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390.0 Aluminum vs. S35135 Stainless Steel

390.0 aluminum belongs to the aluminum alloys classification, while S35135 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 390.0 aluminum and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 1.0
34
Fatigue Strength, MPa 76 to 110
180
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 280 to 300
590
Tensile Strength: Yield (Proof), MPa 240 to 270
230

Thermal Properties

Latent Heat of Fusion, J/g 640
320
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 560
1380
Specific Heat Capacity, J/kg-K 880
470
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 7.3
6.8
Embodied Energy, MJ/kg 130
94
Embodied Water, L/kg 950
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
160
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 28 to 30
20
Strength to Weight: Bending, points 35 to 36
19
Thermal Shock Resistance, points 14 to 15
13

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
20 to 25
Copper (Cu), % 4.0 to 5.0
0 to 0.75
Iron (Fe), % 0 to 1.3
28.3 to 45
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
4.0 to 4.8
Nickel (Ni), % 0
30 to 38
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 16 to 18
0.6 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0.4 to 1.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0