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| Analysis of the cause of black spots on the surface of aluminum plates |
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Posted by: aluhm - 04-20-2018, 07:21 AM - Forum: Knowledge & Technique
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Aluminum plate is divided into pure aluminum plate, alloy aluminum plate, thin aluminum plate, medium thickness aluminum plate pattern aluminum plate. Used on construction of the aluminum plate including single aluminum plate,aluminum sheet and so on the many kinds of composite materials, generally refers to the single aluminum plate, often used in building decoration engineering, single aluminum sheet used in aluminum sheet curtain wall in recent years is relatively rare. The reasons for the black spots on the surface of aluminum plates are analyzed.
[img=720x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/03/aluminum_plate-10.jpg[/img]![[Image: aluminum_plate-10.jpg]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/03/aluminum_plate-10.jpg)
The first is the material of aluminum plate, aluminum plate manufacturer produces the upper cover is the LF21 aluminium sheet that is made of 0.5mm thick. The aluminum plate of this model has a variety of materials, similar shapes, and the same process parts, and the same time processing of similar shape parts did not have such failures. And it is not a fault of raw materials. It’s on the processing technology, cover silver plating process for roughly: outgoing parts machining pretreatment ─ ─ ─ ─ galvanized zinc leaching plating copper electroplating silver ─ ─ painting 823 ─ ─ dip coating into the Treasury.
In the process of plating on aluminum plate, it is possible that some production link of electroplating has changed, resulting in failure. However, the investigation found that, in the condition that the production conditions did not change, similar parts of the same period did not have such failure. Therefore, the factors that change the conditions of electroplating production are excluded. According to the previous production experience, the most common reason for the discoloration of silverware is the influence of sulfur element on the silver coating.
In the past, the silver-plated parts have not been packaged and sealed in a timely manner, and the silver coating has been yellowed in the electroplating factory. However, after the fault parts are plated with silver, they are packed in time and stored in dry containers. This is not affected by the air atmosphere of the plant. In the process of spray painting, the paint was found to be processed by the upper cover, and the whole batch of repair records appeared. The most important reason is that the gap is not blocked, allowing the paint to enter and adhere to the surface of the silver coating and cannot be removed. In order to prevent the occurrence of such faults, it is suggested to seal the gap with 3M adhesive tape to prevent the penetration of paint fog.
In this way, the root of the problem is found, and measures should be taken to prevent the recurrence of hidden trouble, so that the surface of the[color=rgba(0, 191, 255, 0.8)] aluminum plate is bright and new, and the factory rate is greatly improved.[/color]
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| The great potential of 6061 mold aluminum plate |
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Posted by: 1-LVDCPN - 04-19-2018, 09:04 AM - Forum: Knowledge & Technique
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6061 aluminum plate has a wide application in mold industry, 80% of mold products in mold manufacturing are use 6061 aluminum sheet, like injection mold, blowing mold, low pressure molding, rubber pattern and so on. 6061 aluminum plate also can used in car manufacturing, can be used as the raw materials for the processing and manufacturing of body parts, as well as the processing materials of tank.
[img=720x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/03/aluminum_plate-6.jpg[/img]6061 aluminum plate
In the field of construction, 6061 aluminum plate can be used as decorative board and anti-corrosion board, and able to deep processing. In addition, 6061 aluminum plate is widely used in ships, trams, rail vehicles, container, furniture, etc.
6061 aluminum can be processed a thickness of 0.3mm to 600mm, after post-processing, can be quenched, pre-stretched, mainly used in various industrial structural parts that requires a good strength, weldability and a high corrosion resistance.
6061 mold aluminum plate has many advantages when it used in cars, such as energy saving, safe, comfortable, and has a high load capacity, so 6061 mold aluminum plate is very popular among the automotive manufacturing.
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| The advantages of aluminum alloy shutter |
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Posted by: 1-LVDCPN - 04-19-2018, 08:42 AM - Forum: Knowledge & Technique
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[color=rgba(0, 191, 255, 0.8)]Aluminum alloy shutter is a kind of curtain that widely used in our life. Aluminum alloy shutter is made of stainless aluminum strip, compared to other shutter that made of other materials, aluminum alloy shutter is more decorative and has more advantages.[/color]
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/04/aluminum-strip-12-300x300.jpg[/img]
1. Aluminum alloy shutter has plenty of color, not as we all think, there are only a few simple colors. In fact, aluminum alloy blade can be printed with various patterns.
2. Aluminum alloy shutter has excellent light-proofness, able to block the sun and isolated heat from outside, and resist UV rays effectively.
3. Aluminum alloy shutter has a smooth surface, a comfortable feel and a good resilience force and ductility, it is not easy to deform.
4. Aluminum alloy shutter has a extensive applicability, we can control the light and brightness by adjustment.
5. Energy saving, aluminum alloy shutter adopted the aluminum blades with a high heat reflectance, it can reflects most of the sunlight and heat, help to improve the hot and cold effect of air conditioning in summer, so that to achieve the purpose of energy conservation.
6. Aluminum alloy shutter will not fade and change the color, it processed by baking varnish, will not change the color in the long-term irradiate.
7. Has a closely structure, the ladders of the aluminum alloy shutter are made of fiber, the distance between ladders and the distance between blades is about 4mm. This design not only ensures the shading effect, also guaranteed the firmness of the ladders and its ropes, and extend the service life.
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| Aluminum alloy for light-pole |
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Posted by: 1-LVDCPN - 04-18-2018, 08:02 AM - Forum: Knowledge & Technique
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Cement, cast iron, steel, fiber glass reinforced plastics, etc. are the material for light-pole. The light-pole that made of cement has a low cost, and it no need to processed by surface treatment. However, cement light-pole is very heavy, a high transportation costs, expensive installation equipment and high risk are the weak side. At present, most of the light-pole is made of cast iron, this kind of light-pole has a low cost and a high intensity. However, cost iron light-pole will occurs severe corrosion during use, so it must be maintained regularly, and brings a high maintenance costs.
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2018/04/timg-300x300.jpeg[/img]aluminum alloy tripod
Aluminum products has a small density of 2700/m³, it is only 1/3 of the steel and cast iron, its lightweight is convenient for transport and installation, so that to reduce the construction costs and improve installation safety. Most of steel has low temperature brittleness, its intensity rises as the temperature decrease, but its plasticity also dropped significantly, may break at cool winter. On the contrary, aluminum has a good handling characteristics and cryogenic property, it can used at any temperature from North Pole to South Pole, without a low temperature brittleness. The plasticity and intensity of aluminum will increase as the temperature decrease. The aluminum light-pole can be recycled, is very friendly for our environment.
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| 6082 aluminum sheet from china for automotive body parts |
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Posted by: 1-LVDCPN - 04-18-2018, 07:54 AM - Forum: Knowledge & Technique
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The application of aluminum alloy in automobiles has not only obvious effects of energy saving and weight reduction, but also meets the development trend of safety and environmental protection and automotive timber materials, and has significant economic and social benefits. As the body weight of a car plays a decisive role in a vehicle, developing an automotive body sheet with high performance and characteristics is an important part of the process of lightweighting in China.
The aluminium alloy sheets used in different parts of aluminum for automotive body panels are also different. Among them, 6082 aluminum alloy is an aluminum sheet for light weight production of automobiles. Aluminum for automobile fenders, aluminum for automobile engine covers, and automobile doors are available.
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/03/aluminum_plate-13-300x225.jpg[/img]6082 Aluminum Alloy
6082 aluminum sheet is a representative aluminum sheet product among 6 series alloys, and is an aluminum sheet with excellent properties after hot rolling. After hot rolling, aluminum sheets with different thickness can be formed. 6082 aluminum sheet is one of the superior products of haomei Aluminum. The products have excellent processing performance, good corrosion resistance, no deformation after processing, easy coating, and good oxidation effect. Such excellent features, widely used in the automotive lightweight, mobile phone housing, aerospace and other fields, excellent reputation
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| Does transparent aluminum exist? |
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Posted by: aluhm - 04-18-2018, 01:42 AM - Forum: aluminium faq
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Transparent aluminum does not exist.
Transparent aluminum oxide exists.
They are completely two different materials. Aluminum is a metal, aluminum oxide is a ceramic. Aluminum can react with oxygen in the atmosphere to form aluminum oxide. So you can convert a piece of thin aluminum to aluminum oxide to make it transparent, but you are also changing the material.
Rule of thumb: if something is transparent (e.g. glass), then it is non-conductive. If something is conductive (e.g. metals), then it is not transparent. This is a fundamental struggle and limitation we have in the solar industry, if we can really make a material that is highly transparent and highly conductive, then you win the next Nobel price (someone did win the Nobel on something similar, the conductive polymer, but it's not a very viable material). Suggest reading on this topic: Band gap
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| How can I find the best aluminum coil suppliers? |
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Posted by: aluhm - 04-18-2018, 01:40 AM - Forum: aluminium faq
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There are many option to find the best suppliers of aluminium coils. Below are some tips which may help you to find aluminum coil suppliers.
Search into internet: It is most common way to find suppliers of aluminum coils. When you search in google, yahoo or bing, there are many search result display. You should go through these links and find contact details and address of aluminum coil suppliers.
B2b Marketplace: B2b portal are most effective way to find suppliers, manufacturers, wholesalers of aluminium coil. These b2b marketing companies have directory of aluminum coil suppliers including their contact details are addresses.
Google Local Business Listings: Most of aluminum coil suppliers listed their companies into Google Business listings. You can find contact details and addresses of local suppliers of aluminum coils.
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| Do you want to know more about the 1070 aluminum coil? |
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Posted by: aluhm - 04-18-2018, 01:38 AM - Forum: aluminium faq
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The 1070 aluminum coil is the hot sale product of the Haomei industrial Co., Ltd, it has been sent to many countries all around the world, and today we will introduce it to you in details. The thickness of the 1070 aluminum coil is 0.15-600mm, and it is certified by CCS, DNV, GL. The 1070 aluminum coil has some features such as high plasticity, anti-corrosion, electrical conductivity and good thermal conductivity, but it has low strength comparing with other series. The 1070 aluminum coil for the industrial aluminum, aluminum content of 99% or more. High strength, corrosion resistance, good conductivity and thermal conductivity, but the strength is low, can not be strengthened by heat treatment, machine ability is not good, gas welding, hydrogen atom welding and contact welding, easy to braze; easy to bear a variety of pressure processing and stretch, bend. It has a good elongation and tensile strength, fully able to meet the conventional processing requirements (stamping, stretching), high formability. The surface of pure aluminum is silver and its density decreases with increasing purity or temperature. Because it does not contain other technical elements, so the production process is relatively simple, relatively mature technology, the price relative to other high-grade aluminum alloy is much cheaper. It also has many performance advantages for example:1. High strength and good cutting performance;2, High conductivity and thermal conductivity, good plasticity, easy to withstand a variety of pressure processing and bending, extension;3, Candle performance and welding performance is better, can be gas welding, hydrogen welding and resistance welding; 4, Good corrosion resistance;5, Technology is mature, good quality, low prices
If you have any need for the 1070 aluminum coil, please contact us, and we will provide you the good quality products and the best services.
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| What is the 2a14 aluminum coil? |
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Posted by: aluhm - 04-18-2018, 01:36 AM - Forum: aluminium faq
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2a14 aluminum coil belongs to duralumin alloy, so it has higher strength and better heat resistance. It also has good machinability, electrical resistivity, spot and bead welding performance. 2A14 aluminum alloy can be heat treatment, so it has squeezing effect, therefore, vertical and horizontal performance is different. The tensile strength of 2a14 aluminum sheet can be 420MPa, and the elongation is more than 10%. It often used for aerospace, large frame, bridges, large-scale housing, trucks and others.
![[Image: main-qimg-89e84248d5a368acae9c4287602e643c.webp]](https://qph.fs.quoracdn.net/main-qimg-89e84248d5a368acae9c4287602e643c.webp)
![[Image: main-qimg-95bd1e5832df0e6366fa2ec9aade251a.webp]](https://qph.fs.quoracdn.net/main-qimg-95bd1e5832df0e6366fa2ec9aade251a.webp)
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![[Image: Aluminium%20strip%20for%20venetian%20blinds2.JPG]](http://aluminium-strip.com/images/Aluminium%20strip%20for%20venetian%20blinds2.JPG)
![[Image: aluminium-strip-Packaging.jpg]](http://aluminium-strip.com/images/aluminium-strip-Packaging.jpg)