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5251 Aluminum vs. 296.0 Aluminum

Both 5251 aluminum and 296.0 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 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 2.0 to 19
3.2 to 7.1
Fatigue Strength, MPa 59 to 110
47 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 180 to 280
260 to 270
Tensile Strength: Yield (Proof), MPa 67 to 250
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 610
540
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
130 to 150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
7.6 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
110 to 220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 18 to 29
24 to 25
Strength to Weight: Bending, points 26 to 35
30 to 31
Thermal Diffusivity, mm2/s 61
51 to 56
Thermal Shock Resistance, points 7.9 to 13
12

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
89 to 94
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
4.0 to 5.0
Iron (Fe), % 0 to 0.5
0 to 1.2
Magnesium (Mg), % 1.7 to 2.4
0 to 0.050
Manganese (Mn), % 0.1 to 0.5
0 to 0.35
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0 to 0.4
2.0 to 3.0
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.15
0 to 0.5
Residuals, % 0 to 0.15
0 to 0.35