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S35500 Stainless Steel vs. 6182 Aluminum

S35500 stainless steel belongs to the iron alloys classification, while 6182 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 S35500 stainless steel and the bottom bar is 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 14
6.8 to 13
Fatigue Strength, MPa 690 to 730
63 to 99
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Shear Strength, MPa 810 to 910
140 to 190
Tensile Strength: Ultimate (UTS), MPa 1330 to 1490
230 to 320
Tensile Strength: Yield (Proof), MPa 1200 to 1280
130 to 270

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 870
190
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 16
160
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.5
8.4
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 130
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 3610 to 4100
110 to 520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 47 to 53
23 to 32
Strength to Weight: Bending, points 34 to 37
30 to 38
Thermal Diffusivity, mm2/s 4.4
65
Thermal Shock Resistance, points 44 to 49
10 to 14

Alloy Composition

Aluminum (Al), % 0
95 to 97.9
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 15 to 16
0 to 0.25
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 73.2 to 77.7
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.2
Manganese (Mn), % 0.5 to 1.3
0.5 to 1.0
Molybdenum (Mo), % 2.5 to 3.2
0
Nickel (Ni), % 4.0 to 5.0
0
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0.070 to 0.13
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0.9 to 1.3
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants