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1435 Aluminum vs. ACI-ASTM CN3M Steel

1435 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CN3M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1435 aluminum and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 4.1 to 32
34
Fatigue Strength, MPa 27 to 49
150
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 81 to 150
500
Tensile Strength: Yield (Proof), MPa 23 to 130
190

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 640
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
13
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 150
80
Embodied Water, L/kg 1190
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 8.3 to 15
17
Strength to Weight: Bending, points 15 to 23
17
Thermal Diffusivity, mm2/s 93
3.4
Thermal Shock Resistance, points 3.6 to 6.7
11

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0.3 to 0.5
42.4 to 52.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.1
0