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Super Strength Alloy Materials

7 series aluminium alloys, the main compositions of alloys are Zn, Mg and Cu.The main applications are widely used in military and aerospace industries. 7 series aluminium alloys have the advantages of high specific strength and good toughness, they are the most competitive structure materials in aerospace industry. Beening developed and improved for a long term, it has formed many series. Among them, 7055 aluminium alloy has the most alloying and strength which is widely used in aerospace industry. 

We are producing high dense 7055 alloy ingot by powder metallurgy, and are manufacturing 7055 aluminium alloy profiles (T6 states) which tensile strength and yield strength can be improved 30% up compared with America standard for 7055 aluminium alloy, meanwhile its extensibility can not be declined. It has the advantage of high value for money. 

 

Compositions of 7055 aluminium alloy

Form 1  Compositions of 7055

Type

Zn

Mg

Cu

Al

7055

7.6~8.4%

1.8~2.3%

2.0~2.6%

Bal%

 

Performance of 7055 aluminium alloy 

 Form 2 Performance of 7055 aluminium alloy ingot

Type

State

Diameter(mm)

Length(mm)

Density(g/cm3)

Remark

7055

Sintering

90~460

400~1000

>2.780

 

Form 3  Performance of 7055 Extruded Profile

Type

State

Density

(g/cm3)

Tensile Strength

(MPa)

Yield Strength

(MPa)

Elongation after broken

(%)

 

HV

7055

T4

2.870

>400

>340

14~16

/

7055

T6

2.870

710~730

650~670

6~8

210~220

應用場景

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