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6008 Aluminum vs. 7175 Aluminum

Both 6008 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 6008 aluminum and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.1 to 17
3.8 to 5.9
Fatigue Strength, MPa 55 to 88
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 170
290 to 330
Tensile Strength: Ultimate (UTS), MPa 200 to 290
520 to 570
Tensile Strength: Yield (Proof), MPa 100 to 220
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 620
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 190
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
33
Electrical Conductivity: Equal Weight (Specific), % IACS 160
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 21 to 29
48 to 52
Strength to Weight: Bending, points 28 to 35
48 to 51
Thermal Diffusivity, mm2/s 77
53
Thermal Shock Resistance, points 9.0 to 13
23 to 25

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
88 to 91.4
Chromium (Cr), % 0 to 0.3
0.18 to 0.28
Copper (Cu), % 0 to 0.3
1.2 to 2.0
Iron (Fe), % 0 to 0.35
0 to 0.2
Magnesium (Mg), % 0.4 to 0.7
2.1 to 2.9
Manganese (Mn), % 0 to 0.3
0 to 0.1
Silicon (Si), % 0.5 to 0.9
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.1
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
5.1 to 6.1
Residuals, % 0
0 to 0.15