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5251 Aluminum vs. 359.0 Aluminum

Both 5251 aluminum and 359.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is 359.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
90 to 100
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 2.0 to 19
3.8 to 4.9
Fatigue Strength, MPa 59 to 110
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 160
220 to 230
Tensile Strength: Ultimate (UTS), MPa 180 to 280
340 to 350
Tensile Strength: Yield (Proof), MPa 67 to 250
250 to 280

Thermal Properties

Latent Heat of Fusion, J/g 400
530
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 24
21

Electrical Properties

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

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
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
12 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
450 to 540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 18 to 29
37 to 38
Strength to Weight: Bending, points 26 to 35
42 to 43
Thermal Diffusivity, mm2/s 61
59
Thermal Shock Resistance, points 7.9 to 13
16 to 17

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
88.9 to 91
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 1.7 to 2.4
0.5 to 0.7
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
8.5 to 9.5
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15