Aluminum brazing sheet for any

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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:Not just cans. How is aluminum recycled and what is the process. Not the scientific formula! How its done entering the plant.
Aluminum okorder
Q:How does 1200X1200X15 6061 aluminum, CNC processing, the plane degree can reach the number of my clients to 0.2, but I used to use the MS 1000X1500X70 to the material processing, the flatness is only 1, please experienced friend to help, thank you
The first rough machining, no precision position of the first place, finishing allowance for heat treatment of unilateral 0.15MM, and then remove the stress of 420 degrees Celsius for 4 hours, with the furnace cooling (very important), doing fine processing, can guarantee within 0.03
Q:Does anyone know why Mercury -(Thimerosal) is used in Flu Vaccinations and where Mercuryisnot used Aluminium in other vaccines ? While these are known to be toxic metals, can these cause headaches, severe hot burning heads and or Sinusitus ?
Thimerosal is not the same as mercury. It's a mercury-based preservative which to prevent the growth of germs, bacteria and fungi, that can contaminate them. It's used in seasonal flu vaccine because the vaccine is produced in large quantities and often in multi-dose vials. Thimerosal helps safeguard against possible contamination of the vial once it is opened. The aluminum in vaccines is aluminum hydroxide, aluminum phosphate, alum (potassium aluminum sulfate), or mixed aluminum salts. They're an adjuvant added to enhance the immune response in the vaccinated individual. Whether or not something is toxic has to do with how much a person receives not the substance itself. People can die from drinking too much water, but we don't go around calling water toxic. The amount of mercury or aluminum in vaccines is so small that it's not toxic. You ingest more mercury by eating fish and a baby ingest more aluminum in breast milk than they get in a vaccine. So if mercury and aluminum caused head aches, severe hot burning heads or sinusitis in a person, that person would have a lot more to worry about than vaccines since they would be exposed to those things in so many other ways.
Q:I am doing a report on machining aluminum and characteristics of aluminum and can not find what the 6061 stock stands for. Looked all over library, internet, etc.
The spec for 6061 aluminium, can be found on this link - 66.102.9.104/search?q=cache:ALU5S...
Q:If I were to make an aluminum mold and cover it with a release agent, could I cast aluminum into it? Or would the two parts fuse together? I'm trying to find an alternative to sand casting.Thank you!
Aluminum okorder /... I use investment lost wax casting.
Q:My aluminum storm windows are wasting energy in my home, however, the $7000 estimate to replace them is beyond (well beyond) my comfort zone.I know aluminum is a great conductor of hot and cold. I was considering cleaning the frames, and then coating them with a brush on clear or possibly white liquid rubber to reduce the conductivity. Any idea as to how much benefit I'll realize? Is flammability going to be an issue?I need some solid answers please. Trolls go get your two points elsewhere.Thanks.Your help is much appreciated.
There are rubberized automotive undercarriage coatings that are designed to adhere to all metals, including aluminum. That would solve the problem of finding something that can stick to the frames, but I honestly don't know if it would help with the heating issue. I also believe they only come in black, I'm not sure if there's a white but it could be painted, Chassis Saver by Magnet is one I believe, the other is a Por 15 product. I'd like to know if it works though, I've got similar problems in my house.
Q:what’s the difference of activated aluminum and aluminum sheet?
contain more water and activated
Q:I have heard that drinking from aluminum cans is bad for our health. However, I have learned that today's 'aluminum' cans are actually more like a plastic can due to all the coatings, etc. Do we really have any risks associated with regular cans?
Aluminum is dangerous when you breath high levels from the air. There is no evidence that liquids stored in aluminum cans leach in enough aluminum to have any effect at all. Quite often these sorts of rumors/assertions start with that kind of kernel of truth. Remember though, chemistry is complex. A chemical that can kill you in one state/amount is pretty harmless in another. For example, hydrogen dioxide is deadly when taken in large amounts, but it is safe in the amounts we normally drink.
Q:iron-based alloys over aluminum in structural members of bridges and buildings?
Strength-to-weight ratio.
Q:I can't seem to find what uses or contains Aluminum Nitride. Help!
Don't know where you looked, but this came up with very basic web search. Metallization methods are available to allow Aluminium nitride to be used in electronics applications similar to those of alumina and beryllium oxide. Among the applications of Aluminium nitride are opto-electronics, dielectric layers in optical storage media, electronic substrates, chip carriers where high thermal conductivity is essential, military applications, as a crucible to grow crystals of gallium arsenide, steel and semiconductor manufacturing. Epitaxially grown thin film crystalline aluminium nitride is also used for surface acoustic wave sensors (SAW's) deposited on silicon wafers because of the Aluminium nitride's piezoelectric properties. One application is an RF filter used in mobile phones called a thin film bulk acoustic resonator (FBAR). This is a MEMS device that uses aluminium nitride sandwiched between two metal layers.

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