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This is a kind of 7000 serial aluminum-zinc-magnesium alloy.Aluminium Alloy 7075 is one of the highest strength alloys available.It is applied to make airplane structural component and other structural component with high stress requiring high strength and corrosion resistance, such as surface plate of airplane upper and lower wings, purlin and bulkhead. It has high plasticity after solution treatment, good reinforcement performance after heat treatment, high strength in the condition under 150℃, excellent low temperature strength, bad weldability, liable to crack under stress corrosion, double-aging may improve SCC performance.
 

Shanghai BRESS aluminum Co.,Ltd  Optional specification of 7075

7075 Alloy (Chemical Composition Limits wt%)

Cu

Si

Fe

Mn

Mg

Zn

Cr

Ti

Pb.Bi

Al

1.2-2.0

0.4

0.5

0.3

2.1-2.9

5.1-6.1

0.4

0.06

/

Remainder

7075 T6/T651/T62(Typical Mechanical & Physical Properties)

Weldable

Machinability

Corrosion Resistance

Electrical Conductivity
20℃(68℉) (%IACS)

Digital Density
(20℃)(g/cm3)

D

B

C

C

2.85

Tensile Strength
(25°C MPa)

Yield Strength
(25°C MPa)

Hardness(HB)
500kgf 10mm ball

Elongation
1.6mm(1/16in)thickness

Shearing Strength max.
MPa

570

505

150

11

330

7075 T6/T651/T62(Typical Mechanical & Physical Properties)

Weldable

Machinability

Corrosion Resistance

Electrical Conductivity
20℃(68℉) (%IACS)

Digital Density
(20℃)(g/cm3)

D

B

C

C

2.85

Tensile Strength
(25°C MPa)

Yield Strength
(25°C MPa)

Hardness(HB)
500kgf 10mm ball

Elongation
1.6mm(1/16in)thickness

Shearing Strength max.
MPa

228

103

60

17

152

Explain:

Electrical Conductivity