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5251 Aluminum vs. 512.0 Aluminum

Both 5251 aluminum and 512.0 aluminum are aluminum alloys. They have a very high 96% 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 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
50
Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 2.0 to 19
2.0
Fatigue Strength, MPa 59 to 110
58
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 180 to 280
130
Tensile Strength: Yield (Proof), MPa 67 to 250
83

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 610
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
50
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 18 to 29
14
Strength to Weight: Bending, points 26 to 35
22
Thermal Diffusivity, mm2/s 61
60
Thermal Shock Resistance, points 7.9 to 13
6.1

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
90.6 to 95.1
Chromium (Cr), % 0 to 0.15
0 to 0.25
Copper (Cu), % 0 to 0.15
0 to 0.35
Iron (Fe), % 0 to 0.5
0 to 0.6
Magnesium (Mg), % 1.7 to 2.4
3.5 to 4.5
Manganese (Mn), % 0.1 to 0.5
0 to 0.8
Silicon (Si), % 0 to 0.4
1.4 to 2.2
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