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EN AC-51300 Aluminum vs. 7178 Aluminum

Both EN AC-51300 aluminum and 7178 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-51300 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
71
Elongation at Break, % 3.7
4.5 to 12
Fatigue Strength, MPa 78
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 190
240 to 640
Tensile Strength: Yield (Proof), MPa 110
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 600
480
Specific Heat Capacity, J/kg-K 910
860
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
31
Electrical Conductivity: Equal Weight (Specific), % IACS 100
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 87
110 to 2220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 20
21 to 58
Strength to Weight: Bending, points 28
28 to 54
Thermal Diffusivity, mm2/s 45
47
Thermal Shock Resistance, points 8.6
10 to 28

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.6 to 2.4
Iron (Fe), % 0 to 0.55
0 to 0.5
Magnesium (Mg), % 4.5 to 6.5
2.4 to 3.1
Manganese (Mn), % 0 to 0.45
0 to 0.3
Silicon (Si), % 0 to 0.55
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
6.3 to 7.3
Residuals, % 0 to 0.15
0 to 0.15