Aluminium Strip And Strips And Sheet And Sheets

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Shanghai
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TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

ALLOY: AA1***
      AA3***
      AA5***
TEMPER: H14 H16 H18 H22 H24 H26 H32 O/F
THICKNESS:0.03MM-3.0MM
WIDTH: 30MM-1700MM
COATING: PE(POLYESTER),PVDF,EPOXY
STANDARD: GB/T 17748-1999


Special specification is available on customer's requirement




SURFACE QUALITY: GOOD APPEARANCE WITH NO-CRACK AND WELL-DISTRIBUTE GRAIN.


BUILD UP: TIGHT SLIT EDGES FREE FROM CRACKS, LAYER TO LAYER SHIFT NOT MORE THAN 2MM.


PROFILE: -0/+1%


FLATNESS: MILL FLATNESS COIL HAVING EDGE WAVINESS RATHER THAN CENTER BUCKLES SHALL BE ACCEPTABLE.


ROLLING PERFORMANCE: RE-ROLLABLE TO THE FINAL DESIRES GAUGES


Aluminium foil (or aluminum foil) is aluminium prepared in thin metal leaves with a thickness less than 0.2 millimetres (8 mils); thinner gauges down to 6 micrometres (0.24 mils) are also commonly used.In the United States, foils are commonly gauged in thousandths of an inch or mils. Standard household foil is typically 0.016 mm (0.63 mils) thick, and heavy duty household foil is typically 0.024 mm (0.94 mils). Thefoil is pliable, and can be readily bent or wrapped around objects. Thin foils are fragile and are sometimeslaminated to other materials such as plastics or paper to make them more useful. Aluminium foil supplantedtin foil in the mid 20th century.


Annual production of aluminium foil was approximately 800,000 tonnes (880,000 tons) in Europe and 600,000 tonnes (660,000 tons) in the U.S. in 2003. Approximately 75% of aluminium foil is used for packaging offoods, cosmetics, and chemical products, and 25% used for industrial applications (e.g. thermal insulation, cables and electronics).


In North America, aluminium foil is known as aluminum foil. It was popularized by Reynolds Metals, the leading manufacturer in North America. In the United Kingdom and United States it is, informally, widely called tin foil, for historical reasons (similar to how aluminum cans are often still called "tin cans").Metallised films are sometimes mistaken for aluminium foil, but are actually polymer films coated with a thin layer of aluminium. In Australia, aluminium foil is widely called alfoil.


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Q:what are the grades of commercial aluminium?
If it is a product for work, yes engineers and purchasers specify the grades. If for hobby then it is up to you. Common extruded shapes (beams, tubes, angles) - 6061-T6 - 6063-T5 -T6 specifies tempering class. Actually both alloys come in various T4, T5, etc., the above are just two common combinations. 6061 is a little stronger, and T6 gets its strength up quite good. Beware that welded joints are weaker since heat removes the strength from tempering. Some common sheets - 6061 (strength) - 5052 (strength, welds better than 6xxx, good formability) - 5068 (some call it 'marine grade' for corrosion resistance) Sheets can come in many alloys.... you may get cheaper grades if you don't need one of these. (if you are casting - there's whole other system of grades.) The above are just common grades. For high strength requirement you may need a specific grade in the 7xxx family.
Q:Why the end of the aluminum coil will have a yellow spot?
The reason may be that the manufacturer is not cleaned, and must be carefully cleaned before coating, or there may be paint fall off phenomenon.
Q:Is the aluminum coil with damaged side still useful?
The side of tire, also called side wall, is the thinnest and most fragile. Side wall damages can be divided into swell and scratch. The swell is often caused by external force (The car is trapped in pit or on curb when you are driving fast). It can cause the cord thread break so that the rubber of the tire side wall cannot be fixed and tightened. The size of the swell is often as big as that of an one-yuan coin and will become bigger as the traveling distance increases. Under such circumstance, it is recommended to replace the tire. Scratch is usually caused by bad roads or debris on the road. It is recommended to replace the tire if the scratch in the side wall is obvious and the cord thread break. If the front wheels have such damages, the tire should be replaced as soon as possible (Because the steering, braking and driving is mainly based on the front wheels.). If there is no spare tire on site, change the front damaged tire with the rear tire and drive to an appropriate place.
Q:Aluminum recovery from Aluminum dross?
As Aluminum dross composition will vary from different sources Electrolytic aluminium dross w(Al)25.58, w(Al2O3)31.55, w(SiO2)5.56, w(Na2O)2~3, w(MgO)2.0~3.0, w(CaO)2.00, w(FeO)+ w(MnO)1.0 Cast aluminum dross w(Al)10, w(Al2O3)50~60, w(SiO2)3.0~5.0, w(Na2O)1.0~1.5 w(MgO)2.0~3.0, w(CaO)1. 5~3.0, w(FeO)+ w (MnO)1.0 The most popular way is mechanical recover aluminum from aluminum dross. Rotary furnace and aluminum dross recovery machine can do this work easily and effectively. You can put heating flux in the processing to get the certain temperature for the dross, them aluminum dross can be processed in the rotary furnace or aluminum dross processing machine, aluminum will be recycled from aluminum dross. It is automatic and that is such simple!
Q:Is deodorant that you buy at the store bad for your health? Someone told me there is aluminum in it?!?
You bet it does......its a compound called aluminum chlorhydrate. Its made by reacting aluminum with hydrochloric acid. Actually they use aluminum hydroxide to prevent a potential explosion hazard during the manufacturing process. Aluminium-based complexes (chlorhydrates) react with the electrolytes in the sweat to form a gel plug in the duct of the sweat gland. The plugs prevent the gland from excreting liquid and are removed over time by the natural sloughing of the skin. The aluminum salts interact with the keratin fibrils in the sweat ducts and form a physical plug that prevents sweat from reaching the skin’s surface. Aluminum salts also have a slight astringent affect on the pores; causing them to contract, further preventing sweat from reaching the surface of the skin. The blockage of a large number of sweat glands reduces the amount of sweat produced in the underarms, though this may vary from person to person. Aluminum is considered a heavy metal and has been shown (in its elemental form only) to alter the physiology of the blood-brain barrier. Antiperspirants are considered drugs by the FDA and no test yet performed shows a link between Aluminum chlorhydrate and breast cancer, brain cancer or any other cancer for that matter. Hey, you asked......
Q:Will the surface of aluminum contact water if the aluminum coil falls into water?
Yes.
Q:Calculate the specific heat of aluminum?
Heat gained by water = heat lost by aluminum Heat = H mass = m specific heat =c change in temperature = dT H = mcdT mcdT for water = mcdT for Al (23.2)(1.00)(13) = (25.0)(c(Al))(33-98) c(Al) = (23.2)(1.00)(13)/(25.0)(65) = 0.186 This value is just a bit below the known value of specific heat for aluminum, where c = 0.217 cal/g.C
Q:Why is aluminium used in buildings amd cooking?
Aluminum reacts with water under certain conditions, but cookware does not usually present any of those conditions. Aluminum cookware takes advantage of the oxidizing process, which creates a natural protective layer over the aluminum. It doesn't react with water in the same way that chemical equations say it will because cooking surfaces are designed to maximize the oxidation effect. This is basically the same reason why aluminum foil doesn't react in water. In building materials, it's less about exposure to the elements and more about how cheap and lightweight it is. Many building materials are aluminum alloys, which makes them more susceptible to corrosion than purer aluminum, and the use of aluminium roofing material, though fairly corrosion-resistant by itself (for the same reasons as cookware), gets compromised by the proximity of other metals used in construction, like non-stainless steel nails and screws, for example, or copper pipes without insulation. The trade-off is that aluminium alloys hold their shape better and have greater tensile strength, some of which approach that of steel.
Q:Why does the end face of aluminum coil have grease spots?
Process one without coolant to see whether there are spots. There is a layer of alumina membrane on the blank face of aluminum coil, which will react with basic coolant when heating through processing.
Q:Does the process of recycling Aluminum..?
I don't know the specifics, but I know it's not more than the extraction process. When aluminum is mined, it is in the form of bauxite ore. From this ore, only about half contains aluminum oxide. Then, from the mass of aluminum oxide (alumina), only about half of that will yield the pure aluminum we use for cans, airplanes, etc. So for every 2000 pounds that are mined, we only get about 500 pounds of aluminum. The process is extremely energy intensive and tears up the landscape where bauxite is mined. Transport adds to the pollution. Some of the biggest bauxite producers in the world are China, Russia, Canada, the United States, Australia, and Brazil, so overseas transport is frequently involved, especially in countries that use a lot of it. Furthermore, it is often shipped in bauxite or alumina form, when it is heavier to carry. Aluminum recycling, however, starts with the pure product and ends with the pure product, and the process is fairly quick. The aluminum can you recycle today will return to shelves within about 60 days. Furthermore, aluminum does not degrade in quality like some other materials so it can be reused indefinitely. The transport is also cut significantly, as recycled aluminum might only travel 100 miles or so to be refabricated.

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