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6105 Aluminum vs. ASTM Grade HE Steel

6105 aluminum belongs to the aluminum alloys classification, while ASTM grade HE steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 6105 aluminum and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 9.0 to 16
10
Fatigue Strength, MPa 95 to 130
160
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 190 to 280
670
Tensile Strength: Yield (Proof), MPa 120 to 270
310

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 600
1360
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 180 to 190
14
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.5
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
56
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 20 to 29
24
Strength to Weight: Bending, points 28 to 35
22
Thermal Diffusivity, mm2/s 72 to 79
3.6
Thermal Shock Resistance, points 8.6 to 12
14

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0 to 0.1
26 to 30
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.35
53.9 to 65.8
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.6 to 1.0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0