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| What are good aluminum circle blanks? |
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Posted by: hmwadeseo - 08-08-2022, 09:33 AM - Forum: aluminium faq
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In order to ensure the round aluminum plate has good quality, manufacturers usually set up special quality inspection posts in the process of producing aluminum circles. The QC manager will use professional tools to test the quality of aluminum circles carefully. Good aluminum circles are generally tested by the following aspects.
1. The first is to look at the surface of the aluminum circles. Good quality round aluminum plate has no deformation, scratches, cracks, yellow spots, and other phenomena. In fact, the second is to check whether the surface color of aluminum alloy circles has different shades of color. If there is a color difference that means the quality is not up to par.
2. Chemical Composition: through a professional spectral analyzer, you can detect the chemical composition of aluminum discs. Then compare it with the standard GB/T3880-2012 or standard ASTM B209. We must make sure that each chemical element is within the scope of the standard requirements.
3. Mechanical properties. The tensile strength and mechanical properties of aluminum rounds are tested by a tensile testing machine to ensure that the tensile strength and elongation of aluminum rounds meet the standard. If the mechanical properties are not up to standard, it is easy to have a broken problem during the stamping and spinning process. It will waste a lot of time and material costs in the production department. Aluminum Circle 1050-O tensile strength is generally in 60Mpa to 100Mpa; elongation is about 35%. The aluminum circle 1050 H12 tensile strength is generally around 100Mpa and elongation is around 10%.
4. Granularity Testing. Different manufacturers have different requirements for grain size. According to international standards, most factories control the grain size above the second level, while some large factories require the grain size to be the first level. This can ensure the customer in the production of kitchenware process, the finished rate of aluminum wafers to be 98% or even 100% qualified.
In addition, the staff needs to use professional measuring tools when testing aluminum discs. Because the aluminum discs are very thin. If the measurement tool has the slightest defect will have a certain degree of impact on the measurement results. Therefore, the accuracy of the aluminum discs must be tested by using intact measuring tools.
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| How are Aluminum Circles blanks produced? |
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Posted by: toyota1515 - 08-08-2022, 09:32 AM - Forum: aluminium faq
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aluminum round circles are usually cut from aluminum coils or aluminum sheets directly. Now over 80% of aluminum circle blanks are produced in China. As one of the most professional aluminum circle suppliers in China, we usually divide the processing steps of aluminum rounds into two aspects: 1. Rough material cutting (cut into a square). 2. Drop material.
According to the degree of automation of production equipment, it can be divided into the shearing machine and automatic round sheet punching production line processing.
The aluminum round circle manufacturers always use the automatic round sheet drop production line processing: aluminum round piece uncoiling drop production line is a fully automatic integrated aluminum round piece production equipment. It can be directly on the aluminum coil for round piece stamping drop, without shearing, slitting, and other processes. The product is widely used in aluminum processing manufacturing cookware with stretch aluminum round pieces.
For a diameter below 800mm round aluminum, the disc is generally produced using a fully automatic disc drop machine. For diameter over 800mm aluminum disc is widely used in highway signs. It is always produced with the shearing machine.
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| What are cold rolled aluminum discs and hot rolled aluminum discs? |
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Posted by: hmwadeseo - 08-08-2022, 09:31 AM - Forum: aluminium faq
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In the procurement process of aluminum discs, for different needs on the type of aluminum round, grade, process have different requirements, especially the cold-rolled aluminum rounds and hot-rolled aluminum rounds of the distinction, identification, has a pivotal role. The differences between Cold-rolled aluminum sheet and hot-rolled aluminum sheet are as follows:
1. Different production process: Cold rolled aluminum disc is produced by cold rolling machine from the aluminum coil (8mm thickness), while hot-rolled is made by heating aluminum slab (400-500mm thickness) and rolling it at high temperature by a hot rolling mill.
2. Different Raw materials: the difference between them in the aluminum billet supply is not the same. The hot-rolled billet is cast aluminum ingot – heating – rolled into a coil for cold rolling, the cold-rolled billet is cast roll – cold rolling.
3. Different performance: Hot-Rolled aluminum disc surface quality, while mechanical properties and ductility, oxidation effect is good, while processing aluminum discs are generally processed from the aluminum plate, naturally also affected by the performance of the aluminum plate.
4. Different applications: CC aluminum discs are mostly used in the production process of spinning; DC aluminum discs suitable for stamping and deep drawing production process.
Through the above four methods, you can easily distinguish between cold-rolled aluminum discs and hot-rolled aluminum discs. The choice of aluminum discs requires professional knowledge, aluminum discs procurement more need to choose a professional manufacturer.
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| What are the common alloy number of the Aluminum circles |
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Posted by: hmwadeseo - 08-08-2022, 09:29 AM - Forum: aluminium faq
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According to the different content of alloying elements, aluminum circles can be divided into four series: 1 series, 3 series, 5 series, 8 series.
Alloy number: 1050, 1060, 1100, 1200, 3003, 5052, ,8011
Temper: O, H12, H14, H16, H18, etc.
Thickness: 0.3mm to 6.0mm;
Diameter: 30mm to 1600mm;
Aluminum circles HS code: 7606.9100; 7606.9200;
Standard: ASTM-B209 ; GB/T3880-2012, EN485,
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| What's aluminum circles |
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Posted by: hmwadeseo - 08-08-2022, 09:28 AM - Forum: aluminium faq
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Aluminum circle is one kind of round aluminum disc. It is known that an aluminum circle is a metal material with high heat dissipation and thermal conductivity. So manufacturers use it as a raw material to produce various forms of products.
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| What is the Price of Aluminium Circle/Disc? |
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Posted by: hmwadeseo - 08-08-2022, 09:26 AM - Forum: aluminium faq
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In recent years, the use of aluminium circles/discs has increased. The demand for aluminium circles/discs in the market is relatively large. It is a kind of product obtained through deep processing of aluminum plates, the surface is bright and beautiful, and it can be shaped and do the surface treatment. So, it is not expensive.
The price of aluminium circles/discs has something to do with the thickness. Generally speaking, circles of a common thickness (between 1.0mm and 8.0mm) have similar prices under the condition that they entail similar manufacturing processes. Such aluminium circles/discs can be obtained through relatively simple processes. Nevertheless, if the thickness surpasses 8mm, the price will go higher because the circles have to go through hot rolling, which involves raw material loss and application of extra equipment. Therefore, it makes sense to think that aluminium circles/discs price is related to thickness. In spite of this, there are exceptions. As said above, the price of an aluminum circle is also influenced by its manufacturing process. Not all thin circles (thickness below 8.0mm) are produced through cold rolling, some entail hot rolling, which increases their cost and eventually impacts their price.
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| What is the main application of aluminum circles? |
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Posted by: toyota1515 - 08-08-2022, 09:22 AM - Forum: aluminium faq
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Aluminum round circles blanks are widely used in cookware manufacturing, road signs, lighting equipment.
1. Cookware application: pots, pans, pizza trays, pie pans, cake pans, covers, kettles, basins, fryers, bowls, cups, utensils application
2. Road Sign usage: high way road sign,
3. Light reflectors: Recessed lighting, High bay industrial lighting, Stress lighting, Traffic light reflectors, Sports lighting.
The reason for the wide range of applications of high-quality aluminum round discs is that the popular aluminum disc manufacturers use high purity aluminum ingots (aluminum ingots with more than 99.7% aluminum content) in the processing. So the aluminum discs have low density and good chemical resistance, and the strength of the products can be improved according to the customer’s requirements. It can be adapted to different working environments.
we are the professional aluminium circle,aluminium sheet,aluminum coil supplier in China, any need, please contact us! wade@haomeicn.com
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| The benefits of electric furnace |
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Posted by: wyd1014 - 08-04-2022, 03:09 AM - Forum: Knowledge & Technique
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Under the condition of stable power supply, electric heating furnace has many advantages over fuel furnace, especially it does not need fuel storage, transportation, ash after combustion and huge flue gas discharge, purification and other devices, so it has a small footprint and simple installation. It has the advantages of convenient operation and management and no CO2, SO2 and other pollution; at the same time, it is easier to control and ensure the heating quality, and it can be heated as a whole, locally or on the surface, so as to have good quality and high thermal efficiency.Martensitic stainless steel vacuum sintering heat treatment Due to the above characteristics, electric heating furnaces are suitable for the manufacture of advanced materials and parts, and have good energy-saving effects, so they are widely used in electromechanical processing and assembly industries such as automobiles, motors, home appliances and electronics. In the future, with the stable development of the electric power industry and the increase of the processing industry and processing, resistance furnaces, induction furnaces and electron beam heating will continue to develop; in high energy consumption sectors such as iron and steel industry, metal products and kiln With the development of deep processing, high-quality products and ceramic materials, coupled with the control of energy saving and CO2, the proportion of electric heating will also expand; there are also microwave ovens, far-infrared heating in chemical, textile and food industries. The application of furnaces will also increase; at the same time, in the civilian area, microwave ovens and heat pumps will also be applied and expanded.Vacuum heat treatment furnace for copper alloys
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| How is the performance of the holding furnace |
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Posted by: wyd1014 - 08-03-2022, 03:13 AM - Forum: Knowledge & Technique
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How is the performance of the holding furnace? The holding furnace is a type of material surface that is ignited and burned at high temperature. After leaving the igniter, it is suddenly exposed to the atmosphere, resulting in rapid cooling of the red-hot material surface. Therefore, in the mineral composition of the surface sinter, the glassiness increases significantly. Strength drop, an instrument of this drawback, is an important part of the low pressure casting furnace.Vacuum Heat Treatment and Nitrocarburizing of Hot Work Die Steel 4Cr5MoSiV1 It is composed of furnace body, molten pool, sealing cover and liquid riser, and is the basic part of low pressure casting machine.Vacuum annealing process of automobile half shaft There are many types of furnaces, such as coke ovens, gas furnaces, resistance furnaces, induction furnaces, etc. The advantages of this type of furnace are simple structure, convenient temperature control and good working conditions. The power of the holding furnace can only make up for the total heat dissipation loss.Differential ring gear vacuum heat treatment The molten pool of the electric reverberatory furnace is large. In order to improve the efficiency, there must be a large heating area, so the molten pool cannot be too deep. In order to facilitate the connection between the mold opening and closing frame and the holding furnace, and to facilitate the repair of the furnace, a mobile frame can be used on the top-casting low-pressure casting machine, or the holding furnace can be designed as a mobile type. However, the heating elements of the mobile holding furnace are easily damaged by vibration and must be maintained.Advantages of vacuum sintering of cemented carbide
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