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SAE-AISI H23 Steel vs. EN AC-46500 Aluminum

SAE-AISI H23 steel belongs to the iron alloys classification, while EN AC-46500 aluminum belongs to the aluminum 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 SAE-AISI H23 steel and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
74
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
28
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
270

Thermal Properties

Latent Heat of Fusion, J/g 260
520
Melting Completion (Liquidus), °C 1680
610
Melting Onset (Solidus), °C 1630
520
Specific Heat Capacity, J/kg-K 440
880
Thermal Conductivity, W/m-K 20
100
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 6.9
7.6
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 120
1030

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
49
Strength to Weight: Axial, points 24 to 49
26
Strength to Weight: Bending, points 21 to 34
32
Thermal Diffusivity, mm2/s 5.2
41
Thermal Shock Resistance, points 23 to 47
12

Alloy Composition

Aluminum (Al), % 0
77.9 to 90
Carbon (C), % 0.25 to 0.35
0
Chromium (Cr), % 11 to 12.8
0 to 0.15
Copper (Cu), % 0 to 0.25
2.0 to 4.0
Iron (Fe), % 71.3 to 76.7
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0.15 to 0.4
0 to 0.55
Nickel (Ni), % 0 to 0.3
0 to 0.55
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.6
8.0 to 11
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.25