Aluminium circle for any use

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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.

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Q:Aluminium car body!!!?
Do a google search for electrolysis of an acid.
Q:is there any tool that will pick up aluminum nails?
sadly, magnets do not work on aluminum, however, the are light enough, to be picked up by a vacuum.
Q:how would you use aluminum to extract silver from film?
The silver in film is part of a silver salt (silver halides.) It is a very very small amount, probably less than 1 cent worth per roll. You would be a lot better off selling the film than trying to extract the silver from it. If you are hell bent on it, the first step is to expose the film to light. This will break the silver from the halides. Then you can go about trying to figure out how to get the silver apart from the film. I am sure it is possible, but it would involve a lot of work. I imagine you you would spend about $100 on ever $1 worth of silver you could extract.
Q:Is This Aluminum Oxide?
Aluminum oxide is white and powdery in texture. It also takes a bit longer for aluminum to oxidize than iron, so I don't think you could have cakes of aluminum oxide in 4 days. If the cakes you are describing are reddish in color, then no, it is NOT aluminum oxide. It is good old fashioned ferric oxide- rust from iron.
Q:Can you temper aluminum or tin?
No. In fact, aluminum (and I believe tin) work harden when hammered - as do brass and copper and you heat to anneal and then you can cool fast or slow, still soft. Tin has a very low melting point and hitting it with a torch, especially if thin, will probably put a hole in it. The chances of you actually having tin sheet metal are very low - tin cans are zinc plated steel or some other coating. Steel does harden when quench, but heating tin or zinc coated metal is likely to damage the coating and perhaps give off noxious fumes - especially zinc.
Q:Excuse me: what kind of aluminum sheet is the cheapest? Which materials are more expensive?
Among them, 3003 for aluminum manganese alloy, the lowest price in the 3 series, and then 3004.3104, for aluminum, magnesium, manganese alloy than 3003 price to be slightly higherThird bit, 5 series, i.e. aluminum magnesium alloy, such as 5005.50525083. 5005 of these prices are slightly lowerThen, the ---2 system and --4 system and --7 system of the 6 series are derived
Q:Why is aluminum preferred over iron-based alloys in the aerospace and?
Strength-to-weight ratio.
Q:anyone know any mind blowing aluminium facts?
Aluminium is extremely flammable. We use it in thermite welding and as solid rocket fuel. The Emperor Napoleon carried* an aluminium fork while the lower royalty had to make do with gold forks. *In those days people carried their table wear around with them same as we carry our car keys.
Q:Is there aluminum in tin?
aluminum and copper
Q:What kind of welding rod should be used for aluminum plate, welding and welding?.
Aluminum plate welding, now mostly choose TIG welding, MIG welding to welding, selection of welding rod is less. If the choice of electrode welding, can recommend selection of MG400 electrode, the electrode is produced by American MG welding, gas welding and welding, can all Aluminum Alloy, good welding performance. Need to use DC welding machine, welding electrode as far as possible upright, welding speed is relatively fast, about two times the carbon steel electrode. A kilogram of electrodes is nearly seventy.

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