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ASTM Grade LC4 Steel vs. 6162 Aluminum

ASTM grade LC4 steel belongs to the iron alloys classification, while 6162 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 ASTM grade LC4 steel and the bottom bar is 6162 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 27
6.7 to 9.1
Fatigue Strength, MPa 230
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 570
290 to 300
Tensile Strength: Yield (Proof), MPa 310
260 to 270

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 49
190
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
170

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.8
8.3
Embodied Energy, MJ/kg 24
150
Embodied Water, L/kg 54
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
19 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 260
510 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 20
29 to 30
Strength to Weight: Bending, points 19
36
Thermal Diffusivity, mm2/s 13
79
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
96.7 to 98.9
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 93.4 to 95.5
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0.5 to 0.8
0 to 0.1
Nickel (Ni), % 4.0 to 5.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.6
0.4 to 0.8
Sulfur (S), % 0 to 0.045
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15