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356.0 Aluminum vs. SAE-AISI 12L14 Steel

356.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 12L14 steel belongs to the iron alloys. There are 31 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 356.0 aluminum and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55 to 75
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 2.0 to 3.8
11 to 25
Fatigue Strength, MPa 55 to 75
190 to 290
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 140 to 190
280 to 370
Tensile Strength: Ultimate (UTS), MPa 160 to 240
440 to 620
Tensile Strength: Yield (Proof), MPa 100 to 190
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 150 to 170
51
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 43
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140 to 150
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 8.2
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 250
180 to 560
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 17 to 26
15 to 22
Strength to Weight: Bending, points 25 to 33
16 to 20
Thermal Diffusivity, mm2/s 64 to 71
14
Thermal Shock Resistance, points 7.6 to 11
14 to 20

Alloy Composition

Aluminum (Al), % 90.1 to 93.3
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.6
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.35
0.85 to 1.2
Phosphorus (P), % 0
0.040 to 0.090
Silicon (Si), % 6.5 to 7.5
0
Sulfur (S), % 0
0.26 to 0.35
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0