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1+3 high speed continuous hot rolling mill can greatly reduce energy consumption and cost, and speed up the production efficiency. Because of its strong rolling force, the aluminium billet can be rolled directly from the thickness of 800mm to 3.5mm hot rolled aluminium plate stock.
SMS (Germany)
Ingot milling machine
Clean the surface of the aluminium billet produced by the melting and casting, so that the hot-rolled thick aluminum plate can obtain a uniform and bright surface without impurities during the rolling process after being loaded on the machine.
Continuous pusher-type heating furnace
Gautschi (Switzerland)
In the pusher-type heating furnace, the hot-rolled ingot is pushed into the furnace in a vertical position, so that the ingot is heated quickly and evenly. It realizes rapid and large-scale heat treatment of aluminium ingots in batches, and at the same time ensures the aging of aluminium heat treatment.
1+3 Hot continues rolling mill
SMS (Germany)
1+3 high speed continuous hot rolling mill can greatly reduce energy consumption and cost, and speed up the production efficiency. Because of its strong rolling force, the aluminium billet can be rolled directly from the thickness of 800mm to 3.5mm hot rolled aluminium plate stock.
Six-high cold rolling mill
SMS (Germany)
The six-high reversible cold rolling mill can effectively control the flatness and stability of the finished aluminium plate & sheet shape, and effectively improve the thinning and edge cracking of the aluminium coil.
Surface cleaning line
The increasing demand of various industries for aluminium strip and foil has driven the rapid development of high-precision aluminum strips such as aluminum-plastic strip, PS material, canning material, and capacitor foil. These products have very strict requirements on straightness and cleanliness, and the high-precision aluminum strip is usually rolled with all-oil cooling and lubrication, and there is a large amount of rolling oil and aluminium powder on the surface, so to obtain good surface quality, the surface residue must be cleaned.
Tension leveling line
UNGERER–Germany
Generally, aluminium coil or strip with high quality for flatness needs to be bent and straightened. The work of the tensioning and straightening machine makes the strip gradually produce plastic extension and release the internal stress of the plate under the action of drawing and bending, to improve the waveform, warping, side bending and potential plate & coil flatness defects of the strip during cold working.
An excellent multinational aluminium supplier should be able to offer a range of aluminium products in different grades, sizes and surface types. They should have excellent production technology and order management systems to efficiently handle the production execution of different specifications from different customers.
They should have a comprehensive understanding of the aluminium products you require, including alloy chemistry, physical properties, tolerances, etc., and must have a strong focus and clear understanding of the end use of the material to ensure comprehensive and targeted protection during production, storage and logistics.
A trustworthy supplier should be transparent from the outset of your order negotiation and provide accurate and timely feedback during the production, transport, delivery and subsequent shipping of your order.
A positive attitude and efficiency in dealing with problems is also a requirement for a quality multinational supplier. It is not just about taking orders and producing products, but also about working with an attitude that takes care of all the details for the customer.
To learn more details about how we manage your orders and projects, please go and check!
Firstly, wrap the aluminum sheet closely with a dense waterproof film and seal it carefully with tape to ensure that no part of the aluminum sheet is exposed to the possible moist air, while placing enough desiccant inside the package. This is to ensure that the inside of the aluminum sheet is dry, not to let the aluminum plate contact any liquid, to prevent the aluminum plate from oxidation or corrosion, etc.
Outside of the waterproof film, another layer of kraft waterproof paper is wrapped. This is mainly to ensure that the soft waterproof film will not be damaged, waterproof paper to a certain extent can also be isolated from the external moisture, thick kraft paper can be well isolated from the temperature difference between the surface and the environment, to avoid the aluminum plate due to the temperature difference is too large moisture condensation phenomenon, to prevent the aluminum plate oxidation.
Outside the kraft paper, it will cover the whole layer of corrugated cardboard to protect the edges and corners of the aluminum sheet, and finally the aluminum sheet will be packed together with the wooden tray by metal packing tape. The outer packaging of a wooden pallet carrying several tons of aluminum sheets is reinforced to prevent the aluminum sheets from scattering and sliding during transportation, and also to avoid friction between the aluminum sheets and the aluminum sheets, which may damage the surface.
1. Different forming process
Casting-rolled is processed by casting & rolling into cast roll (6-8mm thickness) and then processed by cold rolling line, while hot rolling is heated by aluminum alloy billet (400-500mm thickness), which is rolled by hot rolling mill.2. Different raw material supply
the difference between the two is that the billet supply is different. The hot-rolled billet is cast aluminum ingot–heated–rolled into a coil for cold rolling, and the cast billet is cast rolled coil–cast rolling.3. Different properties
the surface quality of the hot-rolled aluminum sheet is better, and the mechanical properties and ductility are stronger, which is suitable for the anodized and deep drawing fabrication process.4. Different applications
casting-rolled aluminum metal sheets are mostly used for building decoration and other common civilian purposes. Hot-rolled aluminum metal sheets are suitable for areas requiring deformation of the plate surface such as stamping and stretching.5. Different prices
the process of casting-rolled aluminum sheet metal is simple, and the price is cheaper than that of hot-rolling aluminum sheet metal.6. Different finished products
the elongation of the casting-rolled products of the same alloy grade is lower than that of the hot-rolled products, and the cast-rolled products are limited by the rolling force of the casting & rolling machine and can only produce Aluminum metal sheets of series 1xxx, 3xxx and 8xxx.Thin aluminum sheet and aluminum plate are essentially the same; the only true distinction is in their respective thickness.
The aluminum sheet is any aluminum sheet thicker than foil but thinner than 6mm; it comes in many types of sheet metal including diamond plate, embossed, perforated, and painted aluminum sheet. A protective film is usually applied to aluminum sheets with a thickness of more than 0.8mm.
The aluminum plate is any aluminum sheet metal that is thicker than 6mm, it can be a hot-rolled sheet or aluminum sheet of the cast-rolled coil.
< 0.2mm
aluminum foil
0.2 - 3.0mm
thin aluminum sheets
4 - 80mm
thick aluminum sheets
> 80mm
extra-thick aluminum sheets
F××
As fabricated
O××
Full soft (annealed)
H××
Strain hardened (cold worked) with or without thermal treatment
W××
Solution heat treated only
T××
Heat treated to produce stable tempers (different from the temper of F, O and H)
* Subdivisions of H Temper (which is always followed by two or more digits.)
The first digit indicates the specific combination of basic operations, as follows:
- H1: Strain hardened only
- H2: Strain hardened and partially annealed
- H3: Strain hardened and stabilized by low temperature heating
- H4: Strain hardened and lacquered or painted
The second digit denotes the degree of hardness:
- HX2 = 1/4 hard
- HX4 = 1/2 hard
- HX6 = 3/4 hard
- HX8 = full hard
- HX9 = extra hard