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6023 Aluminum vs. ASTM A514 Steel

6023 aluminum belongs to the aluminum alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 6023 aluminum and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 11
18 to 21
Fatigue Strength, MPa 120 to 130
470 to 540
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 210 to 220
490 to 520
Tensile Strength: Ultimate (UTS), MPa 360
790 to 830
Tensile Strength: Yield (Proof), MPa 300 to 310
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 400
250 to 260
Maximum Temperature: Mechanical, °C 160
400 to 440
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
37 to 51
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3 to 3.8
Density, g/cm3 2.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.3
1.6 to 1.8
Embodied Energy, MJ/kg 150
21 to 25
Embodied Water, L/kg 1180
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
1280 to 1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 35 to 36
28 to 29
Strength to Weight: Bending, points 40
24 to 25
Thermal Diffusivity, mm2/s 67
10 to 14
Thermal Shock Resistance, points 16
23 to 24