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Thin VS Thick Aircraft Aluminum Sheet

 

Thin aluminium sheet

It refers to aluminum sheets with a thickness between 0.2mm and 6.0mm. Its biggest advantage is its lightness, which is of great significance to the aviation industry, which pursues lightweight to reduce energy consumption and improve flight performance.

In aircraft manufacturing, the thin aluminum sheet is mainly used for the skin of the fuselage and wings. As the "outer coat" of the aircraft, the fuselage skin is directly subjected to air flow friction and external environmental erosion. With good formability, the thin sheet can perfectly fit the complex curved surface of the fuselage, create a smooth aerodynamic shape, and reduce flight resistance.

Common passenger aircraft such as Boeing 737 and Airbus A320 use a large amount of 2024 thin aluminum sheets for the fuselage skin. It is not only light in weight, but also has high strength and fatigue resistance, ensuring the structural integrity of the fuselage during frequent takeoffs and landings and long-term flights.

The wing skin is also critical, as it needs to withstand complex stresses such as bending and torsion during flight. 7075 aluminum alloy sheets are often used for the upper and lower skins of the wing due to their high strength and good toughness. For example, on some high-performance fighters, the wing skins are made of 7075-T6 sheets, which reduce weight while ensuring the structural strength of the wing, thereby improving the maneuverability and fuel efficiency of the aircraft.

In addition, some structural parts inside the aircraft, such as cabin partitions and ceilings, also use aluminum alloy thin plates. Although these parts do not bear the main load, they are sensitive to weight. Thin plates can effectively control the overall weight of the aircraft on the basis of meeting structural requirements.

In addition, the good conductivity and processability of thin plates make it also have a place in the manufacture of shells for avionics equipment. It can not only provide protection for the equipment, but also facilitate electromagnetic shielding and ensure the stable operation of electronic equipment.

Thick aluminium sheet

The thickness of the thick aluminium sheet is generally above 6.0mm. Unlike the lightness of thin plates, it has a strong load-bearing capacity and becomes a solid "skeleton" of aviation structures. In aircraft manufacturing, thick plates are mainly used to manufacture key components that bear high loads. For example, the wing beam of an aircraft, as the main load-bearing structure of the wing, needs to withstand huge bending and shear forces.

7050 aluminum alloy thick plate has the characteristics of high strength, high toughness, fatigue resistance, and damage resistance, and is an ideal material for manufacturing wing beams. The wing beams of the C919 large passenger aircraft use 7050 aluminum alloy thick plates. Through advanced processing technology, the wing beams are ensured to have sufficient strength and stability to support the entire wing and the huge load of the aircraft during flight.

The fuselage frame is also inseparable from thick plates, which are like human bones and provide overall structural support for the aircraft. 2219 thick aluminum plates are often used to manufacture fuselage frames because of their good welding performance and comprehensive mechanical properties. On large transport aircraft, the fuselage frame is welded with 2219 aluminum thick plates to build a solid fuselage structure to ensure that the aircraft can withstand the internal pressure of the fuselage and the external complex environmental stress when carrying cargo and passengers.

Some parts of the aircraft engine, such as mounting seats and load-bearing rings, are also made of aluminum alloy thick plates. The engine will generate huge thrust and vibration when working. These parts need to have extremely high strength and fatigue resistance. Thick plate materials can meet this stringent requirement and ensure stable and reliable operation of the engine.

Original source: https://www.aircraft-aluminium-sheet.com/a/thin-vs-thick-aircraft-aluminum-sheet.html

The Use of 6016 and 6101 Aluminum in Car Making

 

6016 aluminum sheet

6016 aluminum alloy is an Al-Mg-Si-Cu alloy developed by Alcoa. It has good fracture toughness, corrosion resistance and fatigue-relieving properties, especially excellent in forming performance, so it is widely used in the automotive field.

The outer plate of automobile covering parts is an important application direction of en aw 6016. 6016 aluminum alloy sheets are often used in parts such as automobile hoods, doors, truck lids, and roofs. Taking the outer plate of the automobile hood as an example, it not only affects the appearance and aerodynamic performance of the vehicle, but also needs to take into account lightweight, safety and manufacturing process feasibility.

6016 aluminum alloy has significant advantages in this regard. Its elongation can reach 22-25%, which is much higher than the 15-20% of ordinary steel. This allows it to stamp out complex streamlined shapes such as engine hoods. Moreover, it has a small rebound after stamping, with a rebound angle of about 3-5°, which can effectively reduce dimensional deviation and ensure assembly accuracy.

At the same time, the surface of 6016 aluminum alloy is smooth and has no orange peel after spraying. It has good corrosion resistance due to the natural oxide film and is not easy to rust after long-term use.

In terms of manufacturing process, 6016 aluminum alloy sheets need to go through solid solution treatment, pre-aging treatment (T4P) and baking varnish treatment. After such process treatment, 6016 aluminum alloy sheets can have good forming properties before stamping, and can quickly increase strength during the baking varnish process after stamping, and have high dent resistance.

European automakers generally use 6016 aluminum alloy plates for body panels, and their good forming properties are fully utilized. In recent years, with the increasing demand for lightweight in the domestic automobile industry, domestic companies are also actively researching and applying 6016 aluminum alloys.

6101 aluminum sheet

6101 aluminum alloy belongs to the low-alloyed Al-Mg-Si conductive aluminum alloy, which has high specific strength, good conductivity, corrosion resistance and formability, and has specific application scenarios in the automotive field.

In the conductive system of the car, 6101 aluminum alloy is very useful. For example, the power battery busbar, battery connection plate and other components of new energy vehicles are often made of high-conductivity aluminum alloys such as 6101.

Take the power battery busbar as an example. It is a key component that connects the battery module and the battery management system, and has extremely high conductivity requirements. The high conductivity of 6101 aluminum alloy can reduce resistance, improve energy conversion efficiency, and make the battery charge and discharge performance better, thereby improving the overall performance of new energy vehicles.

In terms of manufacturing process, the processing flow of 6101 aluminum alloy is generally casting - rolling - solution treatment - cold drawing - aging heat treatment. Through such a process, 6101 aluminum alloy can have higher strength and meet the comprehensive requirements of automotive parts in terms of strength and conductivity.

Original source: https://www.aluminium-auto-sheet.com/a/the-use-of-6016-and-6101-aluminum-in-car-making.html

What Are Uses of Aluminum Clad Steel in Shipbuilding

 In the main structure of the ship, such as the hull, deck and other parts, aluminum clad steel plates are gradually showing their value. In this structure, the steel plate provides high strength and good impact resistance, and can withstand external forces such as waves and collisions during the voyage of the ship. The aluminum plate gives the ship the advantage of lightweight, reduces the overall weight of the ship, and thus improves fuel economy and reduces operating costs. By combining steel and aluminum plates, the strengths of both are brought into play, effectively improving the comprehensive performance of the ship structure.

In terms of specifications, the thickness of the steel-aluminum composite plate used for ship structures is usually within a certain range to ensure structural strength, such as the common range of 3-8 mm; the thickness of the aluminum plate layer is generally around 2-5 mm according to specific needs. Such a thickness combination not only meets the requirements of the ship for structural strength, but also achieves a good lightweight effect.

The superstructure of the ship, such as the cab, cabin and other areas, has high requirements for the weight, aesthetics and corrosion resistance of the material, and the steel-aluminum composite plate can just meet these requirements. For example, some inland tourist sightseeing boats have aluminum alloy structures for their superstructures, which are connected to the steel structure of the main hull through steel-aluminum composite joints.

The aluminum alloy part (that is, the aluminum layer in the steel-aluminum composite plate) reduces the weight of the superstructure, lowers the center of gravity of the ship, and improves navigation stability; at the same time, the good corrosion resistance of aluminum alloy can adapt to the long-term use of ships in humid environments and reduce maintenance costs. Moreover, after the surface of the aluminum alloy is treated, it has good aesthetics and improves the overall image of the ship.

In terms of specifications, the aluminum layer of the steel-aluminum composite plate used for the superstructure is relatively thin, generally 1-3 mm, to further reduce the weight; the thickness of the steel layer is about 2-4 mm, which is used to provide the necessary strength support. This light and thin structural design minimizes the weight while meeting the functional requirements of the superstructure.

With the development of the application of new energy in the field of ships, steel-aluminum composite plates have also found their place in the power system of new energy ships. In the battery box, steel-aluminum composite plates can play an important role. The steel plate layer provides high-strength protection to prevent the battery box from being damaged by external impact; the aluminum plate layer, due to its good electrical and thermal conductivity, helps the heat dissipation management of the battery, ensures that the battery works at a suitable temperature, and improves battery performance and service life.

From the specifications, the aluminum cladding panel size used in the battery box generally has a steel plate layer thickness of 1-3 mm and an aluminum plate layer thickness of about 1-2 mm. Such thickness can meet the protection requirements for the battery without adding too much weight to the battery system.

Original source: https://www.marine-aluminium-plate.com/a/what-are-uses-of-aluminum-clad-steel-in-shipbuilding.html

The Uses of Aluminum 5083 and 5454 in Special Vehicles

 In the field of modern logistics and transportation, various types of special vehicles play a key role. The rise of aluminum alloys has brought revolutionary changes to these special vehicles. In particular, 5083 and 5454 aluminum alloys, with their unique properties, have occupied an important position in vehicle manufacturing.

Aluminum alloy in vans

As a common vehicle type for logistics transportation, vans have high requirements for the strength, weight and durability of the body. The application of aluminum alloy perfectly meets these requirements. In developed countries such as Europe, the United States, Japan and South Korea, aluminum alloy vans have long been widely popularized, and foreign aluminum vans account for as much as 64.6% of the overall truck market.

In the manufacture of vans, 5083 aluminum alloy like aluminum 5083 h32 has been widely used. It has medium strength, a magnesium content between 4.0% and 4.9%, and excellent welding performance, which makes the assembly of the van more solid and reliable. Its excellent corrosion resistance can effectively resist the erosion of various environmental factors during transportation.

Aluminum alloy in refrigerated trucks

Refrigerated trucks are mainly used to transport temperature-sensitive goods, such as food and medicine. The body structure needs to have good thermal insulation and lightweight characteristics to ensure the quality of goods and reduce energy consumption. Aluminum alloy has been widely used in the field of refrigerated trucks due to its advantages such as low density, high strength and good corrosion resistance. Aluminum alloy can be seen from the frame, roof to side panels.

In the application scenarios of refrigerated trucks, 5083 aluminum alloy also performs well. Its high strength can withstand the weight of refrigerated equipment and cargo, ensuring the safety of the vehicle during driving.

At the same time, 5454 aluminum alloy is also used in some parts of refrigerated trucks. Its high strength and corrosion resistance provide a guarantee for the long-term stable operation of refrigerated trucks.

Aluminum alloy in fuel tanks

The oil products transported by tank trucks are flammable and explosive dangerous goods, so the safety, lightweight and corrosion resistance of the vehicles are extremely high. Aluminum alloy tank trucks have obvious advantages over traditional carbon steel, stainless steel and other materials.

In the manufacture of tank bodies of oil tank trucks, 5083 aluminum alloy is one of the commonly used materials. It has high hardness, strong corrosion resistance, and good weldability, which can ensure the sealing and strength of the tank body and meet the needs of long-term transportation of oil products by oil tank trucks.

For example, the 5083 aluminum plate produced by Haomei Aluminum has stable performance by optimizing the melting and casting process and rolling technology. It can produce ultra-wide aluminum plates with a width of up to 2650mm and a thickness of 0.3-500mm, which meets the material standards of tank trucks and is widely used in the tank body, head and baffles.

5454 aluminum alloy is often used in the internal baffles of oil tankers because of its strong corrosion resistance and strength that is about 20% higher than 5052. It is suitable for high temperature or harsh environments. It improves the structural stability of the tank, prevents liquid sloshing, and ensures driving safety.

Aluminum alloy in powder tank trucks

Powder tank trucks are mainly used to transport powdered materials such as cement, fly ash, and lime powder. As the market's requirements for transportation efficiency and cost control continue to increase, lightweight has become an important trend in the development of powder tank trucks. The application of aluminum alloy in powder tank trucks effectively achieves the goal of lightweight vehicles.

In the manufacture of powder tank trucks, 5083 aluminum alloy provides reliable structural support for the tank body with its strength and welding performance. At the same time, some manufacturers will also choose materials such as 5454 h32 aluminum sheet according to actual needs to meet the use requirements of powder tank trucks under different working conditions.

Original source:  https://www.aluminium-tanker-plate.com/a/the-uses-of-aluminum-5083-and-5454-in-special-vehicles.html

How to Choose The Aluminum Strip Width

 In the cost control and efficiency improvement of industrial production, the selection of aluminum strip width plays a key role. Choosing the right width can not only avoid material waste, reduce procurement costs, but also reduce energy consumption and working hours in the processing link. On the contrary, improper width may lead to excess materials, redundant processes, and even affect product performance.

The width of aluminum strips spans a wide range to meet the diverse needs of different industries and applications. Common aluminum strip widths (in inches) include but are not limited to: 1/4 inch, 1/2 inch, 1 inch, 2 inches, 4 inches, 6 inches, 8 inches, 12 inches, etc. Of course, non-standard widths can also be customized according to customers' special requirements in actual production.

1/4-inch aluminum strip

1 4 inch aluminum strips are commonly used in some electronic devices with strict space requirements and low current load. For example, in the winding production of small transformers, the 1/4-inch aluminum strip can be tightly wound, effectively utilize space, and achieve efficient electromagnetic conversion.

Its narrow width helps to achieve fine wiring in a limited space, while meeting the needs of low current transmission, reducing the heat generated by excessive current density, and improving the stability and service life of the transformer. From a cost perspective, replacing wide aluminum strip with narrow strips can avoid material waste and reduce the material cost per unit product.

12 inch aluminum strip

12 inch wide aluminum strips are mostly used in large-scale power transmission and industrial manufacturing. In the production of busbars in the power industry, 12-inch aluminum strips can carry huge currents because their large cross-sectional area can effectively reduce resistance and reduce the loss of electricity during transmission - this not only improves energy efficiency, but also reduces the maintenance cost of equipment due to overheating.

In the manufacture of heat sinks for large industrial equipment, the large heat dissipation area provided by wide aluminum strips can reduce the investment in additional cooling devices, indirectly saving energy consumption for enterprises.

How to choose aluminum strip width

Current carrying capacity

If the application scenario involves current transmission, such as transformer windings, busbars, etc., the width of the aluminum strips for sale is one of the key factors affecting the current carrying capacity.

According to Ampere's law, when current passes through a conductor, heat is generated. The larger the cross-sectional area of the conductor, the greater the current it can carry and the less heat it generates. Therefore, the selection of width that matches the current demand is the core of balancing cost and performance.

Space limitations

In applications with strict space requirements such as electronic devices and small machinery, the width of the aluminum strip must match the available space. For example, in electronic products with compact internal structures such as smartphones and laptops, only narrow width aluminum strips can be used.

Mechanical performance requirements

Aluminum strips of different widths also have different mechanical properties. Wider aluminum strips usually show better stability and strength when subjected to external forces such as stretching and bending, and are suitable for occasions that require higher mechanical strength, such as the reinforcement of building curtain walls.

Narrow aluminum strips have more advantages in flexibility and are suitable for applications that require frequent bending or curling, such as the flexible circuit connection parts in some wearable devices.

Original source: https://www.aluminumstrip24.com/news/how-to-choose-the-aluminum-strip-width.html

What Are Differences of 5454 and 5083 Aluminum in Tanker Manufacturing

 5454 aluminum plate belongs to aluminum-magnesium alloy with medium strength. Its outstanding feature is good corrosion resistance, which can effectively resist corrosion in various environments, which provides reliable protection for tank trucks to transport various liquid or powder materials, and can prevent safety hazards such as leakage caused by corrosion of the tank body. 5454 h32 aluminum sheet is its main temper.

5083 aluminum plate is also a member of the aluminum-magnesium alloy family, but it is different from 5454 in terms of performance focus. It has high strength and can withstand greater pressure and weight, which makes it popular in large tank trucks and applications with strict requirements on tank strength. Its excellent fatigue resistance can effectively resist fatigue damage caused by vibration and bumps in long-term and frequent transportation operations, and extend the service life of the tank truck. The toughness of 5083 aluminum plate is also very outstanding. It is not easy to break when encountering collisions or external impacts, which greatly improves the safety of tank trucks during transportation. Although it has good corrosion resistance, it may be slightly inferior to 5454 in some special corrosive environments.

Market share analysis

In the current tank truck manufacturing market, 5083 aluminum plate occupies a large market share due to its high strength and good comprehensive performance. Especially in the field of heavy tank trucks, such as the manufacture of large oil tank trucks and tank trucks for transporting crude oil, chemical raw materials, etc., 5083 aluminum plate for tanker body is more widely used, accounting for about 60% of the tank truck aluminum plate market share.

This is mainly due to its ability to meet the strict requirements of heavy tank trucks for tank strength and safety, and at the same time, the cost-effectiveness is also considerable in large-scale production.

5454 aluminum plate performs well in some tank truck market segments that have extremely high requirements for corrosion resistance and relatively less extreme strength requirements, such as food-grade liquid transport tank trucks and some small chemical transport tank trucks. Its market share accounts for about 30% of the tank truck aluminum plate market. With the continuous improvement of food and chemical transportation safety standards, 5454 aluminum plate has a gradually increasing market share due to its excellent corrosion resistance.

Differences in tank truck application scenarios

5454 aluminum sheet is often used to manufacture tank trucks for transporting food-grade liquids (such as edible oil, beverage slurry, etc.). Due to its good corrosion resistance, it can ensure that the tank body will not pollute the transported food-grade liquid and ensure food safety. It is also common in some small chemical transport tank trucks. These chemicals may be corrosive to a certain extent. The corrosion resistance of 5454 aluminum sheet can effectively deal with it. At the same time, its good processability makes it easy to manufacture small and complex tank bodies.

Aluminum 5083 h32 is the absolute main force in the field of large oil tankers. For example, the tanks of common road tankers for transporting crude oil are mostly made of 5083 aluminum sheet. It is also widely used in large chemical liquid tankers. Such tankers need to transport a large amount of corrosive chemical raw materials. The high strength and good corrosion resistance of 5083 aluminum sheet can meet its safety needs during long-distance and heavy-load transportation.

In some large powder and particle transport tankers (such as cement transport tankers), 5083 aluminum sheet can withstand the impact and vibration during material loading and unloading with its high strength and fatigue resistance, ensuring the structural stability of the tank.

Original Source:https://www.aluminumtankerplate.com/a/what-are-differences-of-5454-and-5083-aluminum-in-tanker-manufacturing.html