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N08904 Stainless Steel vs. 5182 Aluminum

N08904 stainless steel belongs to the iron alloys classification, while 5182 aluminum belongs to the aluminum alloys. There are 30 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 N08904 stainless steel and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 38
1.1 to 12
Fatigue Strength, MPa 200
100 to 130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
25
Shear Strength, MPa 370
170 to 240
Tensile Strength: Ultimate (UTS), MPa 540
280 to 420
Tensile Strength: Yield (Proof), MPa 240
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 16
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
28
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
94

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 5.8
8.9
Embodied Energy, MJ/kg 79
150
Embodied Water, L/kg 200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
2.6 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120 to 950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 19
29 to 44
Strength to Weight: Bending, points 18
36 to 47
Thermal Diffusivity, mm2/s 3.1
53
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Aluminum (Al), % 0
93.2 to 95.8
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19 to 23
0 to 0.1
Copper (Cu), % 1.0 to 2.0
0 to 0.15
Iron (Fe), % 38.8 to 53
0 to 0.35
Magnesium (Mg), % 0
4.0 to 5.0
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 23 to 28
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15