Pre painted alu sheet for diferent color

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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:High quality Aluminum or Mediocre Carbon frames?
You are only talking about a difference of ounces between a high quality aluminum frame and a mediocre carbon frame. The difference is that you will be buying a new carbon bike in a few years when it cracks and wears out. Most of the weight of a bicycle is the components, anyway. A steel framed bike with well chosen components can be as light or lighter than a carbon framed bike with poorly chosen components. Keep in mind that carbon fiber bicycles are built for racing, and hardcore dedicated racers don't use the same bike for years at a time. The top racers don't even use the same bike for a year. I don't know about you, but i don't have a sweet sponsorship deal, so I have to buy my own bikes, and when I do buy a bike, i expect it to last a long time. Since the weight difference between a high end aluminum bike and a carbon fiber bike is pretty miniscule, factor time and cost over time in to your equation. Is a weight savings of one pound worth having to buy a new bike every three to five years instead of every ten years or more? An aluminum bike will easily last twice to three times as long as the carbon bike, so when you are doing your math, double or triple the cost of the carbon bike to see what riding on carbon will cost you over time.
Q:Aluminum vs Carbon road bike frame?
Carbon fiber and aluminum are newer and increasingly popular substitutes for the original bike frame material, steel. In the early 21st century, carbon fiber gained a reputation for being lightweight and the latest frame technology, but advancements in aluminum alloys and frame construction make the two frame materials equal contenders for best material. Almost all carbon fiber bicycles are designed for competitive road riders, who can get increased speed from riding on such a lightweight material. In contrast, aluminum frames are available for road, mountain, cyclocross, hybrid and other models of bikes as they come in different grades. Carbon fiber frames are not always lighter than aluminum frames. Weight depends on construction methods. According to outdoor equipment retailer REI, when it comes to bike frames, the more you pay, the less it weighs, and this holds true for carbon fiber and aluminum bikes. Compare two bikes of any frame material, and the lighter one will cost less. Due to the weight forces operating on a loaded-down touring bike, carbon fiber is a poor choice for such trips, as well as for any sort of off-road riding or trick riding. Lance Armstrong notes that the areas where metal fittings, such as fork ends, bottom bracket shells or headsets, attach to a carbon fiber frame are particularly weak. Carbon fiber is excellent for racing, with its combination of durability and weight. Aluminum frames handle better the weight and shocks of grocery shopping, commuting and trail riding.
Q:The difference between aluminium alloy and aluminium plate
Aluminum Alloy is a kind of nonferrous metal structural materials widely used in industry, has been widely used in aviation, aerospace, automotive, machinery manufacturing, shipbuilding and chemical industry. In recent years, with the rapid development of science and technology and industrial economic structure, increasing demand for Aluminum Alloy welding, the welding of aluminum the alloy also further widely used. Aluminum Alloy promoted the development of welding technology Aluminum Alloy, at the same time the development of welding technology and expand the application field of Aluminum Alloy, so Aluminum Alloy welding technology is becoming the research hotspot. A Aluminum Alloy: aluminum based alloy in general. The main alloying elements copper and silicon, magnesium, zinc and manganese, minor alloying elements such as nickel, iron, chromium, titanium, lithium and so on.
Q:how reliable are today's aluminum block engines?
The problem with the Vega was not so much that it had an aluminum block, as it was an unsleeved aluminum block, i.e. the pistons ran directly on aluminum bores (actually it was an aluminum/silicon alloy that was injection molded, very advanced technology for the time). Although Mercedes had already done this on some of their cars (with mixed success), it didn't work well in the Vega, the bores would scuff and score, and the engine would burn oil badly, sometimes in only 15,000 miles or so. Rebuilt Vega engines had iron sleeves installed and were very sought after. As long as an engine has iron sleeves in the bores there is no reason it shouldn't last as long as an iron engine. There is actually more to worry about with aluminum cylinder heads, they are generally not as durable as iron ones, though they are almost universal now. The fact is, engine technology has come a long way since the 70's, and most modern engines will reach 200k with good maintenance if they are not abused, aluminum or not.
Q:How much is a square inch of a millimeter aluminum plate?
Weight 2.68 kg / square meterThis explanation is not difficult to explain the same square metre. Why is the weight different?
Q:Why is aluminum conductive if alumina is an electrical insulator?
Aluminum is an efficient conductor of electricity. A usual fabric that is not conductive is glass but glass will habits heat. Wood isn't warmth conductive or an electricity conductor however has a low combustion factor. You probably have a specific utility you are watching for then you definitely'd better ask extra certain questions.
Q:How to carry out drawing process in aluminium plate
Now in a lot of aluminum will be drawing this art, this process not only in the production process, make products more detailed, but also can achieve the anti rust and anti erosion effect, make consumers more love and choose to come to order.I believe in the understanding of how to finish drawing aluminum wire drawing processing, processing and production workers in the future will get better technical support, help production and processing areas produced drawing aluminum has improved the quality. If you think this technology is worthy of promotion and application, may as well apply to your workshop, in the effect and quality will be on the first floor.
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 it true that heated aluminum causes Alzheimer's?
They felt that used to be the case because of the aluminum seeping into the food. Hard to find an uncoated aluminum pot now. You get more aluminum from deodorants and antacids than cookware. You shouldn't though cook or store tomatoes in aluminum...and that's just the reaction in chemistry.
Q:Still aluminum in stainless steel cookware?
First of all, there is no link between health problems and aluminum. Years ago, they thought there might be a link between alzheimer's and aluminum, but that has since been disproved. Secondly, stainless steel is a poor conductor of heat. But the stainless is a great, sturdy, non-reactive metal to use for cookware. So they add aluminum or copper to it's core to help it heat properly. Copper will cost you an arm and a leg, so all other cookware uses aluminum. If you had stainless cookware with no aluminum, it would take you an hour to boil water and your food would cook terribly unevenly. The outsides would burn before the inside cooked. So no, you won't find stainless without aluminum unless it's copper cored. But again, aluminum will do you no harm. You wrap your food in tin foil, which is aluminum. You eat food that has been sitting in aluminum cans on the shelf for god knows how long. And the anti-perspirant you use every morning? Check the ingrediants. Aluminum. Right on your lymph nodes. Stop worrying. Still worrying? aluminum is basically poreless. No aluminum will leach through. You are safe.

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