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2017-O Aluminum vs. Annealed SAE-AISI H22

2017-O aluminum belongs to the aluminum alloys classification, while annealed SAE-AISI H22 belongs to the iron alloys. There are 22 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 2017-O aluminum and the bottom bar is annealed SAE-AISI H22.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
210
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 190
700

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 640
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 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.0
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 17
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 56
8.2
Thermal Shock Resistance, points 7.9
22

Alloy Composition

Aluminum (Al), % 91.6 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 0.8
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 0.15
0
Tungsten (W), % 0
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0