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How to choose high-quality aluminum checker plate? |
Posted by: aluhm - 12-19-2017, 07:51 AM - Forum: aluminium faq
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luminum checker plate is widely used. Three bars, five bars, diamond aluminum checker plate are common varieties. In the construction, transportation, decoration, refrigeration equipment and other fields, we can see the aluminum checker plate. With the growth of domestic manufacturers, the quality of various aluminum checker plate is also different, how to pick high-quality aluminum checker plate?
1, thickness. High-quality aluminum checker plate selected thickness, strength, oxide film thickness and so should meet the national standard: aluminum plate thickness ≥ 1.2mm, tensile strength ≥157 cattle / square millimeter, yield strength ≥ 108 N / mm2, oxide film Thickness ≥ 10 microns. If not meet the standard, is the poor pattern of aluminum.
2, processing. Regular manufacturers of five patterns of aluminum, the use of materials stress, bright and clean board, clear and tidy patterns, aluminum flat, the surface without oil, scratches, injury and other defects; and small factory production aluminum checker plate, aluminum scrap with the material , The surface is bleak, the pattern is not clear, not neat, the board is not smooth, the performance is not up to standard, poor quality.
3, the price. aluminum checker plate is divided into two kinds of pure aluminum and alloy, the price is not the same natural. Regular manufacturers of aluminum checker plate processing costs a ton in a few thousand dollars, the alloy price is higher than pure aluminum, regular manufacturers of aluminum prices than low-grade aluminum to 20% -30% higher. So when the purchase can not be more than the price, to buy substandard products, when the time will suffer.
4, service. From the manufacturers of the production line to the enterprise workshop, the middle of the package to go through, loading, transportation, storage, open the package many links, aluminum checker plate will inevitably appear oxidation, scratches like defects, large scale, good service for the user to provide back, for service, for users to solve worries.
Henan haomei Aluminum has huge strength, intimate butler service, solve problems for you.
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How to maintain aluminum plate? |
Posted by: haomeialu - 12-19-2017, 07:49 AM - Forum: aluminium faq
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Aluminum plate's use in people's daily lives has been further expanded. It via its unique performance is widely used by people, but also gets people's affirmation. Now the aluminum plate not only in the machinery has a very good application, but also in the home decoration has a better application. So when using aluminum plate, it should be how to properly maintain it?
First, in the maintenance and maintenance of aluminum, you can choose to use a lot of water to wash the surface of its aluminum, and then use a soft cloth on the aluminum plate to gently wipe the plate, which should be diluted with a detergent cloth And then use.
Second, with a lot of water on the aluminum plate surface of the stolen goods washed away, and then check the aluminum plate surface, if found in some places without washing, then you can choose to use detergent (must use neutral detergent) to its Focus on cleaning. Rinse the plate with water until the detergent is completely rinsed. When cleaning the aluminum plate, please be careful not to clean the board for more than 40 degrees, and wait for the temperature to drop before cleaning.
haomei Aluminum is a famous aluminum plate manufacturer in China. We provides high-quality products and perfect after-sale service. we have customers all over the world and have received good reputation. Choosing haomei means choosing excellence.
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How to choose suitable aluminum checker plate? |
Posted by: haomeialu - 12-19-2017, 07:45 AM - Forum: aluminium faq
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Aluminum checker plate manufacturer-haomei Aluminum gives you a brief introduction of aluminum checker plate. Aluminum checker plate has many different types. Different types of aluminum checker plates in some characteristics have different performance because of different types of substrates. And because of the different characteristics, they have different applications. So we should pay attention to the following factors when choosing the material:
Select factor one: Specific use. Different purposes will be due to the need to pattern the role of aluminum to play a different role, some of its characteristics such as strength, corrosion resistance, etc. have different requirements. So everyone in the purchase of this material, we should pay attention to according to the specific purpose to roughly determine the appropriate choice of specific types of aluminum.
Select factor two: the application environment. Different applications, the need to use the pattern of aluminum in different environments, in different environments have different temperatures, humidity, cleanliness and other conditions of the circumstances, they require you to buy such materials, pay attention to the application of the environment The specific circumstances of the material to choose, in order to ensure that all aspects of the selected material properties can be applied to this application environment.
We need to choose these models according to these factors aluminum plate, to ensure that the purchase of materials can fully meet their own needs, can be used in the relevant aspects of normal use.
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How to deal with peeling and bubble of 5052 aluminum extrusion surface |
Posted by: aluhm - 12-19-2017, 07:43 AM - Forum: aluminium faq
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In the 5052 aluminum plate extrusion process, it is easy to cause surface peeling or bubbles. What’s the reason of it? And how to eliminate it?
Bubble or peeling: the surface of the product appears convex bubble, common in the head, tail, complete called the bubble; broken bubble is called the peeling.
The reasons for peeling and bubble of 5052 aluminum extrusion surface:
1, extrusion cylinder, extrusion pad wear tolerance, extrusion cylinder and squeeze pad size with improper, the use of gasket diameter difference exceeds the allowable value;
2, squeeze the cylinder and squeeze the pad is too dirty, sticky oil, moisture, graphite and so on;
3, lubricating oil contains water;
4, ingot surface shovel groove too much, too deep, or ingot surface with pores, trachoma, loose tissue, oil and so on;
5, the replacement of the alloy, the tube is not clean;
6, squeeze the cylinder temperature and squeeze the ingot temperature is too high;
7, ingot temperature, size exceeds the allowable negative deviation;
8, the ingot is too long, filled too fast, uneven ingot temperature, causing non-drum filled, so the cylinder exhaust is not complete, or improper operation, not the implementation of exhaust process;
9, die hole design is unreasonable, or cut off the material improper, shunt holes and diversion holes in the material is partially out, squeeze the gap in the gas into the surface.
The methods to deal with peeling and bubble of 5052 aluminum extrusion surface:
1, the rational design of extrusion cylinder and squeeze gasket with the size, often check the tool size, to ensure compliance with the requirements, squeeze the barrel to be timely repair, squeeze pad can not be poor;
2, tools, ingot surface to keep clean, smooth and dry;
3, replace the alloy, the thorough clearance;
4, often check the equipment and equipment to prevent the temperature is too high, too fast;
5, strict implementation of the laws and regulations and the system;
6, reasonable design, manufacturing tooling, diversion holes and diversion holes designed to 1 ° -3 ° slope.
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How to judge aluminum tread plate quality? |
Posted by: aluhm - 12-19-2017, 07:40 AM - Forum: aluminium faq
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When we buy aluminum tread plate from aluminum tread plate manufacturers, what we most worried about is the quality and price. Like aluminum, a lot of people do not understand the surface and material of aluminum tread plate. So how to judge aluminum tread plate quality?
1. The inspection of the logo
Usually we see the pattern of aluminum manufacturers are marked, and the logo is the product of the standard code and license.
2. Check the surface quality
In the pattern of aluminum manufacturers in addition to the surface to see the clean or not, we need to see more things. For example, we should look at whether the aluminum plate there have been some cracks or the emergence of some corrosion phenomenon.
3. Thickness of oxide film
This is the need to use a professional eddy current measuring instrument for testing.
4. The quality of the hole
The formation of the sealing is formed after the anodic oxidation, if these seals are not well handled, it will lead to the subsequent phenomenon of aluminum sheet corrosion. Usually we are the method of detection is leaching method, that is, to remove the surface amount of dust, the nitric acid drops to the surface, after a gentle wipe, the water washed away nitric acid, and then drop the surface of purple syrup, a minute after the paint clean See if there is a clear trace of the surface, if any, then the seal is not handled very well.
5. Corrosion resistance
Pattern aluminum plate of this indicator is also affecting the life of aluminum sheet, we often use the method of sub-alkali, the use of sodium hydroxide solution, mainly to see the oxide film through the time. It is recommended that you have strict requirements in the laboratory.
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How to choose high-quality aluminum plate? |
Posted by: haomeialu - 12-19-2017, 07:38 AM - Forum: aluminium faq
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Today, aluminum plate is used widely. For aluminum plate, the factors that affect its quality include alloy content, mechanical properties, surface quality, shape and so on. So choosing good quality aluminum should start with the above points.
The first is the alloy content, aluminum to meet the requirements of the alloy content to ensure the use of performance, which basically can be achieved by domestic enterprises, mainly in the ingot melting time to join a variety of other alloys.
Followed by the mechanical properties, as long as this is in the annealing process to ensure annealing time, and sometimes when orders are large when many manufacturers in order to shorten the delivery time, increase production and reduce the annealing time, affecting the mechanical properties, in fact, this fact Is the more common quality problem.
Plate type: the more important point, mainly reflected in the flatness, leveler leveling machine and straightening equipment, many small businesses do not bend equipment, can not better ensure the plate, resulting in plate Alice side, Waves appear.
Surface quality: As long as the surface scratches, color, indentation, the main and equipment have a greater relationship, when equipment aging, abnormal operation often appear, and equipment capacity also has a greater relationship, such as my company's imports Production line with the domestic production line processing the same product in the surface texture there is a big gap, obviously the texture of imported production lines delicate, better quality board.
Henan haomei Aluminum is an aluminum plate manufacturer engaged in deep processing of aluminum for 20 years. It has implemented the principle of sustainable development in production and invested heavily in introducing advanced foreign equipment into the ranks of environmentally-friendly and efficient production. The main production facilities include 5 semi-continuous casting lines, 10 continuous casting and rolling lines, 7 cold-rolling mills, 10 foil mills, straightening and washing machine columns, flying shears, slitting machines, thick foil shears, slitting and other equipment, and an annual output of 300,000 tons (1 +4) hot-rolling production lines, the quality of products produced are guaranteed.
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What are the health implications of accidentally eating a small quantity of aluminium |
Posted by: haomeialu - 12-18-2017, 07:25 AM - Forum: aluminium faq
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I've eaten a small quantity and survived. Aluminum itself isn't the demon it is made out to be. That started when researchers noticed aluminum content in plaques of those with alzheimers, but no one could show a causal relationship. But when you eat it the sulfuric acid reacts it and form hydrogen gas (no worries here) and aluminum sulfate (some worries). of course your stomach is a gelatinous mass of mucus and chum and some foils are coated in plastic on one side (so reactions aren't taking place quickly). Eventually your body will digest it enough to get it through, but its not like you are putting foil strips into draino or anything (don't do that, btw). I looked up the msds on foil for reynold's wrap and it doesn't have anything for ingestion, it says its unlikely anyone would eat it. Small bits aren't going to hurt anything.
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What is the difference between aluminum and alum? |
Posted by: aluhm - 12-18-2017, 07:25 AM - Forum: aluminium faq
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Aluminum is the element of periodic table with atomic number 13. It's the ..."metal...". Alum is a chemical compound know as hydrated potassium aluminium sulfate (Potassium alum) with the formula KAl(SO4)2.12H2O
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When using aluminum foil, does the orientation of the shiny side vs. the dull side ma |
Posted by: haomeialu - 12-18-2017, 06:50 AM - Forum: aluminium faq
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Like a lot of questions, the answer is “it depends”. Mattering depends on the observer. These guys Foil: Shiny side up or down? ran some tests and concluded that for several cooking processes that if there is a difference it is very small. How small a difference doesn’t matter? That is up to the observer to define.
Mechanistically, it shouldn’t matter for heat transfer by conduction. For heat transfer by convection, it probably makes a small difference. I would lean toward dull side facing the heat source based on turbulent boundary layer considerations. For heat transfer by radiation, dull side facing the heat source should reflect slightly less and heat slightly faster. If food is wrapped in foil, heat transfer from foil to food will likely be a mixture of conduction where food is in contact with foil, and radiation where it is not. I would not expect much contribution from natural convection. I would also expect that the effect of degree of crinkling of the foil in applying it to food would swamp the small differences between dull and shiny side out.
If you are making a hat from the foil, I would go with shiny side out.
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Is it safe to put aluminum foil in the oven? |
Posted by: haomeialu - 12-18-2017, 06:49 AM - Forum: aluminium faq
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The foil and aluminum foil used for wrapping food barbecue, and the price is cheap. To prevent the meat from burning. The main component is tin pewter, tin lead up to 50%, the surface can generate toxic ceruse and hydroxide, generated when burning yellow Huang Dan (PBO) compounds are toxic. These toxic particles floating in the air with the hot air, surrounded by people breathing in the respiratory tract, deposited in the lungs, prone to chronic lead poisoning, can cause depression, anemia, kidney disease, infertility, abortion and other symptoms. The foil and aluminum foil in the use process, if you add a lemon sauce or ingredients, because acidic substances will put the tin and aluminum precipitation, once mixed in food is absorbed by the human body, it may cause the consumption of tin, aluminum poisoning. Tin will stimulate the stomach, aluminum will lead to Alzheimer's disease, kidney patients with excessive intake of aluminum, anemia.
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