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2095 Aluminum vs. S30601 Stainless Steel

2095 aluminum belongs to the aluminum alloys classification, while S30601 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 2095 aluminum and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 8.5
37
Fatigue Strength, MPa 200
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 410
450
Tensile Strength: Ultimate (UTS), MPa 700
660
Tensile Strength: Yield (Proof), MPa 610
300

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 210
950
Melting Completion (Liquidus), °C 660
1360
Melting Onset (Solidus), °C 540
1310
Specific Heat Capacity, J/kg-K 910
500
Thermal Expansion, µm/m-K 23
15

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 3.0
7.6
Embodied Carbon, kg CO2/kg material 8.6
3.9
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 1470
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 65
24
Strength to Weight: Bending, points 59
22
Thermal Shock Resistance, points 31
16

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 3.9 to 4.6
0 to 0.35
Iron (Fe), % 0 to 0.15
56.9 to 60.5
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.12
5.0 to 5.6
Silver (Ag), % 0.25 to 0.6
0
Sulfur (S), % 0
0 to 0.013
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0