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6016 Aluminum vs. ASTM A302 Alloy Steel

6016 aluminum belongs to the aluminum alloys classification, while ASTM A302 alloy steel belongs to the iron alloys. 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 6016 aluminum and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55 to 80
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 11 to 27
20 to 23
Fatigue Strength, MPa 68 to 89
250 to 280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 130 to 170
370 to 390
Tensile Strength: Ultimate (UTS), MPa 200 to 280
590 to 620
Tensile Strength: Yield (Proof), MPa 110 to 210
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190 to 210
39 to 51
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48 to 54
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4 to 3.0
Density, g/cm3 2.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.2
1.5 to 1.6
Embodied Energy, MJ/kg 150
20 to 21
Embodied Water, L/kg 1180
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 47
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 340
330 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 21 to 29
21 to 22
Strength to Weight: Bending, points 29 to 35
20 to 21
Thermal Diffusivity, mm2/s 77 to 86
10 to 14
Thermal Shock Resistance, points 9.1 to 12
17 to 18