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5251 Aluminum vs. 711.0 Aluminum

Both 5251 aluminum and 711.0 aluminum are aluminum alloys. They have a moderately high 92% 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 5251 aluminum and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
70
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 2.0 to 19
7.8
Fatigue Strength, MPa 59 to 110
100
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 180 to 280
220
Tensile Strength: Yield (Proof), MPa 67 to 250
140

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
15
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 18 to 29
20
Strength to Weight: Bending, points 26 to 35
26
Thermal Diffusivity, mm2/s 61
61
Thermal Shock Resistance, points 7.9 to 13
9.3

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
89.8 to 92.7
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0.35 to 0.65
Iron (Fe), % 0 to 0.5
0.7 to 1.4
Magnesium (Mg), % 1.7 to 2.4
0.25 to 0.45
Manganese (Mn), % 0.1 to 0.5
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.3
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
6.0 to 7.0
Residuals, % 0 to 0.15
0 to 0.15