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7005 Aluminum vs. 6061 Aluminum

Both 7005 aluminum and 6061 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 7005 aluminum and the bottom bar is 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 10 to 20
3.4 to 20
Fatigue Strength, MPa 100 to 190
58 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 230
84 to 210
Tensile Strength: Ultimate (UTS), MPa 200 to 400
130 to 410
Tensile Strength: Yield (Proof), MPa 95 to 350
76 to 370

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 610
580
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140 to 170
170
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
43
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Calomel Potential, mV -850
-740
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
42 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 19 to 38
13 to 42
Strength to Weight: Bending, points 26 to 41
21 to 45
Thermal Diffusivity, mm2/s 54 to 65
68
Thermal Shock Resistance, points 8.7 to 18
5.7 to 18

Alloy Composition

Aluminum (Al), % 91 to 94.7
95.9 to 98.6
Chromium (Cr), % 0.060 to 0.2
0.040 to 0.35
Copper (Cu), % 0 to 0.1
0.15 to 0.4
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 1.0 to 1.8
0.8 to 1.2
Manganese (Mn), % 0.2 to 0.7
0 to 0.15
Silicon (Si), % 0 to 0.35
0.4 to 0.8
Titanium (Ti), % 0.010 to 0.060
0 to 0.15
Zinc (Zn), % 4.0 to 5.0
0 to 0.25
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.15

Comparable Variants