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5154A Aluminum vs. ASTM Grade LC3 Steel

5154A aluminum belongs to the aluminum alloys classification, while ASTM grade LC3 steel belongs to the iron 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 5154A aluminum and the bottom bar is ASTM grade LC3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58 to 100
170
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 19
27
Fatigue Strength, MPa 83 to 160
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 230 to 370
570
Tensile Strength: Yield (Proof), MPa 96 to 320
310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.0
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.7
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 1180
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 36
130
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 760
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 24 to 38
20
Strength to Weight: Bending, points 31 to 43
19
Thermal Diffusivity, mm2/s 53
14
Thermal Shock Resistance, points 10 to 16
17

Alloy Composition

Aluminum (Al), % 93.7 to 96.9
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
94.4 to 96.5
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.5
0.5 to 0.8
Nickel (Ni), % 0
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0