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359.0 Aluminum vs. SAE-AISI M44 Steel

359.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI M44 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 359.0 aluminum and the bottom bar is SAE-AISI M44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 340 to 350
870 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 530
270
Melting Completion (Liquidus), °C 600
1590
Melting Onset (Solidus), °C 570
1540
Specific Heat Capacity, J/kg-K 910
440
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
43
Density, g/cm3 2.6
8.4
Embodied Carbon, kg CO2/kg material 8.0
9.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1090
170

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
23
Strength to Weight: Axial, points 37 to 38
28 to 75
Strength to Weight: Bending, points 42 to 43
24 to 46
Thermal Diffusivity, mm2/s 59
3.7
Thermal Shock Resistance, points 16 to 17
27 to 70

Alloy Composition

Aluminum (Al), % 88.9 to 91
0
Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 0
11 to 12.3
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.2
65.3 to 70.6
Magnesium (Mg), % 0.5 to 0.7
0
Manganese (Mn), % 0 to 0.1
0.2 to 0.4
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 8.5 to 9.5
0.3 to 0.55
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
5.0 to 5.8
Vanadium (V), % 0
1.9 to 2.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0