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SAE-AISI H11 Steel vs. EN AC-48000 Aluminum

SAE-AISI H11 steel belongs to the iron alloys classification, while EN AC-48000 aluminum belongs to the aluminum 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 SAE-AISI H11 steel and the bottom bar is EN AC-48000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
28
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
220 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 42
130
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
33
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
110

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
10
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.0
7.9
Embodied Energy, MJ/kg 43
140
Embodied Water, L/kg 75
1030

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 25 to 66
23 to 33
Strength to Weight: Bending, points 22 to 43
31 to 39
Thermal Diffusivity, mm2/s 11
54
Thermal Shock Resistance, points 22 to 58
10 to 15

Alloy Composition

Aluminum (Al), % 0
80.4 to 87.2
Carbon (C), % 0.33 to 0.43
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0.8 to 1.5
Iron (Fe), % 89.6 to 92.5
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.5
Manganese (Mn), % 0.2 to 0.5
0 to 0.35
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0.7 to 1.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.8 to 1.2
10.5 to 13.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15