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5251 Aluminum vs. 201.0 Aluminum

Both 5251 aluminum and 201.0 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
95 to 140
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 2.0 to 19
4.4 to 20
Fatigue Strength, MPa 59 to 110
120 to 150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 160
290
Tensile Strength: Ultimate (UTS), MPa 180 to 280
370 to 470
Tensile Strength: Yield (Proof), MPa 67 to 250
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
38
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.5
8.7
Embodied Energy, MJ/kg 150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
330 to 1160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 18 to 29
33 to 42
Strength to Weight: Bending, points 26 to 35
37 to 44
Thermal Diffusivity, mm2/s 61
45
Thermal Shock Resistance, points 7.9 to 13
19 to 25

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
92.1 to 95.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
4.0 to 5.2
Iron (Fe), % 0 to 0.5
0 to 0.15
Magnesium (Mg), % 1.7 to 2.4
0.15 to 0.55
Manganese (Mn), % 0.1 to 0.5
0.2 to 0.5
Silicon (Si), % 0 to 0.4
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Titanium (Ti), % 0 to 0.15
0.15 to 0.35
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0 to 0.1