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C443.0 Aluminum vs. EN 1.0070 Steel

C443.0 aluminum belongs to the aluminum alloys classification, while EN 1.0070 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 C443.0 aluminum and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
210
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 9.0
9.1
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 130
440
Tensile Strength: Ultimate (UTS), MPa 230
740
Tensile Strength: Yield (Proof), MPa 100
350

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.7
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
56
Resilience: Unit (Modulus of Resilience), kJ/m3 70
320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 31
23
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 10
23

Alloy Composition

Aluminum (Al), % 89.6 to 95.5
0
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 0 to 2.0
99.876 to 100
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0
0 to 0.055
Silicon (Si), % 4.5 to 6.0
0
Sulfur (S), % 0
0 to 0.055
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.25
0