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5070 Aluminum vs. SAE-AISI H41 Steel

5070 aluminum belongs to the aluminum alloys classification, while SAE-AISI H41 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 5070 aluminum and the bottom bar is SAE-AISI H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 300
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 640
1560
Melting Onset (Solidus), °C 550
1510
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.8
6.8
Embodied Energy, MJ/kg 150
97
Embodied Water, L/kg 1170
97

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 31
24 to 76
Strength to Weight: Bending, points 37
22 to 47
Thermal Diffusivity, mm2/s 53
7.7
Thermal Shock Resistance, points 14
20 to 64

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0 to 0.3
3.5 to 4.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
81.8 to 85
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0.4 to 0.8
0
Residuals, % 0 to 0.15
0