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AISI 202 Stainless Steel vs. 392.0 Aluminum

AISI 202 stainless steel belongs to the iron alloys classification, while 392.0 aluminum belongs to the aluminum alloys. There are 29 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 AISI 202 stainless steel and the bottom bar is 392.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 14 to 45
0.86
Fatigue Strength, MPa 290 to 330
190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 700 to 980
290
Tensile Strength: Yield (Proof), MPa 310 to 580
270

Thermal Properties

Latent Heat of Fusion, J/g 290
670
Maximum Temperature: Mechanical, °C 910
170
Melting Completion (Liquidus), °C 1400
670
Melting Onset (Solidus), °C 1360
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
90

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.7
2.5
Embodied Carbon, kg CO2/kg material 2.8
7.5
Embodied Energy, MJ/kg 40
140
Embodied Water, L/kg 150
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
490
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 25
56
Strength to Weight: Axial, points 25 to 35
32
Strength to Weight: Bending, points 23 to 29
39
Thermal Diffusivity, mm2/s 4.0
60
Thermal Shock Resistance, points 15 to 21
15

Alloy Composition

Aluminum (Al), % 0
73.9 to 80.6
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 63.5 to 71.5
0 to 1.5
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 7.5 to 10
0.2 to 0.6
Nickel (Ni), % 4.0 to 6.0
0 to 0.5
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
18 to 20
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5