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5251 Aluminum vs. 712.0 Aluminum

Both 5251 aluminum and 712.0 aluminum are aluminum alloys. They have a moderately high 94% 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 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 2.0 to 19
4.5 to 4.7
Fatigue Strength, MPa 59 to 110
140 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 160
180
Tensile Strength: Ultimate (UTS), MPa 180 to 280
250 to 260
Tensile Strength: Yield (Proof), MPa 67 to 250
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
11
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
240 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 18 to 29
24 to 25
Strength to Weight: Bending, points 26 to 35
30 to 31
Thermal Diffusivity, mm2/s 61
62
Thermal Shock Resistance, points 7.9 to 13
11

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
90.7 to 94
Chromium (Cr), % 0 to 0.15
0.4 to 0.6
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 1.7 to 2.4
0.5 to 0.65
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.3
Titanium (Ti), % 0 to 0.15
0.15 to 0.25
Zinc (Zn), % 0 to 0.15
5.0 to 6.5
Residuals, % 0 to 0.15
0 to 0.2

Comparable Variants