7075 aluminum coil

Casting production process and its introduction

The purpose of melting and casting is to produce alloys with satisfactory composition and high purity of melt, so as to create favorable conditions for casting alloys of various shapes.

Melting and casting process steps: batching --- feeding --- melting --- stirring after melting, slag removal --- pre-analysis sampling --- adding alloy to adjust the composition, stirring --- refining --- static Setting——Guide furnace casting.

Hot rolling production process and its introduction

• 1. Hot rolling generally refers to rolling above the metal recrystallization temperature;
• 2. During the hot rolling process, the metal has both hardening and softening processes. Due to the influence of deformation speed, as long as the recovery and recrystallization process is too late, there will be a certain work hardening;
• 3. The recrystallization of the metal after hot rolling is incomplete, that is, the coexistence of recrystallized structure and deformed structure;
• 4. Hot rolling can improve the processing performance of metals and alloys, reduce or eliminate casting defects.


Casting and rolling process

Casting and rolling process: liquid metal, front box (liquid level control), casting and rolling machine (lubrication system, cooling water), shearing machine, coiling machine.

• 1. The casting and rolling temperature is generally between 680°C and 700°C. The lower the better, the stable casting and rolling line usually stops once a month or more to re-stand. During the production process, it is necessary to strictly control the liquid level of the front tank to prevent low liquid level;
• 2. Lubrication uses C powder with incomplete combustion of gas for lubrication, which is also one of the reasons for the dirty surface of casting and rolling materials;
• 3. The production speed is generally between 1.5m/min-2.5m/min;
• 4. The surface quality of products produced by casting and rolling is generally relatively low, and generally cannot meet products with special physical and chemical performance requirements.

Cold rolling production process

• 1. Cold rolling refers to the rolling production method below the recrystallization temperature;
• 2. There will be no dynamic recrystallization during the rolling process, and the temperature will rise to the recovery temperature at most, and the cold rolling will appear in a work hardening state, and the work hardening rate will be large;
• 3. The cold-rolled sheet and strip have high dimensional accuracy, good surface quality, uniform structure and performance, and products in various states can be obtained with heat treatment;
• 4. Cold rolling can roll out thin strips, but at the same time, it has the disadvantages of high energy consumption for deformation and many processing passes.


Introduction to finishing production process

• 1. Finishing is a processing method to make the cold-rolled sheet meet the customer's requirements, or to facilitate the subsequent processing of the product;
• 2. The finishing equipment can correct the defects produced in the hot rolling and cold rolling production process, such as cracked edge, oily, poor plate shape, residual stress, etc. It needs to ensure that no other defects are brought into the production process;
• 3. There are various finishing equipments, mainly including cross-cutting, slitting, stretching and straightening, annealing furnace, slitter, etc.

Aluminum alloy has the characteristics of low density, good mechanical properties, good processing performance, non-toxic, easy to recycle, excellent electrical conductivity, heat transfer and corrosion resistance, so it has a wide range of applications.

Aerospace: used to make aircraft skins, fuselage frames, girders, rotors, propellers, fuel tanks, wall panels and landing gear struts, as well as rocket forging rings, spacecraft wall panels, etc.

Aluminum alloy used for aerospace

Transportation: used for car body structure materials of automobiles, subway vehicles, railway passenger cars, high-speed passenger cars, doors and windows, shelves, automotive engine parts, air conditioners, radiators, body panels, wheels and ship materials.

Traffic application

Packaging: All-aluminum pop cans are mainly used as metal packaging materials in the form of thin plates and foils, and are made into cans, lids, bottles, barrels, and packaging foils. Widely used in the packaging of beverages, food, cosmetics, medicines, cigarettes, industrial products, medicines, etc.

Packaging application

Printing: Mainly used to make PS plates, aluminum-based PS plates are a new type of material in the printing industry, used for automatic plate making and printing.

PS printing

Architectural decoration: aluminum alloy is widely used in building structures, doors and windows, suspended ceilings, decorative surfaces, etc. due to its good corrosion resistance, sufficient strength, excellent process performance and welding performance.

Aluminum alloy construction application

Electronic products: computers, mobile phones, refrigerator shells, radiators, etc.

Electronic product application

Kitchen supplies: aluminum pots, aluminum basins, rice cooker liners, household aluminum foil, etc.

Kitchen application

Packaging Of Aluminum Sheet/Coil

Every detail of packaging is where we pursue perfect service. Our packaging process as a whole is as follows:

Lamination: clear film, blue film, micro-mucosal, high-mucosal, laser cutting film (2 brands, Novacell and Polyphem);

Protection: paper corner protectors, anti-pressure pads;

drying: desiccant;

Tray: fumigated harmless wooden tray, reusable iron tray;

Packing: Tic-tac-toe steel belt, or PVC packing belt;

Material Quality: Completely free from defects such as white rust, oil spots, rolling marks, edge damage, bends, dents, holes, break lines, scratches, etc., no coil set.

Port: Qingdao or other ports in China.

Lead time: 15-45 days.

Aluminum sheet/plate packaging process

Aluminum coil packaging process

F: Are you a manufacturer or a trader?

Q: We are a manufacturer, our factory is at No.3 Weier Road, Industrial Zone, Gongyi, Henan, China.

F: What is the MOQ for ordering the product?

Q: Our MOQ is 5 tons, and some special products will have a minimum order quantity of 1 or 2 tons.

F: How long is your lead time?

Q: Generally our lead time is about 30 days.

F: Do your products have quality assurance?

Q: Yes, if there is a quality problem with our products, we will compensate the customer until they are satisfied.