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201.0 Aluminum vs. 7178 Aluminum

Both 201.0 aluminum and 7178 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is 201.0 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 4.4 to 20
4.5 to 12
Fatigue Strength, MPa 120 to 150
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 290
140 to 380
Tensile Strength: Ultimate (UTS), MPa 370 to 470
240 to 640
Tensile Strength: Yield (Proof), MPa 220 to 400
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 570
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30 to 33
31
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 97
91

Otherwise Unclassified Properties

Base Metal Price, % relative 38
10
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.2
Embodied Energy, MJ/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 63
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 1160
110 to 2220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 33 to 42
21 to 58
Strength to Weight: Bending, points 37 to 44
28 to 54
Thermal Diffusivity, mm2/s 45
47
Thermal Shock Resistance, points 19 to 25
10 to 28

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 4.0 to 5.2
1.6 to 2.4
Iron (Fe), % 0 to 0.15
0 to 0.5
Magnesium (Mg), % 0.15 to 0.55
2.4 to 3.1
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.4
Silver (Ag), % 0.4 to 1.0
0
Titanium (Ti), % 0.15 to 0.35
0 to 0.2
Zinc (Zn), % 0
6.3 to 7.3
Residuals, % 0 to 0.1
0 to 0.15

Comparable Variants