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5251 Aluminum vs. 772.0 Aluminum

Both 5251 aluminum and 772.0 aluminum are aluminum alloys. They have a moderately high 93% 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 5251 aluminum and the bottom bar is 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 2.0 to 19
6.3 to 8.4
Fatigue Strength, MPa 59 to 110
94 to 160
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 180 to 280
260 to 320
Tensile Strength: Yield (Proof), MPa 67 to 250
220 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
580
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

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
8.0
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
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
350 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 18 to 29
25 to 31
Strength to Weight: Bending, points 26 to 35
31 to 36
Thermal Diffusivity, mm2/s 61
58
Thermal Shock Resistance, points 7.9 to 13
11 to 14

Alloy Composition


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Aluminum (Al), % 95.5 to 98.2
91.2 to 93.2
Chromium (Cr), % 0 to 0.15
0.060 to 0.2
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.15
Magnesium (Mg), % 1.7 to 2.4
0.6 to 0.8
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.15
Titanium (Ti), % 0 to 0.15
0.1 to 0.2
Zinc (Zn), % 0 to 0.15
6.0 to 7.0
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants