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5251 Aluminum vs. 356.0 Aluminum

Both 5251 aluminum and 356.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 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 356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
55 to 75
Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 2.0 to 19
2.0 to 3.8
Fatigue Strength, MPa 59 to 110
55 to 75
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 160
140 to 190
Tensile Strength: Ultimate (UTS), MPa 180 to 280
160 to 240
Tensile Strength: Yield (Proof), MPa 67 to 250
100 to 190

Thermal Properties

Latent Heat of Fusion, J/g 400
500
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
620
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
150 to 170
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
40 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140 to 150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.5
8.0
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
3.2 to 8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
70 to 250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 18 to 29
17 to 26
Strength to Weight: Bending, points 26 to 35
25 to 33
Thermal Diffusivity, mm2/s 61
64 to 71
Thermal Shock Resistance, points 7.9 to 13
7.6 to 11

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
90.1 to 93.3
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.6
Magnesium (Mg), % 1.7 to 2.4
0.2 to 0.45
Manganese (Mn), % 0.1 to 0.5
0 to 0.35
Silicon (Si), % 0 to 0.4
6.5 to 7.5
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.15
0 to 0.35
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants