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6061 vs 6063, Aluminum 6061 vs. Aluminum 6063,

The difference between Aluminum 6061, 6063 and 7075

Aluminum alloy is the most widely used material in industry. It has been widely used in aviation, aerospace, automotive, machinery manufacturing and chemical industries.

Aluminum alloy has low density but high strength. It is close to or exceeds high-quality steel. It has good plasticity and can be processed into various profiles. Some aluminum alloys can be heat treated to obtain good mechanical properties, physical properties and corrosion resistance. The hard aluminum alloy belongs to the AI-Cu-Mg series and contains a small amount of Mn, which can be strengthened by heat treatment.

6061 aluminum alloy is a high-quality aluminum alloy. It has excellent processability and excellent welding characteristics. Below we discuss the difference between Aluminum 6061, Aluminum 6063 and Aluminum 7075

1) 6061 VS 6063, 6061 vs 6063 aluminum

<a href=https://www.desheng-precision.com/new/6061-vs-6063.html target='_blank'>6061 vs 6063</a>

1. Different chemical composition of 6061 vs 6063

6061 has more alloying elements than 6063. The main alloying elements of 6063 aluminum alloy are magnesium and silicon.

Chemical Composition of Aluminum 6061 and Aluminum 6063

Weight%

Al

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Other Each

Others Total

6061

Rem

0.40 - 0.80

0.70 max

0.15-0.40

0.15

0.8-1.2

0.04-0.35

0.25 max

0.15 max

0.05 max

0.15 max

6063

Rem

0.2-0.6

0.35 max

0.10 max

0.10 max

0.45-0.9

0.1 max

0.10 max

0.10 max

0.05 max

0.15 max


2. Mechanical properties

The 6061 aluminum profile performs better than 6063 in strength and machinability, and also has good oxidation resistance.

However, in terms of plasticity, the 6063 aluminum profile is superior, it can make the material achieve higher precision; 6063 has higher tensile strength and yield strength, showing better fracture toughness.


Mechanical Property of Aluminum 6061 VS Aluminum 6063

Material

Diameter or wall thickness (")

Tensile Strength (ksi) min

Yield Strength (ksi) min

Elongation % in 2"

Alloy 6063

<0.125

30

25

8

Alloy 6063

0.125 - 1.00

30

25

10

Alloy 6061 Sheet T6

0.020-0.500

42

35

10

Alloy 6061 Sheet T6

0.500-1.000

42

35

9

Alloy 6061 Sheet T6

1.00-2.00

42

35

8

Alloy 6061 Sheet T6

2.00-4.00

42

35

6

Alloy 6061 Sheet T6

4.00-6.00

40

35

6


3. The Different Application Scope of 6061 vs 6063

6061 is a high quality aluminum alloy material with high toughness, good weldability and corrosion resistance. It can be used in trucks, ships, aerospace installations, trucks, trams, molds, electronics, furniture, corrosion resistance. structure;
6063 is a very comprehensive aluminum alloy material with high strength, wear resistance, corrosion resistance and high temperature resistance. It can be used in  architectural and industrial profiles.
Commonly used in the construction of aluminum alloy doors and windows, curtain walls, various industrial frame structures, rail transit, aerospace, military equipment, automated conveyor equipment and other fields.


2) 6061 vs 70756061 vs 7075 Aluminum

<a href=https://www.desheng-precision.com/new/6061-vs-6063.html target='_blank'>6061 vs 7075</a>

6061: aluminum alloy elements account for 97.9%, magnesium elements account for 1%, silicon elements account for 0.6%, and 0.28% copper and 0.2% chromium (Chromium) are added.

7075: In 7075 aluminum alloys, the main aluminum and zinc metal elements account for 90% and 5.6%, respectively, the other is magnesium element for 2.5%, copper for 1.6%, chromium for 0.23% and finally there are remaining It is silicon, manganese, titanium ... and other metal elements.


Chemical Composition of Aluminum 6061 and Aluminum 7075

Weight%

Al

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Other Each

Others Total

6061

Balance

0.40 - 0.80

0.70 max

0.15-0.40

0.15

0.8-1.2

0.04-0.35

0.25 max

0.15 max

0.05 max

0.15 max

7075

Balance

0.40 max

0.50 max

1.2-2.0

0.30 max

2.1-2.9

0.18-0.28

5.1-6.1

0.20 max

0.05 max

0.15 max


Mechanical Property of Aluminum 6061 VS Aluminum 7075

Material

Diameter or wall thickness (")

Tensile Strength (ksi) min

Yield Strength (ksi) min

Elongation % in 2"

Alloy 6061 Sheet T6

0.020-0.500

42

35

10

Alloy 6061 Sheet T6

0.500-1.000

42

35

9

Alloy 6061 Sheet T6

1.00-2.00

42

35

8

Alloy 6061 Sheet T6

2.00-4.00

42

35

6

Alloy 6061 Sheet T6

4.00-6.00

40

35

6

Alloy 7075 Bar

-

77

66

7

Alloy 7075 Bar

<4"

68

56

10

Alloy 7075 Bar

<0.25

68

58

7

Alloy 7075 Bar

0.25 - 1.5

70

61

8

Alloy 7075 Bar

1.5 - 3.0

69

59

8

Alloy 7075 Bar

<0.25

78

70

7

Alloy 7075 Bar

0.25 - 0.5

81

73

7

Alloy 7075 Bar

0.5 - 3.0

81

72

7


6061 is the highest-selling aluminum alloy material among aluminum alloys. Because its performance basically meets various mechanical processing, equipment processing and other industrial uses, it is a household aluminum alloy Grades have received unanimous praise from the majority of manufacturers, so it is already a habit to choose 6061 as a raw material. In addition, the production and processing costs of 6061 by the factory are relatively low, so the supply and use of 6061 are relatively large. So generally choose 6061 instead of 7075, because the price of 7075 is relatively high, generally 7075 aluminum alloy materials are for aviation.

3)       6061 Aluminum Definition

<a href=https://www.desheng-precision.com/new/6061-vs-6063.html target='_blank'>6061 vs 6063</a> aluminum

6061 aluminum alloy is a high-quality aluminum alloy product. It is widely used in various industrial structural parts that require certain strength and high corrosion resistance, such as manufacturing trucks, tower buildings, ships, trams, railway vehicles, furniture, etc.

Its main chemical composition is (the mass fraction occupied by each element):

Chemical composition /%, Max

Other impurities /%, Max

Alloy Grade

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

single

Sum

Al

6061

0.4 0.8

0.7

0.15 0.4

0.15

0.8 1.2

0.04 0.35

0.25

0.15

Balance

6061 is a heat-strengthened alloy, which has good formability, weldability, and machinability. At the same time, it has medium strength and can maintain good operability after annealing.

6061-T651 is the main alloy of 6061 alloy. It is a high-quality aluminum alloy product produced by heat treatment and pre-stretching. Although its strength cannot be compared with 2XXX series or 7XXX series, it has many characteristics of magnesium and silicon alloys and has processability.

Typical use of Aluminum 6061

1. The application of strip is widely used in decoration, packaging, construction, transportation, electronics, aviation, aerospace, weapons and other industries.

2. Aerospace aluminum is used to make aircraft skins, fuselage frames, beams, rotors, propellers, fuel tanks, wall plates and landing gear struts, as well as rocket forging rings and spacecraft wall plates.

3. Aluminum for transportation is used for car body structural materials of automobiles, subway vehicles, railway passenger cars, and high-speed passenger cars, doors and windows, shelves, automotive engine parts, air conditioners, radiators, body panels, wheels, and ship materials.

4. Aluminum for packaging All-aluminum cans are mainly made of sheet metal and foil as metal packaging materials, which are made into cans, lids, bottles, barrels, and packaging foils. It is widely used in the packaging of beverages, food, cosmetics, pharmaceuticals, cigarettes, and industrial products.

5. Printing aluminum is mainly used to make PS plates. Aluminum-based PS plates are a new type of material in the printing industry for automated plate making and printing.

6. Aluminum alloy for building decoration Because of its good corrosion resistance, sufficient strength, ex


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