Wrought Aluminium Alloy & Cast Aluminum Alloy

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Wrought Aluminium Alloy & Cast Aluminum Alloy

What is wrought aluminum alloy

What is wrought aluminum alloy?

Wrought aluminum alloy is an aluminum alloy whose structure and shape are changed by stamping, bending, rolling, extrusion and other machining processes. The ingot is made by melting method, and then undergoes metal plastic deformation processing to make various forms of aluminum alloy. There are aluminum alloys that can be strengthened by heat treatment: including hard aluminum alloys, superhard aluminum alloys, and forged aluminum alloys; there are also aluminum alloys that cannot be strengthened by heat treatment. Mainly various anti-rust aluminum alloys. It is widely used in aviation, automobile, shipbuilding, construction, chemical industry, machinery and other industrial sectors.

Wrought aluminum alloy grade table:

GB(CN)ISOAA(USA)JIS(JP)DINBSNF
LG511991N99AI99.98RS1
LG210901N90AI99.9
LG1AI99.81080A1080AI99.81A
L1AI99.71070A1070AI99.71070A
L21060A1060
L3AI99.51050AI99.51B1050A
L5-1AI99.01100A1100AI99.03L541100
L51200A1200AI991C1200
LF2AIMg2.55052A5052AIMg2.5N45052
LF3AIMg35154A5154AIMg3N5
LF4AIMg4.5         Mn0.75038A5038AIMg4.5         MnN85083
LF5-1AIMg55056A5056AIMg5N6
LF5AIMg5Mn0.45456N61
LF21AIMn1Cu3003A3003AIMnCuN33003
LD26165A6165
LD7AICu2MgNi26182N01H162618A
LD92018A2018
LD10AICu4SiMg2014A2014AICuSiMg2014
LD114032A403238S4032
LD30AIMg1SiCu6061A6061AIMg1SiCuH206061
LD31AIMg0.7Si6063A6063AIMgSi0.5H19
LY1AICu2.5Mg2217A2217AICu2.5Mg0.53L86
LY11AIC4MgSi2017A2017AICuMg1H152017A
LY12AICu4Mg12024A2024AICuMg2GB-24S2024

What is cast aluminum alloy?

What is cast aluminum alloy?

Cast aluminum alloy is an aluminum alloy that is filled with molten metal to obtain blanks of parts of various shapes. It has the advantages of low density, high specific strength, good corrosion resistance and casting process, and is less restricted by the structural design of parts. Divided into Al-Si and Al-Si-Mg-Cu-based medium-strength alloys; Al-Cu-based high-strength alloys; Al-Mg-based corrosion-resistant alloys; Al-Re-based heat-strength alloys. Most of them require heat treatment to achieve the purpose of strengthening the alloy, eliminating the internal stress of the casting, stabilizing the structure and the size of the part. It is used to manufacture beams, gas turbine blades, pump bodies, pylons, hubs, air intake lips and engine casings, etc. It is also used to make parts such as cylinder heads, gearboxes and pistons of automobiles, housings of instruments and meters, and booster pump bodies.

What is the difference between cast and wrought aluminum alloys?

Cast aluminum alloys are made by melting aluminum and then pouring it into a mold. This process is called casting. Wrought aluminum alloys are made by melting the metal and then shaping it while it is still hot. This process is called rolling or drawing.

The major difference between cast and wrought aluminum alloys is that cast alloys are melted in a furnace, poured into a mold, and cooled to form their shape. Wrought alloys are heated to their melting point, shaped while still hot, then cooled to form their shape.

Cast Aluminum: -Cheaper -Higher Yield Strength -More Durable

Wrought Aluminum: -More Expensive -Lower Yield Strength -Less Durable

 

1. Cast and wrought aluminum alloys are both alloys of aluminum, but they have different compositions. Cast alloys have a low silicon content while wrought alloys have a high silicon content.

2. Cast aluminum is cheaper to produce than wrought because it can be made in large quantities at once in a foundry. Wrought aluminum is more expensive because it must be heated and shaped by hand.

3. Cast has better corrosion resistance than wrought because the silicon in the alloy reacts with oxygen to form a protective layer of silicon dioxide on the surface of the metal. This means that cast aluminum can be used for outdoor structures like building roofs, but not for indoor items like furniture which might get wet from time to time.

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Author: Mose Li

Author: Mose Li

Director of Project Engineering at 3Q Machining

Materials

The guideline for raw materials, understand more to choose best material for your custom part projects.

Machining Techniques

The guideline for different machining technique, understand more to choose best technique for your custom part projects.

Equipments

The guideline for different machining equipments, understand more to choose best equipments for your custom part projects.

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