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S35135 Stainless Steel vs. 3203 Aluminum

S35135 stainless steel belongs to the iron alloys classification, while 3203 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 S35135 stainless steel and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
4.5 to 29
Fatigue Strength, MPa 180
46 to 92
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 390
72 to 120
Tensile Strength: Ultimate (UTS), MPa 590
110 to 200
Tensile Strength: Yield (Proof), MPa 230
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.0
Density, g/cm3 8.1
2.8
Embodied Carbon, kg CO2/kg material 6.8
8.1
Embodied Energy, MJ/kg 94
150
Embodied Water, L/kg 220
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 130
11 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 20
11 to 20
Strength to Weight: Bending, points 19
19 to 28
Thermal Shock Resistance, points 13
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 0
96.9 to 99
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 20 to 25
0
Copper (Cu), % 0 to 0.75
0 to 0.050
Iron (Fe), % 28.3 to 45
0 to 0.7
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 4.0 to 4.8
0
Nickel (Ni), % 30 to 38
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0.6 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.4 to 1.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15