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A206.0 Aluminum vs. ASTM Grade LC3 Steel

A206.0 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 A206.0 aluminum and the bottom bar is ASTM grade LC3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
170
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.2 to 10
27
Fatigue Strength, MPa 90 to 180
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 390 to 440
570
Tensile Strength: Yield (Proof), MPa 250 to 380
310

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.0
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.7
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 1150
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
130
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 36 to 41
20
Strength to Weight: Bending, points 39 to 43
19
Thermal Diffusivity, mm2/s 48
14
Thermal Shock Resistance, points 17 to 19
17

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
94.4 to 96.5
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0.5 to 0.8
Nickel (Ni), % 0 to 0.050
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0