into assembly lines and profiled bars! The domestic assembly line profiles are mainly made of 6063 material!
Q:Which corrosion resistant aluminum bars 2A12 and LF21?
Mainly used in the manufacture of a variety of high load parts and components (but excluding stamping parts, forgings), such as aircraft skeleton parts, skin, bulkhead, wing ribs, wing beams, rivets and other parts below 150 degrees celsius.LF21 AL-Mn system is a kind of antirust aluminum alloy, the most widely used, the strength of the alloy is not high (slightly higher than that of pure aluminum), can be strengthened by heat treatment, so the use of cold processing methods to improve its mechanical properties in annealing state have high plasticity, in the semi cold hardening plastic is good, when the low plasticity of cold hardening, good corrosion resistance, good weldability, poor machinability. tc.
Q:Aluminum bar flaw detector which good?
Consider Suzhou diamond electronic technology limited company, engaged in the series of eddy current flaw detector, sorting instrument, ultrasonic flaw detector, tube bar, metal parts, auto parts R & D automatic flaw detection system of production, provide a complete detection method and process of product quality to meet user requirements to improve the quality of all the rapid detection for customers, products widely for electric power, aerospace, military industry, metallurgy, 112379.jpg machinery manufacturing industry. Especially in the pipe, rod, wire and other metal parts, auto parts nondestructive testing in the leading position in china.
Q:What is an aluminum rod intermediate frequency heating furnace?
The utility model relates to an aluminum rod heating furnace for extrusion, which is suitable for heating larger diameter aluminum bars, has fast heating speed and relatively accurate temperature control.
Q:What's the difference between cast aluminum bars and extruded aluminum bars?
Production process of standard extruded aluminium barsThe aluminum bar production line can be divided into casting workshop, mould workshop, extruding workshop (1) / (two), aging workshop and packing workshopWarehouse and aluminium bar warehouse. The company's general production process is: casting workshop, aluminium bar warehouse, extrusion workshop, aging workshop, packingWarehouse to finished warehouseThe following analysis focuses on the casting workshop, extrusion workshop and Aging Workshop. (1) the casting processThe final purpose of casting process is the production to meet the requirements of the aluminum rod, and to produce the aluminum rod, to go through the process of melting, casting, cutting bar, aluminum rod casting workshop process of smelting process, uniform cooling, washing bar, aluminum rod into the warehouse,.
Q:What coolant does the aluminum bar drill with?
Mainly used in aluminum alloy, stainless steel, copper alloy, alloy steel and other metal materials cutting, grinding, grinding, drilling and other metal processing operations.
Q:Hello, I just graduated from University, want to use aluminum into aluminum bar, do you need what kind of machine
It is suggested that a small workshop be visited on the spot, which is a technical activity, and the yield of water will directly determine the profit and loss.

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