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6061 Aluminum vs. 7005-T53 Aluminum

Both 6061 aluminum and 7005-T53 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 6061 aluminum and the bottom bar is 7005-T53 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 3.4 to 20
10
Fatigue Strength, MPa 58 to 110
170
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 84 to 210
230
Tensile Strength: Ultimate (UTS), MPa 130 to 410
390
Tensile Strength: Yield (Proof), MPa 76 to 370
340

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 580
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
38
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8 to 81
39
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 1000
840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 13 to 42
38
Strength to Weight: Bending, points 21 to 45
41
Thermal Diffusivity, mm2/s 68
58
Thermal Shock Resistance, points 5.7 to 18
17

Alloy Composition

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