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2017A Aluminum vs. SAE-AISI H22 Steel

2017A aluminum belongs to the aluminum alloys classification, while SAE-AISI H22 steel belongs to the iron 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 2017A aluminum and the bottom bar is SAE-AISI H22 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
77
Tensile Strength: Ultimate (UTS), MPa 200 to 460
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 650
1670
Melting Onset (Solidus), °C 510
1620
Specific Heat Capacity, J/kg-K 880
440
Thermal Conductivity, W/m-K 150
31
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.2
4.9
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1140
72

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
22
Strength to Weight: Axial, points 19 to 42
22 to 61
Strength to Weight: Bending, points 26 to 44
20 to 39
Thermal Diffusivity, mm2/s 56
8.2
Thermal Shock Resistance, points 8.9 to 20
22 to 60

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0 to 0.1
1.8 to 3.8
Copper (Cu), % 3.5 to 4.5
0 to 0.25
Iron (Fe), % 0 to 0.7
82.2 to 87.4
Magnesium (Mg), % 0.4 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 0.8
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0

Comparable Variants