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1435 Aluminum vs. ACI-ASTM CK35MN Steel

1435 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CK35MN 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 CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
210
Elongation at Break, % 4.1 to 32
40
Fatigue Strength, MPa 27 to 49
270
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
81
Tensile Strength: Ultimate (UTS), MPa 81 to 150
650
Tensile Strength: Yield (Proof), MPa 23 to 130
310

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
12
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1190
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
210
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 8.3 to 15
22
Strength to Weight: Bending, points 15 to 23
21
Thermal Diffusivity, mm2/s 93
3.3
Thermal Shock Resistance, points 3.6 to 6.7
14

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0 to 0.020
0 to 0.4
Iron (Fe), % 0.3 to 0.5
43.4 to 51.8
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.1
0