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5251 Aluminum vs. 707.0 Aluminum

Both 5251 aluminum and 707.0 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 2.0 to 19
1.7 to 3.4
Fatigue Strength, MPa 59 to 110
75 to 140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 180 to 280
270 to 300
Tensile Strength: Yield (Proof), MPa 67 to 250
170 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 610
600
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
4.3 to 8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
210 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 18 to 29
26 to 29
Strength to Weight: Bending, points 26 to 35
32 to 34
Thermal Diffusivity, mm2/s 61
58
Thermal Shock Resistance, points 7.9 to 13
12 to 13

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
90.5 to 93.6
Chromium (Cr), % 0 to 0.15
0.2 to 0.4
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.8
Magnesium (Mg), % 1.7 to 2.4
1.8 to 2.4
Manganese (Mn), % 0.1 to 0.5
0.4 to 0.6
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.15
4.0 to 4.5
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants