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4006-O Aluminum vs. EN 1.4029 +A Steel

4006-O aluminum belongs to the aluminum alloys classification, while EN 1.4029 +A steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 4006-O aluminum and the bottom bar is EN 1.4029 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28
210
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 24
20
Fatigue Strength, MPa 110
270
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 70
440
Tensile Strength: Ultimate (UTS), MPa 110
700
Tensile Strength: Yield (Proof), MPa 100
410

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 160
750
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 620
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 220
30
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 180
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.1
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1180
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
120
Resilience: Unit (Modulus of Resilience), kJ/m3 75
440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 89
8.1
Thermal Shock Resistance, points 4.9
26

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
0
Carbon (C), % 0
0.25 to 0.32
Chromium (Cr), % 0 to 0.2
12 to 13.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 0.8
82.8 to 87.6
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0
0.15 to 0.25
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.15
0