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392.0 Aluminum vs. SAE-AISI H14 Steel

392.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI H14 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 392.0 aluminum and the bottom bar is SAE-AISI H14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
75
Tensile Strength: Ultimate (UTS), MPa 290
710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 670
270
Melting Completion (Liquidus), °C 670
1530
Melting Onset (Solidus), °C 580
1490
Specific Heat Capacity, J/kg-K 900
460
Thermal Conductivity, W/m-K 130
35
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 90
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 2.5
8.1
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 950
73

Common Calculations

Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 56
24
Strength to Weight: Axial, points 32
24 to 69
Strength to Weight: Bending, points 39
22 to 44
Thermal Diffusivity, mm2/s 60
9.3
Thermal Shock Resistance, points 15
24 to 68

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0.4 to 0.8
0 to 0.25
Iron (Fe), % 0 to 1.5
86.5 to 89.9
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0.2 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 18 to 20
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
4.0 to 5.3
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0