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5251 Aluminum vs. 319.0 Aluminum

Both 5251 aluminum and 319.0 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 31 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 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
78 to 84
Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 2.0 to 19
1.8 to 2.0
Fatigue Strength, MPa 59 to 110
76 to 80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 160
170 to 210
Tensile Strength: Ultimate (UTS), MPa 180 to 280
190 to 240
Tensile Strength: Yield (Proof), MPa 67 to 250
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
480
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 610
540
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
84

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.5
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
88 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 18 to 29
18 to 24
Strength to Weight: Bending, points 26 to 35
25 to 30
Thermal Diffusivity, mm2/s 61
44
Thermal Shock Resistance, points 7.9 to 13
8.6 to 11

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
85.8 to 91.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
3.0 to 4.0
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 1.7 to 2.4
0 to 0.1
Manganese (Mn), % 0.1 to 0.5
0 to 0.5
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0 to 0.4
5.5 to 6.5
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.15
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.5

Comparable Variants