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336.0 Aluminum vs. 7178 Aluminum

Both 336.0 aluminum and 7178 aluminum are aluminum alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 336.0 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
71
Elongation at Break, % 0.5
4.5 to 12
Fatigue Strength, MPa 80 to 93
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
27
Shear Strength, MPa 190 to 250
140 to 380
Tensile Strength: Ultimate (UTS), MPa 250 to 320
240 to 640
Tensile Strength: Yield (Proof), MPa 190 to 300
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 570
370
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 570
630
Melting Onset (Solidus), °C 540
480
Specific Heat Capacity, J/kg-K 890
860
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
31
Electrical Conductivity: Equal Weight (Specific), % IACS 95
91

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
110 to 2220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 25 to 32
21 to 58
Strength to Weight: Bending, points 32 to 38
28 to 54
Thermal Diffusivity, mm2/s 48
47
Thermal Shock Resistance, points 12 to 16
10 to 28

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0.5 to 1.5
1.6 to 2.4
Iron (Fe), % 0 to 1.2
0 to 0.5
Magnesium (Mg), % 0.7 to 1.3
2.4 to 3.1
Manganese (Mn), % 0 to 0.35
0 to 0.3
Nickel (Ni), % 2.0 to 3.0
0
Silicon (Si), % 11 to 13
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.35
6.3 to 7.3
Residuals, % 0
0 to 0.15