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AISI 202 Stainless Steel vs. 333.0 Aluminum

AISI 202 stainless steel belongs to the iron alloys classification, while 333.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 333.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
90 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 14 to 45
1.0 to 2.0
Fatigue Strength, MPa 290 to 330
83 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Shear Strength, MPa 490 to 590
190 to 230
Tensile Strength: Ultimate (UTS), MPa 700 to 980
230 to 280
Tensile Strength: Yield (Proof), MPa 310 to 580
130 to 210

Thermal Properties

Latent Heat of Fusion, J/g 290
520
Maximum Temperature: Mechanical, °C 910
170
Melting Completion (Liquidus), °C 1400
590
Melting Onset (Solidus), °C 1360
530
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 15
100 to 140
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
26 to 35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
83 to 110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.8
7.6
Embodied Energy, MJ/kg 40
140
Embodied Water, L/kg 150
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
2.1 to 4.6
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
120 to 290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 25 to 35
22 to 27
Strength to Weight: Bending, points 23 to 29
29 to 34
Thermal Diffusivity, mm2/s 4.0
42 to 57
Thermal Shock Resistance, points 15 to 21
11 to 13

Alloy Composition

Aluminum (Al), % 0
81.8 to 89
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 63.5 to 71.5
0 to 1.0
Magnesium (Mg), % 0
0.050 to 0.5
Manganese (Mn), % 7.5 to 10
0 to 0.5
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
8.0 to 10
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5