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7A04 T6/T651 aluminum alloy plate

Alloy: 7A04
Temper: T6/T651
Thickness: 4mm-260mm
Width: 1200mm-3800mm
Surface: Mill finish or at request

Quantity:

7A04 aluminum alloy belongs to the Al-Zn-Mg-Cu series ultra-high strength aluminum alloy, also known as super hard aluminum, 7A04 aluminum plate is quite mature in super hard aluminum. 7A04 aluminum plate has been used for a long history and is widely used. High strength, good heat treatment strengthening effect, medium plasticity in annealing and new quenching state; unlike hard aluminum, the corrosion resistance in artificial aging state is better than that in natural aging state, and the natural aging process is slow. The peak of aging hardening can only be reached after months, so 7A04 aluminum plate is used in the state of quenching artificial aging. 

The disadvantage of 7A04 aluminum plate is that the stability of the tissue is not high, the low-frequency fatigue strength is low, and there is a tendency to stress corrosion cracking. 7A04 aluminum alloy spot welding has good weldability, poor gas welding, and good machinability after heat treatment, but poor machinability after annealing.


SPECIFICATION


7A04 T6/T651 aluminum plate:

Regular thickness range:  4-260mm

Regular width range:  1200-3800mm


Chemical Composition


Si

Fe

Cu

Mn

Mg

Cr

Zn

Zr

Ti

Standard

0.5

0.5

1.4-2.0

0.2-0.6

1.8-2.8

0.1-0.25

5.0-7.0

-

0.05

GB

AMS

EN


TemperDirectionThickness/mmRm(Mpa) Tensile Strength
Rp0.2(MPa)Yield StrengthA50% Breaking ElongationStandard
Standardzhuxia performanceStandardzhuxia performanceStandardzhuxia performance
T62LT6-80≥490600-610≥410535-540≥310-12.5GJB2662A


* Remarks: Specific requirement of alloy, temper or specification can be discussed at your request.



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