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444.0 Aluminum vs. SAE-AISI H10 Steel

444.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI H10 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 444.0 aluminum and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Tensile Strength: Ultimate (UTS), MPa 190
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 500
270
Melting Completion (Liquidus), °C 610
1470
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
38
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.9
3.4
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1110
71

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 20
24 to 72
Strength to Weight: Bending, points 28
22 to 46
Thermal Diffusivity, mm2/s 67
10
Thermal Shock Resistance, points 8.8
22 to 66

Alloy Composition

Aluminum (Al), % 90.5 to 93.5
0
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.6
89.5 to 93.4
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0.25 to 0.7
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 6.5 to 7.5
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.25 to 0.75
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0