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S35135 Stainless Steel vs. 1235 Aluminum

S35135 stainless steel belongs to the iron alloys classification, while 1235 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 1235 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34
28 to 34
Fatigue Strength, MPa 180
23 to 58
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 390
52 to 56
Tensile Strength: Ultimate (UTS), MPa 590
80 to 84
Tensile Strength: Yield (Proof), MPa 230
23 to 57

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 6.8
8.3
Embodied Energy, MJ/kg 94
160
Embodied Water, L/kg 220
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 130
3.8 to 24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 20
8.2 to 8.6
Strength to Weight: Bending, points 19
15 to 16
Thermal Shock Resistance, points 13
3.6 to 3.7

Alloy Composition

Aluminum (Al), % 0
99.35 to 100
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 0.65
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.050
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 0.65
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.4 to 1.0
0 to 0.060
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.1