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6023 Aluminum vs. 7175 Aluminum

Both 6023 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 6023 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, % 11
3.8 to 5.9
Fatigue Strength, MPa 120 to 130
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 210 to 220
290 to 330
Tensile Strength: Ultimate (UTS), MPa 360
520 to 570
Tensile Strength: Yield (Proof), MPa 300 to 310
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 580
480
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 170
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
99

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 35 to 36
48 to 52
Strength to Weight: Bending, points 40
48 to 51
Thermal Diffusivity, mm2/s 67
53
Thermal Shock Resistance, points 16
23 to 25

Alloy Composition

Aluminum (Al), % 94 to 97.7
88 to 91.4
Bismuth (Bi), % 0.3 to 0.8
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0.2 to 0.5
1.2 to 2.0
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 0.4 to 0.9
2.1 to 2.9
Manganese (Mn), % 0.2 to 0.6
0 to 0.1
Silicon (Si), % 0.6 to 1.4
0 to 0.15
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
5.1 to 6.1
Residuals, % 0
0 to 0.15