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5449 Aluminum vs. SAE-AISI M10 Steel

5449 aluminum belongs to the aluminum alloys classification, while SAE-AISI M10 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 5449 aluminum and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 210 to 330
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 650
1520
Melting Onset (Solidus), °C 590
1470
Specific Heat Capacity, J/kg-K 900
460
Thermal Conductivity, W/m-K 140
31
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1180
100

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 22 to 33
26 to 76
Strength to Weight: Bending, points 29 to 39
23 to 47
Thermal Diffusivity, mm2/s 56
8.5
Thermal Shock Resistance, points 9.4 to 15
23 to 68

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Carbon (C), % 0
0.84 to 1.1
Chromium (Cr), % 0 to 0.3
3.8 to 4.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.7
82.3 to 85.6
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0.1 to 0.4
Molybdenum (Mo), % 0
7.8 to 8.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0

Comparable Variants