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6351 Aluminum vs. 2014A Aluminum

Both 6351 aluminum and 2014A aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 6351 aluminum and the bottom bar is 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
72
Elongation at Break, % 7.8 to 18
6.2 to 16
Fatigue Strength, MPa 79 to 130
93 to 150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 84 to 200
130 to 290
Tensile Strength: Ultimate (UTS), MPa 140 to 310
210 to 490
Tensile Strength: Yield (Proof), MPa 95 to 270
110 to 430

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 570
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
37
Electrical Conductivity: Equal Weight (Specific), % IACS 150
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 38
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 540
85 to 1300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 14 to 32
19 to 45
Strength to Weight: Bending, points 22 to 38
26 to 46
Thermal Diffusivity, mm2/s 72
55
Thermal Shock Resistance, points 6.1 to 14
9.0 to 22

Alloy Composition

Aluminum (Al), % 96 to 98.5
90.8 to 95
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
3.9 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.4 to 0.8
0.2 to 0.8
Manganese (Mn), % 0.4 to 0.8
0.4 to 1.2
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0.7 to 1.3
0.5 to 0.9
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants