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6013 Aluminum vs. 7178 Aluminum

Both 6013 aluminum and 7178 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is 6013 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 3.4 to 22
4.5 to 12
Fatigue Strength, MPa 98 to 140
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 190 to 240
140 to 380
Tensile Strength: Ultimate (UTS), MPa 310 to 410
240 to 640
Tensile Strength: Yield (Proof), MPa 170 to 350
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 580
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 58
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 900
110 to 2220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 31 to 41
21 to 58
Strength to Weight: Bending, points 37 to 44
28 to 54
Thermal Diffusivity, mm2/s 60
47
Thermal Shock Resistance, points 14 to 18
10 to 28

Alloy Composition

Aluminum (Al), % 94.8 to 97.8
85.4 to 89.5
Chromium (Cr), % 0 to 0.1
0.18 to 0.28
Copper (Cu), % 0.6 to 1.1
1.6 to 2.4
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.8 to 1.2
2.4 to 3.1
Manganese (Mn), % 0.2 to 0.8
0 to 0.3
Silicon (Si), % 0.6 to 1.0
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.25
6.3 to 7.3
Residuals, % 0
0 to 0.15

Comparable Variants