Aluminum in shipbuilding - Alloys for building ships 2022 - rosenburg Aluminium | manufacturing extrusion aluminium

Aluminum in shipbuilding

Today, the use of aluminum as one of the most widely used metals in the world is used in various forms and in many fields in a wide range of industries. Fortunately, the transportation of aluminum is not a complex process and with various methods, including This is done by ship, rail, truck, boat, etc. Of course, all businesses must also pay attention to the principles of aluminum transportation to avoid problems such as corrosion-rust due to moisture or complete loss of aluminum. Does not occur…  .

Aluminum in shipbuilding alloy Canada – Germany – Italy  – Iraq – Australlia

History of the use of aluminum in shipbuilding:

The use of aluminum alloys in shipbuilding dates back to the late 19th century. For the first time, American and European countries used several aluminum alloys in a limited way, but because these alloys did not have high resistance to corrosion at that time, the use of aluminum was not widely used in shipbuilding, but later with the development of metallurgy and the emergence of alloys Others, which were more resistant to corrosion, led to the use of aluminum in shipbuilding.

Before the beginning of the twentieth century, aluminum was considered more expensive than silver because of the sophisticated method of extracting aluminum, but in the early twentieth century, the method of extracting aluminum changed and at that time they succeeded in extracting aluminum as a natural element from mines.

Therefore, the use of aluminum due to the greater supply of this product in various industries was used more than before.

Aluminum in shipbuilding alloy Canada – Germany –  Italy – Iraq  – Australlia

Aluminum in the industry

Aluminum is used in various industries such as construction – shipping – and maritime – automotive – aircraft – railways and train parts ، etc. The extraordinary popularity of aluminum in various industries depends on the unique properties of this metal.

Due to the important properties of aluminum, its use in shipbuilding, like other industries such as aluminum in automotive-aluminum in aircraft construction-aluminum in construction, etc., has expanded greatly in recent years.

Due to the expansion of the use of rolled aluminum products – beds and extruded aluminum and … The use of aluminum in shipbuilding (maritime transport) – air transport and rail transport up to 35% in 2040 ratio in 2014, when combined energy demand for light vehicles increased by 50%, it will increase by 85%.

Aluminum in shipbuilding alloy Canada – Germany – Italy – Iraq – Australlia

Properties of aluminum

Some special properties of aluminum that make excellent use of this metal:

1- Flexibility of aluminum: Aluminum can be converted into different shapes due to its flexibility.

2. Hammering: The malleability of aluminum makes it easier to work with this metal.
3. Anti-color: anti-color property.
4. Corrosion resistance: Aluminum corrodes in different conditions.
5. There are different alloys of aluminum for different uses.
6. High strength and durability
7. Low flammability: Due to this feature of aluminum, this metal does not burn easily.
8. It is a conductor of electricity and heat.

Aluminum in shipbuilding alloy Canada – Germany – Italy  – Iraq – Australlia

Aluminum or steel ?

Reasons for using aluminum in shipbuilding over using steel in shipbuilding:

1. Aluminum has been used in in shipbuilding due to its lower weight and weight reduction.
2. The use of aluminum in shipbuilding reduces ship fuel consumption (due to the light weight of aluminum)
3. The use of aluminum in shipbuilding due to the low cost of aluminum (steel does not cost almost 5 times as much as aluminum).
4. The use of aluminum in shipbuilding due to its high resistance to corrosion
5. The use of aluminum in shipbuilding due to reduced freight costs
6. The use of aluminum in shipbuilding due to lower maintenance costs
7. The use of aluminum in shipbuilding due to the reduction of dead weight due to the lighter structure of the ship

Aluminum in shipbuilding alloy Canada – Germany Italy – Iraq – Australlia

8-The use of aluminum in shipbuilding due to greater stability

9- Using aluminum in shipbuilding due to higher speed

10 – The use of aluminum in shipbuilding due to more load

11-The use of aluminum in shipbuilding due to high maneuverability and …

Aluminum in shipbuilding alloy Canada -Germany – Italy – Iraq – Australlia

Steel is a widely used material in the shipping industry due to its special mechanical properties and low manufacturing costs. However, different aluminum alloys with properties more specific than steel have a superior position in shipbuilding as well as in the maritime industry. As mentioned, various aluminum alloys are used in shipbuilding;

Al-mg is one of the non-thermal alloys and the cost of using this alloy is low and this alloy can be used for the successful service of the ship due to all its properties.

Aluminum in shipbuilding in corrosive environments more than 5000 series alloys which are non-heat and 6000 series alloys which can be heat treated due to having:

1- Weld ability property that can be done welding.

2. Transcendent ductility: Aluminum can be converted to the desired shape.
3. High resistance of aluminum

And … can be used.

Aluminum alloys in shipbuilding:

6000 series aluminum alloys are stronger than 5000 series alloys, i.e. they have higher strength, but the strength of 6000 series aluminum alloys is lower than 5000 series alloys.

Another reason for using aluminum in shipbuilding is that we do not need to maintain the painted aluminum surfaces of the ship, or even if necessary, the cost is very low, which means that this property of aluminum is a cost-saving factor in The length of use of the ship, which is why the use of aluminum in shipbuilding has been considered.

Each of the aluminum alloys can be used in a part of the ship, for example the al-mg-si alloy, which during the extrusion process is used in 6000 series alloys for shipbuilding as well as in marine services and duration of use. Ships are used. 5000 series alloy such as 5083 al-mg alloy are used for ship plates.

Aluminum alloys in shipbuilding are mostly al-mg, al-, g-si; al-zinc-mg alloys which are used in a particular shipbuilding according to the characteristics of each of these alloys; For example, 6063 and 6061 alloys are used for the superstructure of ships – masts – corridors.

Alloys 5052 and 5054 are used to build ship decks. In general, aluminum alloys in shipbuilding are used to build masts, hulls, which include partition walls, gears, ship sides, bottom exterior panels, and castors. Used.

Aluminum alloys are not only stronger than steel in terms of strength, but also higher in strength and strength than mild steels. Also, steel has less resistance to corrosion, but aluminum is more resistant to corrosion. {According to the results of research in this field, the corrosion rate of steel is 120 micrometers per year, but the corrosion rate of aluminum is 1 micrometer per year.

Aluminum is used in shipbuilding, underwater ships, large ships, motor boats, cutters, yachts, tankers, sports boats, etc.

Boats such as sport boats are made of aluminum from keel to rig, which speeds them up. And equipment is used to reduce the weight of the ship and increase the carrying capacity.

Given the properties of aluminum and with the advancement of science and technology in the field of shipbuilding, it is very likely that in the future, aluminum will be more welcomed and used in shipbuilding than steel.