Aircraft structures & other components, weapons, bolts, sporting goods.
Aluminum 7075 T6 Composition
Al (aluminum)
87.2
–
91.4
%
Cr (chromium)
0.18
–
0.28
%
Cu (copper)
1.2
–
2
%
Fe (iron)
0
–
0.5
%
Mg (magnesium)
2.1
–
2.9
%
Mn (manganese)
0
–
0.3
%
Si (silicon)
0
–
0.4
%
Ti (titanium)
0
–
0.2
%
Zn (zinc)
5.1
–
6.1
%
Other
0
–
0.15
%
Aluminum 7075 T6 Physical properties
Density
2.77
–
2.83
g/cm^3
Aluminum 7075 T6 Mechanical properties
Young’s modulus
69
–
76
GPa
Specific stiffness
24.6
–
27.2
MN.m/kg
Yield strength (elastic limit)
359
–
530
MPa
Tensile strength
434
–
580
MPa
Specific strength
128
–
189
kN.m/kg
Elongation
2
–
10
% strain
Compressive strength
393
–
530
MPa
Flexural modulus
69
–
76
GPa
Flexural strength (modulus of rupture)
359
–
530
MPa
Shear modulus
26
–
28
GPa
Bulk modulus
67
–
74
GPa
Poisson’s ratio
0.325
–
0.335
Shape factor
16
Hardness – Vickers
152
–
168
HV
Hardness – Brinell
145
–
165
HB
Elastic stored energy (springs)
917
–
1.88e3
kJ/m^3
Fatigue strength at 10^7 cycles
152
–
168
MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles
121
–
211
MPa
Aluminum 7075 T6 Impact & fracture properties
Fracture toughness
26.6
–
26.8
MPa.m^0.5
Toughness (G)
9.38
–
10.3
kJ/m^2
Aluminum 7075 T6 Thermal properties
Melting point
475
–
635
°C
Maximum service temperature
80
–
100
°C
Minimum service temperature
-273
°C
Thermal conductivity
131
–
137
W/m.°C
Specific heat capacity
913
–
979
J/kg.°C
Thermal expansion coefficient
22.9
–
24.1
µstrain/°C
Thermal shock resistance
210
–
313
°C
Thermal distortion resistance
5.51
–
5.9
MW/m
Latent heat of fusion
384
–
393
kJ/kg
Aluminum 7075 T6 Electrical properties
Electrical resistivity
5.1
–
5.3
µohm.cm
Electrical conductivity
32.5
–
33.8
%IACS
Galvanic potential
-0.78
–
-0.7
V
Aluminum 7075 T6 Processing properties
Metal casting
Unsuitable
Metal cold forming
Acceptable
Metal hot forming
Excellent
Metal press forming
Acceptable
Metal deep drawing
Acceptable
Machining speed
76.2 m/min
Weldability
Unsuitable
Aluminum 7075 T6 Durability
Water (fresh)
Excellent
Water (salt)
Acceptable
Weak acids
Excellent
Strong acids
Excellent
Weak alkalis
Acceptable
Strong alkalis
Unacceptable
Organic solvents
Excellent
Oxidation at 500C
Unacceptable
UV radiation (sunlight)
Excellent
Galling resistance (adhesive wear)
Limited use
Flammability
Non-flammable
Notes:Aluminum alloys perform poorly when self-mated but can be processed without galling when mated with steels.
Aluminum 7075 T6 Corrosion Resistance
Stress corrosion cracking
Highly susceptible
Note: Rated in chloride; Other susceptible environments: Halide, water
Aluminum 7075 T6 Standards with Similar Compositions – Equivalent Grades
Australia: 7075 to AS 1865, 7075 to AS 2848.1
Austria: AlZnMgCu1.5 to ONORM M3430
Canada: 0.7075 to CSA HA.4, 0.7075 to CSA HA.5, 0.7075 to CSA HA.7, 0.7075 to CSA HA.8, 7075Alclad to CSA HA.4
Europe: EN AW-7075 to CEN EN 573-3
France: 7075 to NF A50-411, 7075 to NF A50-451
Germany: 3.4365/AlZnMgCu1.5 to DIN 1725-1
India: 76528 to IS
International: AlZn5.5MgCu to ISO 209-1
Japan: A7075BD to JIS H4040, A7075BE to JIS H4040, A7075FD to JIS H4140, A7075FH to JIS H4140, A7075P to JIS H4000, A7075S to JIS H4100, A7075TD to JIS H4080, A7075TE to JIS H4080
Norway: 17411 to NS 17411
UK: 2L.88 to BS 2L.88
USA: 7075, 7075 to ASTM B209M, 7075 to ASTM B210M, 7075 to ASTM B211M, 7075 to ASTM B221M, 7075 to ASTM B241M, 7075 to ASTM B247M, 7075 to ASTM B316/B316M, UNS A97075
Venezuela: 7075 to COPANT 862
Yugoslavia: 3.7553.00/AlZn5MgCu1.5 to JUS C.C2.100
