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EN 1.4110 Stainless Steel vs. 3102 Aluminum

EN 1.4110 stainless steel belongs to the iron alloys classification, while 3102 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.4110 stainless steel and the bottom bar is 3102 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 11 to 14
23 to 28
Fatigue Strength, MPa 250 to 730
31 to 34
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 470 to 1030
58 to 65
Tensile Strength: Ultimate (UTS), MPa 770 to 1720
92 to 100
Tensile Strength: Yield (Proof), MPa 430 to 1330
28 to 34

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 790
180
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
640
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 30
230
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
56
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
190

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
9.0
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.3
8.2
Embodied Energy, MJ/kg 33
150
Embodied Water, L/kg 110
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 180
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 4550
5.8 to 8.3
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 28 to 62
9.4 to 10
Strength to Weight: Bending, points 24 to 41
17 to 18
Thermal Diffusivity, mm2/s 8.1
92
Thermal Shock Resistance, points 27 to 60
4.1 to 4.4

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.95
Carbon (C), % 0.48 to 0.6
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 81.4 to 86
0 to 0.7
Manganese (Mn), % 0 to 1.0
0.050 to 0.4
Molybdenum (Mo), % 0.5 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0 to 0.15
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants