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5154 Aluminum vs. S30530 Stainless Steel

5154 aluminum belongs to the aluminum alloys classification, while S30530 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 5154 aluminum and the bottom bar is S30530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 3.4 to 20
46
Fatigue Strength, MPa 100 to 160
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 140 to 210
410
Tensile Strength: Ultimate (UTS), MPa 240 to 360
590
Tensile Strength: Yield (Proof), MPa 94 to 270
230

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 190
970
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 590
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.4
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 39
210
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 540
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 25 to 37
21
Strength to Weight: Bending, points 32 to 42
20
Thermal Diffusivity, mm2/s 52
4.1
Thermal Shock Resistance, points 10 to 16
13

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.15 to 0.35
17 to 20.5
Copper (Cu), % 0 to 0.1
0.75 to 3.5
Iron (Fe), % 0 to 0.4
58.4 to 72.5
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
8.5 to 11.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.25
0.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0