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3105 Aluminum vs. EN 1.5502 Steel

3105 aluminum belongs to the aluminum alloys classification, while EN 1.5502 steel belongs to the iron alloys. There are 31 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 3105 aluminum and the bottom bar is EN 1.5502 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 29 to 67
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.1 to 20
12 to 20
Fatigue Strength, MPa 39 to 95
190 to 290
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 77 to 140
280 to 330
Tensile Strength: Ultimate (UTS), MPa 120 to 240
400 to 1380
Tensile Strength: Yield (Proof), MPa 46 to 220
270 to 440

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 170
52
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
41 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
200 to 520
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 12 to 24
14 to 49
Strength to Weight: Bending, points 20 to 31
15 to 35
Thermal Diffusivity, mm2/s 68
14
Thermal Shock Resistance, points 5.2 to 11
12 to 40

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0 to 0.2
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.7
98 to 99.249
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0 to 0.15
0