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A206.0 Aluminum vs. SAE-AISI 1345 Steel

A206.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1345 steel belongs to the iron alloys. 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 SAE-AISI 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.2 to 10
11 to 23
Fatigue Strength, MPa 90 to 180
230 to 390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 260
370 to 440
Tensile Strength: Ultimate (UTS), MPa 390 to 440
590 to 730
Tensile Strength: Yield (Proof), MPa 250 to 380
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 670
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
51
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
290 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 36 to 41
21 to 26
Strength to Weight: Bending, points 39 to 43
20 to 23
Thermal Diffusivity, mm2/s 48
14
Thermal Shock Resistance, points 17 to 19
19 to 23

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0.43 to 0.48
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
97.2 to 97.8
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
1.6 to 1.9
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.050
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
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