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1350 Aluminum vs. S32050 Stainless Steel

1350 aluminum belongs to the aluminum alloys classification, while S32050 stainless steel belongs to the iron alloys. There are 31 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 1350 aluminum and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
220
Elastic (Young's, Tensile) Modulus, GPa 68
210
Elongation at Break, % 1.4 to 30
46
Fatigue Strength, MPa 24 to 50
340
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
81
Shear Strength, MPa 44 to 110
540
Tensile Strength: Ultimate (UTS), MPa 68 to 190
770
Tensile Strength: Yield (Proof), MPa 25 to 170
370

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 650
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
12
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61 to 62
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 200 to 210
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
6.0
Embodied Energy, MJ/kg 160
81
Embodied Water, L/kg 1200
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.77 to 54
290
Resilience: Unit (Modulus of Resilience), kJ/m3 4.4 to 200
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 7.0 to 19
27
Strength to Weight: Bending, points 14 to 27
23
Thermal Diffusivity, mm2/s 96
3.3
Thermal Shock Resistance, points 3.0 to 8.2
17

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Boron (B), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.010
22 to 24
Copper (Cu), % 0 to 0.050
0 to 0.4
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.4
43.1 to 51.8
Manganese (Mn), % 0 to 0.010
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.1
0