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AISI 202 Stainless Steel vs. 5456 Aluminum

AISI 202 stainless steel belongs to the iron alloys classification, while 5456 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 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 14 to 45
11 to 18
Fatigue Strength, MPa 290 to 330
130 to 210
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 490 to 590
190 to 210
Tensile Strength: Ultimate (UTS), MPa 700 to 980
320 to 340
Tensile Strength: Yield (Proof), MPa 310 to 580
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Maximum Temperature: Corrosion, °C 410
65
Maximum Temperature: Mechanical, °C 910
190
Melting Completion (Liquidus), °C 1400
640
Melting Onset (Solidus), °C 1360
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
97

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.8
9.0
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 150
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
170 to 470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 25 to 35
33 to 35
Strength to Weight: Bending, points 23 to 29
38 to 40
Thermal Diffusivity, mm2/s 4.0
48
Thermal Shock Resistance, points 15 to 21
14 to 15

Alloy Composition

Aluminum (Al), % 0
92 to 94.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 63.5 to 71.5
0 to 0.4
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 7.5 to 10
0.5 to 1.0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants