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206.0 Aluminum vs. AISI 202 Stainless Steel

206.0 aluminum belongs to the aluminum alloys classification, while AISI 202 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 206.0 aluminum and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.4 to 12
14 to 45
Fatigue Strength, MPa 88 to 210
290 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 260
490 to 590
Tensile Strength: Ultimate (UTS), MPa 330 to 440
700 to 980
Tensile Strength: Yield (Proof), MPa 190 to 350
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 570
1360
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
250 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 30 to 40
25 to 35
Strength to Weight: Bending, points 35 to 42
23 to 29
Thermal Diffusivity, mm2/s 46
4.0
Thermal Shock Resistance, points 17 to 23
15 to 21

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.15
63.5 to 71.5
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.5
7.5 to 10
Nickel (Ni), % 0 to 0.050
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0