Aluminum ingote 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:The difference between aluminum foil and aluminum foil
Aluminum foil paper is thinner, if it is edible, it is non-toxic.
Q:what is the hardness number of aluminium..?
I don't believe that Aluminum (US spelling)/ Aluminium (UK spelling) has a Mohs Hardness rating. The Hardness of a material, as measured by the Mohs Hardness scale, is a criterion of its resistance to crushing. [Perry's Chemical Engineering Handbook]. Since aluminum is a metal, and would deform under a crushing-type stress, rather than shatter, it would not have a Mohs Hardness rating. Perhaps you meant **aluminA**, rather than aluminum. Alumina (Al2O3) has a Modified Mohs Hardness of 12. Silicon Carbide (carborundum) has a Modified Mohs Hardness of 13. There's no value listed for the combination, but it should be pretty hard stuff -- likely in the 12-13 range, but potentially even harder. Hope that helps.
Q:Why can't I melt aluminum?
Is it pure Aluminum ? or an Alloy of some kind ? Are you heating the aluminum in a Steel Crucible ( bowl or spoon ) of which it will absorb much of the heat and it will be difficult to achieve the proper temp for the alum to melt. Is the Flame constant, No drafts to waver the flame off Target, In theory, the aluminum should melt if held long enough by itself over a large candle flame by tongs, also, How thick is the aluminum you are trying to melt? just trying to help, I'm no expert, but thought i'd give this a shot. Good Luck Color tells us about the temperature of a candle flame. The outer core of the candle flame is light blue -- 1670 K (1400 °C). That is the hottest part of the flame. The color inside the flame becomes yellow, orange and finally red. The further you reach to the center of the flame, the lower the temperature will be. The red portion is around 1070 K (800 °C).
Q:What is aluminum material called fine material? Is it made of aluminium bars?
Aluminum Alloy household doors and windows, window, frame material is aluminum powder aluminum fine rolling end can also paint spraying, aluminum fine material is aluminum raw material to rolling, directly buy aluminum rod back processing said of aluminum thin material not only in the household doors and windows, too in the industry, such as EMU cars, aircraft, equipment, use a lot of.
Q:Has the aluminum bat ruined USA born players?
i kinda agree, im a little in the middle. when your younger you want a kid to have fun and a great time white playing, because a kid cant hit a ball as far with a piece of wood than he would with an aluminum bat.. know what im saying?
Q:ELECTRICIANS ONLY PLEASE - Aluminum wiring?
Aluminum wiring contracts and expands more than copper wiring of similar size. This means that it has a tendancy to loosen the screws on the outlets over time. As the screws loosen, the resistance in the circuit goes up - this resistance manifests itself as heat. If it gets too hot, it can start fires. My parents owned a house with aluminum wiring, that they sold to me. In the 35 years total we've owned it, I think we've tightened the screws on the outlets three times total. Only once in all that time have we had a wall get hot. The most recent tightening was during a major repainting where we actually replaced the outlets and switches with decorator ones as we painted each room.
Q:Could ring-pull can be transformed as aluminum sheet?
Ring-pull cans will be reused after recycle, there are parts of ring-pull cans be transformed as aluminum sheet.
Q:How to classify aluminum foil according to shape?
1. Hard foil: After rolling without softening treatment (annealing) of aluminum foil, without degreasing, surface Bu there is a residual Shantou. So hard foil printing, laminating, coating must be degreased before, if used for forming can be used directly.
Q:How to identify between magnesium and aluminum.?
There is a very simple way to do this .. you don't need complex chemical tests. Aluminium is amphoteric, Mg is not. So only aluminium will dissolve in alkali [eg sodium hydroxide / caustic soda] giving bubble whereas magnesium won't. So just degrease the part and dip it in sodium hydroxide. It it starts bubling it is Al , it no reaction, it is Mg. Wash the part in plenty of running water afterwards, which will immediately stop the reaction.
Q:What is the density of aluminum plate?
Aluminum density and structure:The density of aluminum is about 2.7, about 1/3 of the average metal, and the conductivity of common aluminum conductors is about 61% of copper and half of that of heat. Although pure aluminum is very soft and malleable, it can still be hardened by cold working and by alloy. Bauxite is an important source of aluminum. It takes about two pounds of bauxite to make a pound of alumina, and two pounds of alumina is needed to make a pound of aluminum

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