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852.0 Aluminum vs. AISI 422 Stainless Steel

852.0 aluminum belongs to the aluminum alloys classification, while AISI 422 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 852.0 aluminum and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 64
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.4
15 to 17
Fatigue Strength, MPa 73
410 to 500
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 130
560 to 660
Tensile Strength: Ultimate (UTS), MPa 200
910 to 1080
Tensile Strength: Yield (Proof), MPa 150
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 190
650
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 210
1470
Specific Heat Capacity, J/kg-K 840
470
Thermal Conductivity, W/m-K 180
24
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 3.2
7.9
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1150
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1140 to 1910
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 43
25
Strength to Weight: Axial, points 17
32 to 38
Strength to Weight: Bending, points 24
26 to 30
Thermal Diffusivity, mm2/s 65
6.4
Thermal Shock Resistance, points 8.7
33 to 39

Alloy Composition

Aluminum (Al), % 86.6 to 91.3
0
Carbon (C), % 0
0.2 to 0.25
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 1.7 to 2.3
0
Iron (Fe), % 0 to 0.7
81.9 to 85.8
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.1
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0.9 to 1.5
0.5 to 1.0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3
Residuals, % 0 to 0.3
0