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| Anodised aluminium sheet adds ＂gold＂ to building wall |
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Posted by: haomeialu - 02-06-2018, 08:05 AM - Forum: Knowledge & Technique
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Along with the development of various trades and professions, people in the thinking of the sky, constantly create more people's things.In the exterior decoration, from the traditional brick and water sediment, development Ceramic tile, board decoration, the development of metal curtain wall, all along with the direction of benefit of the people.
In the metal curtain wall, Anodised aluminium sheet curtain wall is most popular. Anodised aluminium sheet curtain wall is the exterior wall of various buildings, hall facade, column decoration, elevated corridor and human ,the decoration of tianqiao, elevator package, balcony packaging, advertisement sign, indoor and opposite condole, is a kind of lightweight wall with decorative effect commonly used in modern large and high-rise buildings.
There is a reason why so many buildings use Anodised aluminium sheet for the curtain wall.Anodised aluminium sheet as metal profile, with metal hardness, and anodized aluminum plate easy Cleaning can protect the building.At the same time, the Anodised aluminium sheet has an excellent anti-corrosive effect, whether it is seawater, ultraviolet or air pollution ,the anodized aluminum plate could not be damaged, thus extending the life of Anodised aluminium sheet so that protected buildings could also extend life.And then you add the aluminum anode oxygen ,the various colors of the aluminum plate can satisfy the demands of the general fashion people for different colors. It is more conducive to creative design, and the top design masters like to use colorful ,the Anodised aluminium sheet makes the curtain wall.
The advantage of Anodized Aluminum Sheet
1. Good processability
Anodized Aluminum Sheet is decorative strong, moderate hardness, it can bend easily, suitable for continuous high-speed stamping, convenient to process into products directly, no need complicated surface treatment, greatly reduce the production cycle and production cost.
2. Good weathering resistance
The standard anodizing layer 3μm of Anodized Aluminum Sheett for the indoor long time use, is not discolored, non-corroding, not oxidated and no rust. With thick anodized layer 10μm of anodized aluminium sheet, suitable for outdoor use, it is not discolored during expose to the sunlight.
3. Strong metal feeling
After anodizing, the aluminium surface become high hardness, up to gem grade, good scratch resistance. There is no paint cover, preserve the metallic color of the aluminium sheet, highling the modern metallic feel, improve product level and added value.
4. High fire retardancy
Pure metal products, there is no paint and no any chemicals on the surface, not burning at 600℃ high temperature, no poisonous gases are produced, meet environmental requirements.
5. Strong fouling resistance
No gingerprints, no blemishes and marks, easy to clean, no corrosion spots are produced.
6. Good applicability
Wide-range use, suitable for metal ceiling, curtain wall plate, aluminum composite panel, fire-proof plate, aluminium honeycomb board, aluminium panel, electrical panel, cabinet panel, furniture panel, etc.
Haomei Aluminium is specialized in the Anodized Aluminum Sheet products. Our main products are anodized titanium silver, matt, wire drawing, wire pressing, polishing, mirror, electrolytic coloring series. Producing width under 1550mm, thickness from 0.1mm upto 3.0mm, anodized aluminium sheet are widely used in lighting, indoor and outdoor decoration, home appliances, building, consumer electronics, solar, and so on.
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| Multi-functional anodized aluminum sheet |
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Posted by: aluhm - 02-06-2018, 08:02 AM - Forum: Knowledge & Technique
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With the development of society, the production of anodized alumina sheet is increasing. What is the reason for it to constantly replace other materials and become the main decorative material for our life? The surface of the anodized aluminum sheet has a dense layer of oxide film, which is consciously increased by people, and because of the protection of this oxide film, the function of the anodized aluminum sheet has increased a lot.
Firstly, the oxide film can enhance the corrosion resistance and wear resistance of the aluminum plate surface, and also have the function of anti-scratch and anti-static.
Secondly, ornamental.Soft metal texture, colorful optional color, make the anodized aluminum sheet in the decorative market.
Finally, insulation. In most people's common sense metals are electrically conductive, which is why wires are made of metal.But maybe you don't know that there are metals that can be treated technically and can be insulated.Aluminum anodized is such an insulating metal. After oxidation treatment, special oxide film, effectively block the flow of power supply, so use the anodized aluminum sheet to make home appliance panel, no longer worry about the danger of leakage.
Multi-functional anodized aluminum sheet, superior superior, make it replace other material continuously, become our life main adornment material.
Haomei Aluminium is specialized in the Anodized Aluminum Sheet products. Our main products are anodized titanium silver, matt, wire drawing, wire pressing, polishing, mirror, electrolytic coloring series. Producing width under 1550mm, thickness from 0.1mm upto 3.0mm, anodized aluminium sheet are widely used in lighting, indoor and outdoor decoration, home appliances, building, consumer electronics, solar, and so on.
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| Introduction and Advantages of Anodized Aluminum Plate |
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Posted by: haomeialu - 02-06-2018, 07:59 AM - Forum: Knowledge & Technique
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Chemical oxidation of aluminum plate is aluminum plate in weakly alkaline or weak acid solution, part of the matrix metal reaction, make its natural oxide film on the surface of the thickening or produce other passivation membrane process, the commonly used chemical oxidation film with phosphoric acid and chromic acid membranes, they do thin adsorption, nice, coloring and sealing hole processing can be performed.
Introduction of anodized aluminum plate
Anodized aluminum plate is used as an anode in the corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid etc.) and electrolysis under certain conditions and external current.The aluminum plate of the anode is oxidized and the thin layer of alumina is formed on the surface. The thickness of the anode is 5 ~ 20 micrometers. The oxide film of hard anodic can reach 60 ~ 200 microns.After the anodic oxidation of aluminum plate, improves the hardness and wear resistance, can reach 250 ~ 500 kg per square millimeter, good heat resistance, hard anodic oxidation film melting point as high as 2320 k, excellent insulation, resistance to breakdown voltage of 2000 v, to enhance the corrosion resistance, hitches in omega = 0.03 NaCl salt fog corrosion thousands of hours.The thin layer of oxide film has a large number of micropores, which can absorb various kinds of lubricants, suitable for making engine cylinder or other wear-resisting parts.The film microporous adsorption ability can be colored into various beautiful and colorful colors.Non-ferrous metals or their alloys (such as aluminum, magnesium and their alloys) can be treated with anodic oxidation.
![[Image: anodized-aluminum-sheet.jpg]](http://thick-aluminum-plate.com/images/aluminumsheet/anodized-aluminum-sheet.jpg)
Advantages of anodized aluminum plate :
(1) good workability, high oxidation aluminium plate, adornment sex is strong, moderate hardness, can be easily bending forming, continuity high-speed stamping, convenient and directly processed into products, surface treatment need not be complicated, greatly shorten the product production cycle and reduce the production cost.
(2) good weatherability: the standard thickness oxide film (3 mu m) of anodized aluminum plate is used for a long time without discoloration, corrosion, oxidation and rust.The anodized aluminum plate of the thickened oxide film (10 mu m) can be used outside, but it can be exposed to the sunlight for a long time.
(3) strong metal feeling: the anodization of aluminum plate surface hardness, grade gems, good scratch resistance, surface paint coverage, keep aluminum sheet metal color, highlight modern metal feeling, improve the product grade and added value.
(4) fire-proof height: pure metal products, without paint and any chemical substances, 600 degrees of high temperature do not burn, produce no poisonous gas, meet fire protection environmental requirements.
(5) strong anti-fouling: leave no fingerprints, no stain marks, easy to clean, no corrosion spots. 【Anodized aluminum plate】
(6) strong applicability: widely used, suitable for metal aluminum ceiling, curtain wall panel, aluminum plastic plate, fire prevention plate, honeycomb aluminum plate, aluminum veneer, electrical plate, cabinet plate, furniture plate, etc.
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| What is 1350 aluminium/aluminum alloy ? |
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Posted by: aluhm - 02-06-2018, 06:44 AM - Forum: aluminium faq
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Pure aluminum is soft and malleable, but most applications require greater strength and different properties than pure aluminum can provide. This is accomplished by the addition of different types, quantities and combinations of alloying elements and/or through temper differences. 1xxx series alloys, such as 1350 aluminum, are extremely useful in many specialty applications.
Aluminum Alloy 1350 is a high (99.5% min.) aluminum-content alloy with small additions of silicon, iron, copper, manganese, and other elements. Alloy 1350 is highly conductive and has good formability. It is a non-heat treatable aluminum and is the alloy of choice for electrical conductors. This alloy has excellent formability and corrosion resistance,since there are virtually no other metallic elements present, the integrity of the naturally occurring aluminum oxide film is not disrupted and less corrosion occurs.1350 O aluminum foil is mainly used for transformer winding.
There are two principal groups of wrought aluminum alloys – heat treatable and non-heat treatable.Alloys in the 1xxx series are non-heat treatable, which means they cannot be strengthened by heat treatment. Any additional hardening must be done by cold work (strain hardening).
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| The Processing of Aluminum Strip/Foil/Coil |
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Posted by: haomeialu - 02-06-2018, 06:43 AM - Forum: Knowledge & Technique
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Aluminum strip/foil is processed by aluminum-coil slitting process.It is an important raw material in industry.
Aluminum strip /foil and aluminum plate are divided into 8 series according to the different alloying elements in the aluminum strip.
Depending on the annealing state of the aluminum strip/foil, the aluminum strip/foil can be divided into soft (O-temper) half-hard (H24) hard (H18). At present the most commonly used should belong to the soft series, because the O state is easier to stretch and bend .
The main processing equipment of the aluminum strip/foil is the dividing unit, which can be divided into the required length and width according to the need. Of course, the processing equipment is universal, can also be used for processing copper coils,and the processed products called copper tape or coil strip.
At present,the raw materials for electronic products for are no longer purely dependent on the copper strip, because the conductivity of aluminum is only lower than copper,and its price is much lower than copper price , so the aluminum strip/foil is becoming a popular in electronic and power industry.
In terms of thickness, aluminum foil can be divided into heavy gauge foil,medium gauge foil and light gauge Foil.
Heavy gauge foil is in thickness of 0.1-0.2 mm.
Medium gauge Foil's thickness between 0.01-0.1mm.
Light gauge foil's thickness is usually between 0.005~0.009mm.
Heavy gauge aluminum foil is widely used for air conditioner , condenser fins , transformer winding as well as reactors.
Medium gauge aluminum foil and light gauge aluminum foil are mainly used for packing,lamination and printing.
Aluminum strip/foil used for transformer winding is plain aluminum foil,while aluminum foil for packing are mainly color coated aluminum foil.
Packaging aluminum foil mainly includes 1000,3000,8000 series aluminum foil products.The common grade are 1050,1060,3003,8011, alloy tempers are commonly H14, H16, H18 .
The development of aluminum packing market has benefited from the boom of China's packaging industry.This also greatly spurred the consumption of aluminum packing foil, China's annual demand for aluminum foil has reached more than 300,000 tons.China now is the third packaging aluminum power after the United States and Japan.In the next few years, the growth rate of packaging aluminum material will be much faster than that of aluminum material used for air- conditioning and cable industry .
In developed countries, soft packaging has become one of the main packaging forms of food and beverages, replacing canned and bottled goods within a certain range. In recent years, China's soft packaging market development is also very fast,. Flexible packaging is moisture-proof, fresh-keeping, meanwhile of patterns and text, can be easily printed on it.Light gauge aluminum foil is the ideal material for modern commercial packaging.
Pharmaceutical packaging aluminum Foil mainly is PTP aluminum foil,. PTP aluminum foil is moisture- proof, easy to carry, safe and hygienic. In China, we began to use PTP aluminum foil since 1985. With the rapid development of pharmaceutical market and drug foil market in recent years, the market share of aluminum foil in the pharmaceutical packaging application will be expanded.
haomei aluminium produces high quality aluminum foil for transformer windings ,and suppliers various aluminum foil
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| Five 3000 series aluminum alloys you may want to know |
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Posted by: aluhm - 02-06-2018, 06:41 AM - Forum: aluminium faq
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3000 series aluminum alloys are also known as aluminum-manganese alloy, the manganese content is 1-1.5%. They are rust-proof aluminum alloy. 3000 series aluminum alloys' strength is better than pure aluminum alloys, but 3000 series aluminum alloy are not suitable for heat treatment to strengthen the performance. But when they are treated with the cold processing (cold rolling mill rolling) and annealing process a good plasticity is available.
3000 series aluminum alloys have good corrosion resistance and welding performance.They can be used in many industries, such as building decoration industry, electronics manufacturing, automobile manufacturing and so on.
Main grades of 3000 series aluminum alloys are 3003 aluminum, 3004 aluminum, 3104 aluminum, 3005 aluminum, 3105 aluminum.
1. 3003 grade aluminum alloy is the most used alloy among 3000 series aluminum alloys. It is easy to process. It can be painted on the surface of the original aluminum color paint to make decorative curtain wall panels, and indoor ceiling with aluminum ceilings. Bent by the pressure machine,3003 aluminum alloy can become aluminum tiles, which is light and durable. Compared to 5052 aluminum alloy, 3003 aluminum alloy’s price is cheaper, and its welding performance is also very good. Some truck fuel tank manufacturers also use 3003H24 aluminum plate to replace the 5052 production tank.
2. 3004 aluminum alloy’s strength higher than that of 3003 aluminum alloy , and with a better performance, 3004 aluminum alloy can be used as tank/body of aluminum cans, containers for chemical and liquid products.
3. 3104 aluminum alloy and 3004 aluminum alloy composition is very similar.It is of high strength and easy to process. The TV manufacturing industry often use 3104-O aluminum plate to make back panel of LCD , stamping convex package, add electronic components. This can not only reduce the total weight of finished products, but also to ensure a good heat dissipation.
4. 3005 aluminum alloy is mainly used for high-end color coated aluminum coil, building materials, roof partition, air conditioners, refrigerators etc.
5. 3105 aluminum alloy can be used for the production of can/bottle caps, cover lids other stamping parts.
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| Aluminum circles/discs advantages and applications |
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Posted by: haomeialu - 02-06-2018, 06:40 AM - Forum: Knowledge & Technique
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Aluminum discs are a kind of aluminum products deep processed by aluminum plates. Nowadays, the demand for foreign markets is relatively large. Aluminum discs are light and cheap. Most of the domestic production of aluminum discs is exported to all over the world. Aluminum discs are bright, beautiful.Shaping and surface treatment are acceptable.Deep drawing and spinning treatment, are common for aluminum discs ,which means aluminum discs' tensile strength and elongation should be high.
The demand for aluminum discs is increasing in recent years. Aluminum discs are widely used in electrical appliances, insulation, machinery manufacturing, automotive, aerospace, military, mold, construction, printing and other industries, such as kitchen utensils such as non-stick pan, pressure cookers, Supplies such as lamp shade, water heater shell, is the largest amount of aluminum deep processing products. Uses: lamps, shades, cooking utensils, aluminum pots, aluminum pots, aluminum pots, electric kettle thermal chassis, rice cooker liner, no smoke pot, fine iron pot, European pot, non-stick pan, aluminum bottle, aluminum bucket, road sign , some aluminum containers, aluminum shell of capacitors.
Usually aluminum discs are made of 1050-0 aluminum or 1050 H4 aluminum that can endure stamping, spinning and do not generate cracks.
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| 1000 series aluminum's characters |
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Posted by: haomeialu - 02-06-2018, 06:37 AM - Forum: Knowledge & Technique
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1.1000 series aluminum is light and bright
The density of 1000 series aluminum is close to 2700 kg/m3. Aluminum foil and aluminum plate have lustrous surfaces.
2.1000 series aluminum can be strengthened
Cold processing can increase 1000 series aluminum’s strength. And by adding magnesium, zinc, copper, manganese, silicon, lithium, scandium and other elements of alloying to 1000 series aluminum alloy, and then through heat treatment, its strength can be further enhanced to the level of steel.
3. Easy to process
All casting methods are acceptable for 1000 series aluminum. 1000 series aluminum has good plasticity, and can be rolled into thin plate and foil, or extruded into pipe and filament etc.
4.Good corrosion resistance
1000 series aluminum and other aluminum alloys’ surface are easy to produce a dense layer of protective film. This film only under the influence of halogen ions or alkali ions will be destroyed. Therefore, aluminum has a good resistance to the atmosphere corrosion and water corrosion (including industrial atmospheres and marine large steam). And they can resist the corrosion of most acid and organic matter. If corrosion inhibitor is adopted, aluminum can withstand weak alkali liquid.
5. No low-temperature brittleness
Under 0℃, as the temperature decreases, the strength and plastic injustice of aluminum will not decrease, instead they will be improved.
6. High conductive and good thermal conductivity
1000 series aluminum’s conductivity generally is over 60%.
7. High reflectance
Aluminum polished surface to white light reflectivity of more than 80%, the higher the purity, the higher the reflectivity. At the same time, aluminum on infrared, ultraviolet, electromagnetic wave, thermal radiation, etc. have good reflective performance.
8. No magnetism, no spark of impact.
9. Aluminum can absorb sound and noise.
10. Aluminum is of radiation resistance.
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| How to Prevent Aluminum Foil From Corrosion ? |
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Posted by: aluhm - 02-06-2018, 06:36 AM - Forum: aluminium faq
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(1) Strengthen the management of air -drying to ensure that there is no water in the compressed air.
(2) Strengthen the management of rolling oil.The water content in the rolling oil should be less than 0.04%.
(3) The packaging of aluminum foil rolls should be sealed, and a proper amount of desiccant should be put into each roll.
(4) The humidity of wooden shaft, wooden case should be under 18%. Make sure the temperature should not surpass 45 ℃ when the aluminum foil are packed.
(5) When the aluminum foils are transferred to a place where the temperature and humidity is higher that the place it is stored, do not open the sealed packaging immediately.
(6) Do not store aluminum foil at dilapidated workshops or warehouses that are easy to be attached by rain and snow.
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| Brazing Aluminum Alloys |
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Posted by: haomeialu - 02-06-2018, 06:35 AM - Forum: Knowledge & Technique
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Brazing aluminum foils/plates are widely used in the manufacture of various heat exchangers.
The Aluminum-based solder, Al-Si alloy has a low melting point, good fluidity, which makes it suitable for solder. Typical aluminum-based solder is 4343 aluminum alloy , 4045 (ASTM) aluminum alloy and 4004 aluminum alloy.
Industrial pure aluminum (1000 series aluminum ), Al-Mn alloys, and 6951(ASTM) aluminum alloy in Al-Mg-Si alloys have good brazing properties and can be brazed with the above-mentioned aluminum-based brazing materials.
6061,6053 (ASTM) and 6063 aluminum alloy the also have good brazing properties, but because their initial melting temperatures are lower than those of industrial pure aluminum and Al-Mn alloys.Thus the brazing temperature must be strictly controlled to prevent excess of proper temperature. 4004 aluminum alloy solder contains magnesium; it is suitable for vacuum brazing.In the brazing process,by the reaction of the furnace residual oxygen and water, magnesium vapor plays a role of purification. Magnesium vapor can also inhibit the re-oxidation of brazing aluminum alloy.
Aluminum alloy brazing plate is usually made of aluminum manganese alloy (3A21,3003 aluminum alloy ) core material and aluminum-based solder cladding composite panel. The aluminum-based solder is placed on one or both sides of the core ingot and preheated to the hot rolling temperature (about 500 °C). After hot rolling, then it will be cold-rolled into a sheet, and the coating is completely pressed to the core material. The thickness of the cladding layer is 5% to 15% of the thickness of the core material.
Aluminum alloy brazing plates are usually used as a component of the brazing assembly and the other part is an unclad, braze-able aluminum alloy material. When it is brazed, the entire assembly will be put into the furnace or undergo a salt bath and evenly heated to high temperature.The solder on brazing plate will melt, by capillary and gravity flow, it will fill the parts where connection is required.
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